A signal processing device compatible with TT&C communication and navigation

Abstract

The application discloses a kind of compatible signal processing devices of measurement and control communication navigation, it is related to satellite measurement and control communication technical field.The device includes measurement and control mobile communication navigation signal access circuit, measurement and control communication navigation signal processing circuit, radio frequency transmitting signal amplification and receiving signal low noise amplification circuit, duplexer circuit, antenna circuit, power supply circuit.The device of the application measurement and control communication navigation signal processing unit and radio frequency antenna unit adopt one line pass interface, support integrated installation, also support radio frequency antenna unit external installation mode.The application adopts radio frequency unit and duplexer joint design, the isolation of transceiver channel interval is high, can guarantee the reliable reception of low-speed low-frequency spectral density measurement and control signal.The application adopts modular design, high degree of integration, the whole machine debugging workload is small, stable and reliable performance, interface is simple and flexible, simple structure.

Description

Technical Field

[0001] This invention relates to a telemetry, telemetry, and communication compatible signal processing device in a telemetry, telemetry, and communication system, belonging to the field of satellite telemetry, telemetry, and communication technology, and can be used on mobile platforms as satellite telemetry, telemetry, and communication terminals. Background Technology

[0002] For platforms requiring mobile communication support, the configuration of communication terminal services must be diverse, and the equipment must be miniaturized and easy to install, thus placing higher demands on terminal design. Especially when compatible with high spread ratio measurement and control signals, and when the phase synchronization of low-spectral-density burst signals is difficult, the terminal needs to acquire signals quickly and ensure the acquisition probability of low-spectral-density, low-speed burst signals under limited processing resources, further posing higher requirements for terminal design. Summary of the Invention

[0003] In view of this, the present invention provides a telemetry, control, communication and navigation compatible signal processing device that can be compatible with telemetry, control, mobile communication and navigation positioning signal processing, and meet the diverse service guarantee needs of mobile platforms.

[0004] The objective of this invention is achieved as follows:

[0005] A telemetry, control, communication, and navigation compatible signal processing device includes a telemetry, control, mobile communication, and navigation signal access circuit A, a telemetry, control, communication, and navigation signal processing circuit B, a radio frequency transmission signal amplification and reception signal low-noise amplification circuit C, a duplexer circuit D, an antenna circuit E, and a power supply circuit F; wherein:

[0006] The telemetry, control, mobile communication, and navigation signal access circuit A receives monitoring information sent by the data / control interface INOUT1, parses it, and distributes it to its internal digital module, as well as to the telemetry, control, mobile communication, and navigation signal processing circuit B, the duplexer circuit E, and the antenna circuit F. The telemetry, control, mobile communication, and navigation signal access circuit A also receives telemetry / control / data information sent by the data / control interface INOUT1 and distributes it to the telemetry, control, mobile communication, and navigation signal processing circuit B according to service transmission requirements. Furthermore, the telemetry, control, mobile communication, and navigation signal access circuit A is also used to transmit voice services after the terminal accesses the satellite mobile communication network.

[0007] The telemetry, communication and navigation signal processing circuit B generates modulation signals for telemetry, data, voice and short message services, and outputs them to the radio frequency transmitting signal amplification and receiving signal low noise amplification circuit C.

[0008] The radio frequency (RF) signal amplification circuit and the low-noise amplifier circuit C receive the RF signal output from the measurement, control, communication, and navigation signal processing circuit B, amplify it with high power, and then output it to the antenna circuit E through the duplexer circuit D. In addition, the RF signal amplification circuit and the low-noise amplifier circuit C receive the RF measurement, control, communication, and navigation signals output from the duplexer D, amplify them with low noise, and then output them to the measurement, control, communication, and navigation signal processing circuit B.

[0009] The measurement, control, communication and navigation signal processing circuit B receives radio frequency measurement, control, communication and navigation signals, and outputs them to the measurement, control, mobile communication and navigation signal access circuit A after frequency conversion, filtering, acquisition, despreading, demodulation and decoding.

[0010] The measurement and control mobile communication and navigation signal access circuit A processes the received measurement and control, communication and navigation information and outputs it to the data / control interface INOUT1 or the voice interface.

[0011] Furthermore, the telemetry and control mobile communication navigation signal access circuit A includes a monitoring and parsing unit 1, a service interface unit 2, and a voice interface unit 3; wherein:

[0012] The monitoring and parsing unit 1 is used to extract the monitoring information input by the data / control interface INOUT1, parse out the service access instruction set issued by the monitoring and send it to the service interface unit 2, and parse out the radio frequency control instruction set and output it to the measurement, control, communication and navigation signal processing circuit B.

[0013] The service interface unit 2 is used to receive data, telemetry information, and short message services input from the data / control interface INOUT1, and output them to the telemetry, control, communication and navigation signal processing circuit B after classification. It also integrates the remote control, data, short message and positioning information output from the telemetry, control, communication and navigation signal processing circuit B and outputs them to the data / control interface INOUT1.

[0014] The voice interface unit 3 is used for the conversion between analog and digital voice, enabling voice communication after the device is connected to the satellite mobile communication network.

[0015] Furthermore, the telemetry, control, communication, and navigation signal processing circuit B includes a monitoring and analysis unit 4, a telemetry and control signal processing unit 5, a satellite mobile communication signal processing unit 6, a navigation signal processing unit 7, and a one-line communication modulation and demodulation unit 8; wherein:

[0016] The monitoring and parsing unit 4 is used to receive the parsing radio frequency control instruction set distributed by the telemetry and control mobile communication navigation signal access circuit A, parse out the frequency instruction and output level instruction and output them to the telemetry and control signal processing unit 5, the satellite communication signal processing unit 6, the navigation signal processing unit 7, and send the frequency instruction and antenna instruction to the one-line communication modulation and demodulation unit 8.

[0017] The measurement and control signal processing unit 5 is used to process measurement and control signals, and realize telemetry signal encoding, framing, modulation, frequency conversion, filtering, amplification, and remote control signal filtering, amplification, frequency conversion, despreading, demodulation, and decoding.

[0018] The satellite communication signal processing unit 6 is used to process satellite mobile communication signals, and to perform service data encoding, framing, modulation, frequency conversion, filtering, amplification, and filtering, amplification, frequency conversion, despreading, demodulation, and decoding of received radio frequency signals.

[0019] The navigation signal processing unit 7 is used to process navigation signals and realize the encoding, framing, modulation, frequency conversion, filtering, amplification of short message services, as well as the filtering, amplification, frequency conversion, despreading, demodulation, decoding, and navigation signal processing of received radio frequency signals.

[0020] The one-line modem unit 8 is used to modulate and combine the radio frequency signals input / output from the monitoring signal, power supply, and the telemetry and control signal processing unit 5, the satellite communication signal processing unit 6, and the navigation signal processing unit 7 before outputting them.

[0021] Furthermore, the measurement and control signal processing unit 5 includes a monitoring and parsing module 501, an encoding and framing module 502, a spreading module 503, a radio frequency modulation module 504, a radio frequency demodulation module 508, a low spectral density measurement and control signal acquisition module 507, a despreading and demodulation module 506, and a decoding module 505; wherein:

[0022] The monitoring and parsing module 501 is used to receive and parse the monitoring information output by the monitoring and parsing unit 4 and forward it to the spread spectrum module 503, the radio frequency modulation module 504, the radio frequency demodulation module 508, and the low spectral density measurement and control signal acquisition module 507.

[0023] The encoding and framing module 502 is used to encode and frame the telemetry or service data output by the telemetry, control and communication navigation signal access circuit A, generate baseband telemetry and control data, and output it to the spread spectrum module 503.

[0024] The spread spectrum module 503 is used to spread the baseband measurement and control data according to the monitoring requirements, generate spread spectrum measurement and control signals, and output them to the radio frequency modulation module 504.

[0025] The radio frequency modulation module 504 is used to perform D / A conversion and radio frequency modulation on the spread spectrum measurement and control signal, and output the radio frequency measurement and control signal;

[0026] The RF demodulation module 508 is used to generate the frequency source required for RF demodulation and frequency conversion according to the received frequency command, and to receive the RF received signal output by the RF transmit signal amplification and receive signal low noise amplification circuit C, and after multiplying it with the frequency source signal, output the baseband low spectral density signal to the low spectral density signal acquisition module 507.

[0027] The low-spectrum density signal acquisition module 507 acquires low-spectrum density signals using a multi-channel parallel acquisition method, with the number of parallel channels determined according to the frequency offset parameter; after acquisition, it outputs a codeword synchronization signal and a baseband low-spectrum density signal.

[0028] The despreading and demodulation module 506 performs digital automatic gain control on the low-spectrum density signal and generates a local codeword based on the codeword synchronization signal output by the low-spectrum density signal acquisition module 507. The local codeword is multiplied with the baseband low-spectrum density signal to complete the despreading of the low-spectrum density signal. After digital down-conversion, the low-spectrum density signal is subjected to digital automatic gain control to adjust the amplitude of the despread output baseband low-speed signal to the maximum amplitude of quantization. Timing and carrier recovery processing are performed to complete the demodulation function and output the low-speed signal to the decoding module 505.

[0029] The decoding module 505 completes the decoding of the specified format according to the decoding method instructions issued by the monitoring, and outputs low-speed data to the measurement and control mobile communication navigation signal access circuit A.

[0030] Furthermore, the satellite mobile communication signal processing unit 7 includes a voice encoding / decoding module 701, a service access module 702, a baseband signal processing module 703, and a radio frequency signal processing module 704; wherein:

[0031] The voice encoding and decoding module 701 is used to compress and encode the digital voice signal output by the telemetry and control mobile communication navigation signal access circuit A, and then output it to the service access module 702 at a specified rate and format; in addition, it also receives the compressed voice signal output by the service access module 702, decodes it to recover the digital voice signal and outputs it to the telemetry and control mobile communication navigation signal access circuit A.

[0032] The service access module 702 is used to perform framing processing for voice or data services, complete rate matching between the service and the channel transmission signal, and then output the transmission service signal to the baseband signal processing module 703. In addition, the service access module 702 is also used to receive the baseband signal output by the baseband signal processing module 703, complete rate matching between the service and the channel transmission signal, perform deframing processing for voice or data services, output the voice to the voice encoding / decoding module 701, and output the data to the data / control interface INOUT1.

[0033] The baseband signal processing module 703 is used to perform channel coding, shaping filtering, and modulation processing on the transmission service signal output by the service access module 702, and output the baseband modulated signal to the radio frequency signal processing module 704; in addition, the baseband signal processing module 703 is also used to receive the baseband signal output by the radio frequency signal processing module 704, perform matched filtering, demodulation, and channel decoding processing, and then output the signal to the service access module 702.

[0034] The radio frequency signal processing module 704 is used to perform DA conversion, frequency conversion, and amplification on the baseband modulation signal, and then output it to the one-line pass modulation and demodulation unit 8. In addition, the radio frequency signal processing module 704 is also used to receive the radio frequency signal output by the one-line pass modulation and demodulation unit 8, and output it to the baseband signal processing module 703 after amplification, frequency conversion, and AD conversion.

[0035] Furthermore, the radio frequency transmission signal amplification and reception signal low-noise amplification circuit C includes a one-line modulation and demodulation unit 9, a first-stage amplification circuit unit 10, a high-power amplification circuit unit 11, a low-noise amplification circuit unit 12, and a second-stage amplification circuit unit 13; wherein:

[0036] The one-line modulation and demodulation unit 9 is used to demodulate and split the monitoring signal, power supply, and radio frequency signals output from the measurement and control signal processing unit 5, satellite communication signal processing unit 6, and navigation signal processing unit 7, and then output them to the first-stage amplifier circuit unit 10, the second-stage amplifier circuit unit 13, the duplexer circuit D, and the antenna circuit E.

[0037] The first-stage amplifier circuit unit 10 is used to amplify the radio frequency transmitted signal, with an amplification gain of 20dB;

[0038] The high-power amplifier circuit unit 11 filters and amplifies the signal output by the first-stage amplifier circuit unit 10. The amplification gain is 20dB, and the saturation power output is determined based on the link calculation results. The link margin is greater than 5dB.

[0039] The low-noise amplifier circuit unit 12 is used to amplify the RF received signal output by the duplexer circuit D with low noise. The amplification gain is 15dB, the noise figure is less than 1.2dB, and the saturation level is -10dBm.

[0040] The second-stage amplifier circuit unit 13 amplifies and filters the signal output from the low-noise amplifier circuit unit 12, with an amplification gain of 15dB and a saturation power greater than 10dBm.

[0041] Furthermore, the duplexer circuit D includes a monitoring and analysis unit 14, a receiving impedance filter unit 15, a transmitting impedance filter unit 16, and a combining / splitting unit 17; wherein:

[0042] The monitoring and parsing unit 14 is used to parse the operating frequency command and send it to the receiver-resistor filter unit 15 and the transmitter-resistor filter unit 16.

[0043] The receiver-resistance filter unit 15 is used to filter out signals outside the frequency range of the transmitted signal to ensure that the radio frequency transmitted signal can pass through;

[0044] Transmitter filter unit 16 is used to filter out signals other than the frequency of the received radio frequency signal to ensure that the received radio frequency signal can pass through;

[0045] The splitter / combiner unit 18 is used to combine the radio frequency transmit and receive signals and output them to the antenna circuit E. The transmit / receive isolation of the duplexer circuit is greater than 85dB.

[0046] Furthermore, the antenna circuit E includes a bridge unit 19 and an antenna unit 20; wherein:

[0047] Bridge unit 19 is used to carry the transmission and reception of radio frequency electrical signals, and the antenna polarization mode is selected according to the monitoring requirements;

[0048] Antenna element 20 is used to convert electrical signals into electromagnetic signals.

[0049] Compared with the prior art, the present invention has the following advantages:

[0050] 1. This invention enables signal processing for space-based telemetry, tracking, and command (TT&C), satellite mobile communication and navigation (including BeiDou short message), access to services such as voice, data, messages, and short messages, autonomous selection of working links, and communication terminals operating in the S-band radio frequency.

[0051] 2. The device of the present invention uses a one-wire interface between the measurement, control, communication and navigation signal processing unit and the radio frequency antenna unit, which supports integrated installation and also supports external installation of the radio frequency antenna unit.

[0052] 3. This invention adopts a combined design of radio frequency unit and duplexer, with high isolation between transmit and receive channels, which can ensure reliable reception of low-speed, low-spectrum-density measurement and control signals.

[0053] 4. The present invention is equipped with a broadband receiving filter, which can receive signals within the S-band passband and supports seamless switching across beams.

[0054] 5. This invention adopts a modular design, has a high degree of integration, requires less debugging work, has stable and reliable performance, simple and flexible interface, and simple structure.

[0055] In summary, this invention features high communication reliability, small size, easy installation, and simple interface. It can be used for portable stations, as well as mobile stations such as vehicle-mounted stations and ship-mounted stations. Attached Figure Description

[0056] Figure 1 This is a block diagram of the electrical principle of a telemetry, control, communication, and navigation compatible signal processing device.

[0057] Figure 2 This is a block diagram of the unit principle of a telemetry, control, communication, and navigation compatible signal processing device.

[0058] Figure 3 This is the electrical schematic diagram of the measurement and control signal processing unit 5.

[0059] Figure 4This is the electrical schematic diagram of the satellite mobile communication signal processing unit 7.

[0060] Figures 2-4 The dashed line represents the monitoring signal, and the solid line represents the data signal. Detailed Implementation

[0061] The present invention will now be described in further detail with reference to the accompanying drawings.

[0062] A telemetry, control, communication, and navigation compatible signal processing device includes a telemetry, control, mobile communication, and navigation signal access circuit A, a telemetry, control, communication, and navigation signal processing circuit B, a radio frequency transmitting signal amplification and receiving signal low-noise amplification circuit C, a duplexer circuit D, an antenna circuit E, and a power supply circuit F. The telemetry, control, mobile communication, and navigation signal access circuit A is used to receive monitoring information sent by the data / control interface INOUT1, parse it, and distribute it to its internal digital module and then to the telemetry, control, communication, and navigation signal processing circuit B, the duplexer circuit D, and the antenna circuit E. It is also used to receive telemetry / control / data information sent by the data / control interface INOUT1 and distribute it to the telemetry, control, communication, and navigation signal processing circuit B according to service transmission requirements. It can also transmit voice services after the terminal accesses the satellite mobile communication network, and process the received telemetry, control, communication, and navigation information before outputting it to the data / control interface INOUT1; the telemetry, control, communication, and navigation signal processing circuit B is used to generate modulation signals for telemetry / data / voice, short message, and other services, which are output to the RF transmit signal amplification and receive signal low-noise amplification circuit C, and receives RF telemetry, control, communication, and navigation signals, which are then processed by frequency conversion, filtering, acquisition, despreading, demodulation, and decoding before being output to the telemetry, control, mobile communication, and navigation signal access circuit A; the RF transmit signal amplification circuit and the receive signal low-noise amplification circuit C. The radio frequency (RF) signal output from the measurement, control, communication, and navigation signal processing circuit B is amplified by high power and then output to the duplexer circuit D. It also receives the received RF signal from the duplexer, filters it, and amplifies it with low noise before outputting it to the measurement, control, communication, and navigation signal processing circuit B. The measurement, control, communication, and navigation signal processing circuit B and the RF transmitting signal amplification and receiving RF signal low-noise amplification circuit C use a single-wire interface. The duplexer circuit D receives the RF transmitting signal output from the RF transmitting signal amplification circuit C and outputs it to the antenna interface. It also receives the RF signal output from the antenna interface and outputs it to the RF receiving signal low-noise amplification circuit. The antenna circuit E interfaces with the duplexer circuit, outputting and receiving RF radio electromagnetic signals.

[0063] The telemetry, control, and navigation signal access circuit A includes a monitoring and parsing unit 1, a service interface unit 2, and a voice interface unit 3. The monitoring and parsing unit is used to extract the monitoring information input from the data / control interface INOUT1, parse out the service access command set issued by the monitoring and send it to the service interface unit 2, and parse out the radio frequency control command set and output it to the telemetry, control, and navigation signal processing circuit B. The service interface unit 2 is used to receive data / telemetry information / SMS and other services input from the INOUT interface, classify them and output them to the telemetry, control, and navigation signal processing circuit B, and integrate the remote control / data / SMS and positioning information output by the telemetry, control, and navigation signal processing circuit B and output them to INOUT1. The voice interface unit 3 is used for the conversion between analog voice and digital voice, and realizes voice communication after the device is connected to the satellite mobile communication network.

[0064] The telemetry, control, communication, and navigation signal processing circuit B includes a monitoring and parsing unit 4, a telemetry and control signal processing unit 5, a satellite mobile communication signal processing unit 6, a navigation signal processing unit 7, and a one-line modulation and demodulation unit 8. The monitoring and parsing unit 5 receives the radio frequency control command set distributed by the telemetry, control, mobile communication, and navigation signal access circuit A, parses out the frequency command and output level command, and outputs them to the telemetry and control signal processing unit 5, the satellite communication signal processing unit 6, and the navigation signal processing unit 7. It also sends the frequency command and antenna command to the one-line modulation and demodulation unit 8. The telemetry and control signal processing unit 5 processes the telemetry and control signals, performing telemetry signal encoding, framing, modulation, frequency conversion, filtering, amplification, and remote control signal filtering, amplification, and conversion. The satellite communication signal processing unit 6 processes satellite mobile communication signals, including encoding, framing, modulation, frequency conversion, filtering, amplification of service data, and filtering, amplification, frequency conversion, despreading, demodulation, and decoding of received radio frequency signals. The navigation signal processing unit 7 processes navigation signals, including encoding, framing, modulation, frequency conversion, filtering, amplification of short message services, and filtering, amplification, frequency conversion, despreading, demodulation, decoding of received radio frequency signals, as well as navigation signal processing. The one-line communication modulation and demodulation unit 8 modulates and combines the radio frequency signals input / output from the monitoring signal, power supply, and telemetry signal processing unit 5, the satellite communication signal processing unit 6, and the navigation signal processing unit 7 before outputting them.

[0065] The measurement and control signal processing unit 5 includes a monitoring and parsing module 501, an encoding and framing module 502, a spread spectrum module 503, a radio frequency modulation module 504, a radio frequency demodulation module 508, a low-spectrum-density measurement and control signal acquisition module 507, a despreading and demodulation module 506, and a decoding module 505. The monitoring and parsing module 501 receives and parses the monitoring information output by the monitoring and parsing unit 4 and forwards it to the spread spectrum module 503, the radio frequency modulation module 504, the radio frequency demodulation module 508, and the low-spectrum-density measurement and control signal acquisition module 507. The encoding and framing module... Module 502 is used to encode and frame the telemetry or service data output from the telemetry, communication, and navigation signal access circuit A to generate baseband telemetry and control data, which is then output to the spread spectrum module 503. The spread spectrum module 503 is used to spread the baseband telemetry and control data according to monitoring requirements to generate a spread spectrum telemetry and control signal, which is then output to the radio frequency modulation module 504. The radio frequency modulation module 504 is used to perform D / A and radio frequency modulation on the spread spectrum telemetry and control signal, and then output the radio frequency telemetry and control signal. The radio frequency demodulation module 508 is used to generate the frequency source required for radio frequency demodulation and frequency conversion according to the received frequency command, and connects to... The RF received signal output from the RF transmitting signal amplification and receiving signal low-noise amplifier circuit C is multiplied with the frequency source signal to output a baseband low-spectrum density signal, which is then sent to the low-spectrum density signal acquisition module 507. The low-spectrum density signal acquisition unit 7 is used to acquire the low-spectrum density signal, which is implemented using a multi-channel parallel acquisition method. The number of parallel channels is determined according to the frequency offset parameter. After acquisition, the code word synchronization signal and the baseband low-spectrum density signal are output. The despreading and demodulation module 506 performs digital AGC on the low-spectrum density signal and, based on the low-spectrum density signal acquisition module 507, outputs the baseband low-spectrum density signal. The output codeword synchronization signal generates a local codeword. The local codeword is multiplied with the baseband low-frequency density signal to complete the low-frequency density signal despreading. After digital down-conversion and digital AGC of the low-frequency density signal, the amplitude of the despread output baseband low-speed signal is adjusted to the maximum amplitude of quantization. After timing, carrier recovery and other processing, the demodulation function is completed, and the low-speed signal is output to the decoding module 505. The decoding module 505 completes the decoding of the specified format according to the decoding method instruction issued by the monitoring, and outputs the low-speed data to the measurement and control mobile communication navigation signal access circuit A.

[0066] The satellite mobile communication signal processing unit 7 includes a voice encoding / decoding module 701, a service access module 702, a baseband signal processing module 703, and a radio frequency signal processing module 704. The voice encoding / decoding module 701 compresses and encodes the digital voice signal output from the telemetry, tracking, and command (TT&C) mobile communication navigation signal access circuit A, then outputs it to the service access module 702 at a specified rate and format. It also receives the compressed voice signal output from the service access module 702, decodes it, and recovers the digital voice signal before outputting it to the TT&C mobile communication navigation signal access circuit A. The service access module 702 performs framing / deframing processing on voice or data services, and after matching the rate of the service with the channel transmission signal, outputs / inputs the signal to the baseband signal processing module 703. The baseband signal processing module 703 performs channel encoding / decoding, shaping / matched filtering, modulation / demodulation, and other processing on the transmission signal, then outputs / inputs the baseband modulated signal to the radio frequency signal processing module 704. The radio frequency signal processing module 704 performs AD / DA conversion, frequency conversion, and amplification on the baseband modulated signal, then inputs / outputs it to the one-line modulation / demodulation unit 8.

[0067] The radio frequency (RF) signal amplification and low-noise amplifier circuit C includes a one-pass modulation and demodulation unit 9, a first-stage amplifier circuit unit 10, a high-power amplifier circuit unit 11, a low-noise amplifier circuit unit 12, and a second-stage amplifier circuit unit 13. The one-pass modulation and demodulation unit 9 demodulates and outputs the RF signals from the monitoring signal, power supply, and measurement and control signal processing unit 5, satellite communication signal processing unit 6, and navigation signal processing unit 7 to the first-stage amplifier circuit unit 10, the second-stage amplifier circuit unit 13, the duplexer circuit D, and the antenna circuit E. The first-stage amplifier circuit unit 10 is used to process the RF transmission signal... The signal is amplified with a gain of 20dB. The high-power amplifier circuit unit 11 filters and amplifies the signal output from the first-stage amplifier circuit unit 10, with a gain of 20dB. The saturation power output is determined based on the link calculation results, and the link margin is required to be greater than 5dB. The low-noise amplifier circuit unit 12 is used to amplify the RF received signal output from the duplexer circuit D with a gain of 15dB, a noise figure of less than 1.2dB, and a saturation level of -10dBm. The second-stage amplifier circuit unit 13 amplifies and filters the signal output from the low-noise amplifier circuit unit 12, with a gain of 15dB and a saturation power that can reach 10dBm.

[0068] The duplexer circuit D includes a monitoring and parsing unit 14, a receive-resistance filter unit 15, a transmit-resistance filter unit 16, and a splitter / combiner unit 17. The monitoring and parsing unit 14 is used to parse the operating frequency command and send it to the receive-resistance filter unit 15 and the transmit-resistance filter unit 16. The receive-resistance filter unit 15 is used to filter out signals outside the transmit signal frequency range to ensure that the RF transmit signal passes through. The transmit-resistance filter unit 16 is used to filter out signals outside the receive RF signal frequency to ensure that the receive RF signal passes through. The splitter / combiner unit 18 is used to combine the RF transmit and RF receive signals and output them to the antenna interface. The duplexer circuit design ensures that the transmit-receive isolation is greater than 85dB.

[0069] The antenna circuit E includes a bridge unit 19 and an antenna unit 20. The bridge unit 19 is used to carry radio frequency electrical signals for transmission and reception, and the antenna unit 20 is used to convert electrical signals into electromagnetic signals.

[0070] Here is a more specific example:

[0071] Reference Figures 1 to 4A telemetry, control, communication, and navigation compatible signal processing device comprises a telemetry, control, mobile communication, and navigation signal access circuit A, a telemetry, control, communication, and navigation signal processing circuit B, a radio frequency transmitting signal amplification and receiving signal low-noise amplification circuit C, a duplexer circuit D, an antenna circuit E, and a power supply circuit F. The telemetry, control, mobile communication, and navigation signal access circuit A receives monitoring information transmitted via the data / control interface INOUT1, parses it, and distributes it to its internal digital module, as well as to the telemetry, control, communication, and navigation signal processing circuit B, the duplexer circuit D, and the antenna circuit E. It also receives telemetry / control / data information transmitted via the data / control interface INOUT1 and distributes it to the telemetry, control, communication, and navigation signal processing circuit B according to service transmission requirements. It can also transmit voice services after the terminal accesses the satellite mobile communication network, and process the received telemetry, control, communication, and navigation information before outputting it to the data / control interface INOUT1; the telemetry, control, communication, and navigation signal processing circuit B is used to generate modulation signals for telemetry / data / voice, short message, and other services, which are output to the RF transmit signal amplification and receive signal low-noise amplification circuit C, and receives RF telemetry, control, communication, and navigation signals, which are then processed by frequency conversion, filtering, acquisition, despreading, demodulation, and decoding before being output to the telemetry, control, mobile communication, and navigation signal access circuit A; the RF transmit signal amplification circuit and the receive signal low-noise amplification circuit C. The radio frequency (RF) signal output from the measurement, control, communication, and navigation signal processing circuit B is amplified by high power and then output to the duplexer circuit D. It also receives the received RF signal from the duplexer, filters it, and amplifies it with low noise before outputting it to the measurement, control, communication, and navigation signal processing circuit B. The measurement, control, communication, and navigation signal processing circuit B and the RF transmitting signal amplification and receiving RF signal low-noise amplification circuit C use a single-wire interface. The duplexer circuit D receives the RF transmitting signal output from the RF transmitting signal amplification circuit C and outputs it to the antenna interface. It also receives the RF signal output from the antenna interface and outputs it to the RF receiving signal low-noise amplification circuit. The antenna circuit E interfaces with the duplexer circuit, outputting and receiving RF radio electromagnetic signals.

[0072] The telemetry, tracking, and command (TT&C) mobile communication and navigation signal access circuit A includes a monitoring and parsing unit 1, a service interface unit 2, and a voice interface unit 3. The monitoring and parsing unit extracts monitoring information input from the data / control interface INOUT1, parses out the service access command set issued by the monitoring unit and sends it to the service interface unit 2, and parses out the radio frequency control command set and outputs it to the TT&C mobile communication and navigation signal processing circuit B. The service interface unit 2 receives data / telemetry information / SMS and other services input from the INOUT interface, classifies them, and outputs them to the TT&C mobile communication and navigation signal processing circuit B. It also integrates the remote control / data / SMS and positioning information output from the TT&C mobile communication and navigation signal processing circuit B and outputs it to INOUT1. The voice interface unit 3 is used for the conversion between analog and digital voice, enabling voice communication after the device connects to the satellite mobile communication network. The TT&C mobile communication and navigation signal access circuit is fabricated using a single-chip FT4000.

[0073] The telemetry, control, communication, and navigation signal processing circuit B includes a monitoring and parsing unit 4, a telemetry and control signal processing unit 5, a satellite mobile communication signal processing unit 6, a navigation signal processing unit 7, and a one-line modulation and demodulation unit 8. The monitoring and parsing unit 5 receives the radio frequency control command set distributed by the telemetry, control, mobile communication, and navigation signal access circuit A, parses out the frequency command and output level command, and outputs them to the telemetry and control signal processing unit 5, the satellite communication signal processing unit 6, and the navigation signal processing unit 7. It also sends the frequency command and antenna command to the one-line modulation and demodulation unit 8. The telemetry and control signal processing unit 5 processes the telemetry and control signals, performing telemetry signal encoding, framing, modulation, frequency conversion, filtering, amplification, and remote control signal filtering, amplification, and conversion. The satellite communication signal processing unit 6 processes satellite mobile communication signals, including encoding, framing, modulation, frequency conversion, filtering, amplification of service data, and filtering, amplification, frequency conversion, despreading, demodulation, and decoding of received radio frequency signals. The navigation signal processing unit 7 processes navigation signals, including encoding, framing, modulation, frequency conversion, filtering, amplification of short message services, and filtering, amplification, frequency conversion, despreading, demodulation, decoding of received radio frequency signals, as well as navigation signal processing. The one-line communication modulation and demodulation unit 8 modulates and combines the radio frequency signals input / output from the monitoring signal, power supply, and telemetry signal processing unit 5, the satellite communication signal processing unit 6, and the navigation signal processing unit 7 before outputting them.

[0074] The measurement and control signal processing unit 5 includes a monitoring and parsing module 501, an encoding and framing module 502, a spread spectrum module 503, a radio frequency modulation module 504, a radio frequency demodulation module 508, a low-spectrum-density measurement and control signal acquisition module 507, a despreading and demodulation module 506, and a decoding module 505. The monitoring and parsing module 501 receives and parses the monitoring information output by the monitoring and parsing unit 4 and forwards it to the spread spectrum module 503, the radio frequency modulation module 504, the radio frequency demodulation module 508, and the low-spectrum-density measurement and control signal acquisition module 507. The encoding and framing module... Module 502 is used to encode and frame the telemetry or service data output from the telemetry, communication, and navigation signal access circuit A to generate baseband telemetry and control data, which is then output to the spread spectrum module 503. The spread spectrum module 503 is used to spread the baseband telemetry and control data according to monitoring requirements to generate a spread spectrum telemetry and control signal, which is then output to the radio frequency modulation module 504. The radio frequency modulation module 504 is used to perform D / A and radio frequency modulation on the spread spectrum telemetry and control signal, and then output the radio frequency telemetry and control signal. The radio frequency demodulation module 508 is used to generate the frequency source required for radio frequency demodulation and frequency conversion according to the received frequency command, and connects to... The RF received signal output from the RF transmitting signal amplification and receiving signal low-noise amplifier circuit C is multiplied with the frequency source signal to output a baseband low-spectrum density signal, which is then sent to the low-spectrum density signal acquisition module 507. The low-spectrum density signal acquisition unit 7 is used to acquire the low-spectrum density signal, which is implemented using a multi-channel parallel acquisition method. The number of parallel channels is determined according to the frequency offset parameter. After acquisition, the code word synchronization signal and the baseband low-spectrum density signal are output. The despreading and demodulation module 506 performs digital AGC on the low-spectrum density signal and, based on the low-spectrum density signal acquisition module 507, outputs the baseband low-spectrum density signal. The output codeword synchronization signal generates a local codeword. This local codeword is multiplied by the baseband low-frequency density signal to despread the low-frequency density signal. After digital down-conversion and digital AGC (Automatic Generative Control) of the low-frequency density signal, the amplitude of the despread output baseband low-speed signal is adjusted to the maximum quantized amplitude. Timing and carrier recovery processing are then performed to complete the demodulation function, and the low-speed signal is output to the decoding module 505. The decoding module 505 decodes the signal according to the decoding instructions issued by the monitoring unit, outputting low-speed data to the telemetry and control mobile communication navigation signal access circuit A. The telemetry and control signal processing unit is constructed using a single-chip FPGA FMQ325T.

[0075] The satellite mobile communication signal processing unit 7 includes a voice encoding / decoding module 701, a service access module 702, a baseband signal processing module 703, and a radio frequency signal processing module 704. The voice encoding / decoding module 701 compresses and encodes the digital voice signal output from the telemetry, tracking, and command (TT&C) mobile communication navigation signal access circuit A, then outputs it to the service access module 702 at a specified rate and format. It also receives the compressed voice signal output from the service access module 702, decodes it, and recovers the digital voice signal before outputting it to the TT&C mobile communication navigation signal access circuit A. The service access module 702 performs framing / deframing processing on voice or data services, and after matching the rate of the service with the channel transmission signal, outputs / inputs the signal to the baseband signal processing module 703. The baseband signal processing module 703 performs channel encoding / decoding, shaping / matched filtering, modulation / demodulation, and other processing on the transmission signal, then outputs / inputs the baseband modulated signal to the radio frequency signal processing module 704. The radio frequency signal processing module 704 performs AD / DA conversion, frequency conversion, and amplification on the baseband modulated signal, then inputs / outputs it to the one-line modulation / demodulation unit 8.

[0076] The radio frequency (RF) signal amplification and low-noise amplifier circuit C includes a one-pass modulation and demodulation unit 9, a first-stage amplifier circuit unit 10, a high-power amplifier circuit unit 11, a low-noise amplifier circuit unit 12, and a second-stage amplifier circuit unit 13. The one-pass modulation and demodulation unit 9 demodulates and outputs the RF signals from the monitoring signal, power supply, and measurement and control signal processing unit 5, satellite communication signal processing unit 6, and navigation signal processing unit 7 to the first-stage amplifier circuit unit 10, the second-stage amplifier circuit unit 13, the duplexer circuit D, and the antenna circuit E. The first-stage amplifier circuit unit 10 is used to process the RF transmission signal... The signal is amplified with a gain of 20dB. The high-power amplifier circuit unit 11 filters and amplifies the signal output from the first-stage amplifier circuit unit 10, with a gain of 20dB. The saturation power output is determined based on the link calculation results, and the link margin is required to be greater than 5dB. The low-noise amplifier circuit unit 12 is used to amplify the RF received signal output from the duplexer circuit D with a gain of 15dB, a noise figure of less than 1.2dB, and a saturation level of -10dBm. The second-stage amplifier circuit unit 13 amplifies and filters the signal output from the low-noise amplifier circuit unit 12, with a gain of 15dB and a saturation power that can reach 10dBm.

[0077] The duplexer circuit D includes a monitoring and parsing unit 14, a receive-resistance filter unit 15, a transmit-resistance filter unit 16, and a splitter / combiner unit 17. The monitoring and parsing unit 14 is used to parse the operating frequency command and send it to the receive-resistance filter unit 15 and the transmit-resistance filter unit 16. The receive-resistance filter unit 15 is used to filter out signals outside the transmit signal frequency range to ensure that the RF transmit signal passes through. The transmit-resistance filter unit 16 is used to filter out signals outside the receive RF signal frequency to ensure that the receive RF signal passes through. The splitter / combiner unit 18 is used to combine the RF transmit and RF receive signals and output them to the antenna interface. The duplexer circuit design ensures that the transmit-receive isolation is greater than 85dB.

[0078] The antenna circuit E includes a bridge unit 19 and an antenna unit 20. The bridge unit 19 is used to carry radio frequency electrical signals for transmission and reception, and the antenna unit 20 is used to convert electrical signals into electromagnetic signals.

[0079] Among them, the power supply circuit F is used to provide DC operating voltage for each stage of the circuit. It adopts a 220V power input and outputs +V1 voltage +15V and V2 voltage +5V DC operating voltage through the power supply module. The output is then sent to the measurement and control mobile communication and navigation signal access circuit A and the measurement and control communication and navigation signal processing circuit B.

[0080] The processing procedure of this device is as follows:

[0081] (1) The measurement and control communication and navigation signal access circuit receives the measurement and control / data information sent by the data / control interface INOUT1 and selects to send it to the corresponding measurement and control / communication / navigation signal processing circuit according to the service transmission requirements or the satellite service guarantee quality. If it chooses to communicate through the satellite mobile communication network, it can access voice services.

[0082] (2) The telemetry, communication and navigation signal processing circuit receives telemetry / data / voice, short message and other services and processes them through framing, encoding, filtering, modulation, spread spectrum, D / A, frequency conversion and amplification, and then outputs them to the radio frequency transmitting signal amplification and receiving signal low noise amplification circuit.

[0083] (3) Radio frequency transmitting signal amplification circuit and receiving signal low noise amplification circuit C receives the radio frequency signal output by the measurement, control, communication and navigation signal processing circuit. After being amplified by high power and filtered by the duplexer circuit, the signal is output to the antenna circuit.

[0084] (4) The radio frequency transmitting signal amplification circuit and the receiving signal low noise amplification circuit receive the radio frequency signal output by the receiving antenna through the duplexer, and after filtering and low noise amplification, output it to the measurement, control, communication and navigation signal processing circuit respectively.

[0085] (5) The measurement, control, communication and navigation signal processing circuit receives radio frequency measurement, control, communication and navigation signals, and outputs them to the measurement, control, mobile communication and navigation signal access circuit after processing such as frequency conversion, filtering, acquisition, despreading, demodulation and decoding.

[0086] (6) The telemetry, control, mobile communication and navigation signal access circuit receives telemetry, control, communication and navigation information, processes it and outputs it to the data / control interface INOUT1. When working in the satellite mobile communication network, it is also responsible for network management agent function and voice service processing function.

[0087] Step (1) includes the following steps:

[0088] (101) The device can simultaneously receive space-based telemetry, control, satellite communication and navigation (including Beidou short message) signals. The telemetry, control, communication and navigation signal access circuit can autonomously select the working mode according to the signal quality of the telemetry, control, communication and navigation signals received by the telemetry, control, communication and navigation signal processing circuit.

[0089] (102) The telemetry, control, communication and navigation signal access circuit can access voice services when accessing the satellite mobile communication network;

[0090] Step (2) includes the following steps:

[0091] (201) The measurement, control, communication and navigation signal processing circuit can control the level of the signal according to the monitoring command, and the control accuracy can reach 0.5dB;

[0092] (202) The measurement, control, communication and navigation signal processing circuit can adjust the output frequency of the S-band radio frequency transmission signal according to the monitoring instructions, and the frequency adjustment step can reach 100Hz;

[0093] (203) The measurement, control, communication and navigation signal processing circuit can generate low spectral density signals according to system requirements, and the spectral density can be reduced by more than 30dB.

[0094] Step (3) includes the following steps:

[0095] (301) The RF transmission signal amplification circuit has an amplification gain of 15dB and a saturation power output greater than 5dBW. When configuring external RF equipment and antennas, the EIRP value can be greater than 15dBW.

[0096] (302) The transmit / receive isolation of the duplexer circuit is greater than 85dB.

[0097] Step (4) includes the following steps:

[0098] (401) The noise figure of the low-noise amplifier circuit unit is less than 1.2dB;

[0099] (402) The saturation power of the two-stage amplifier circuit unit can reach 10dBm;

[0100] The main functions of this device include simultaneously receiving space-based telemetry, tracking, and command (TT&C), satellite mobile communication, and navigation signals. The TT&C, communication, and navigation signal access circuit can autonomously select its operating mode based on the signal quality of the received TT&C, communication, and navigation signals from the TT&C, communication, and navigation signal processing circuit, and transmit service information through a selected link. It also supports voice services when accessing the satellite mobile communication network. Short messages can also be transmitted using the BeiDou satellite system. Each part employs modular design technology, forming a corresponding unit with independent functions.

[0101] This device can be installed as an integrated unit or with the RF antenna and signal processing components installed separately to adapt to different mounting platforms. When installed as an integrated unit, it has a portable design with overall dimensions of 195*195*35mm and a weight of 2.6kg. When installed separately, the baseband processing section measures 75*150*35mm and weighs 1.2kg, while the RF antenna section measures ø320*80mm and weighs 3.5kg. Internally, it employs a modular structure, with each module implemented using an independent unit. The terminal has a reserved interface for power input, as well as for terminal monitoring / data and voice input / output. The device's RF input / output is wireless.

[0102] In summary, this invention realizes signal processing for space-based telemetry, tracking, and command (TT&C), satellite mobile communication, and navigation (including BeiDou short message service), supports access to services such as voice, data, messages, and short messages, and provides multiple service assurance methods for the platform to choose from. This invention employs a low-noise figure amplifier to improve the noise performance of the device and uses multi-channel parallel acquisition to achieve low-speed burst signal acquisition under high carrier frequency offset conditions. A single-line interface is used between the TT&C, communication, and navigation signal processing unit and the RF antenna unit, supporting both integrated installation and external installation of the RF antenna unit, meeting the platform's on-the-move communication requirements, and is particularly suitable as a portable station and mobile platform communication assurance terminal application.

Claims

1. A signal processing device for compatible TT&C (Tracking, Telemetry and Command) and navigation, characterized in that, It comprises a mobile communication navigation signal access circuit (A), a mobile communication navigation signal processing circuit (B), a radio frequency signal amplification and receiving signal low noise amplification circuit (C), a duplexer circuit (D), an antenna circuit (E), and a power supply circuit (F); wherein: The mobile communication navigation signal access circuit (A) receives monitoring information sent by a data / control interface (INOUT1), analyzes and distributes the monitoring information to internal digital modules and to the mobile communication navigation signal processing circuit (B), the duplexer circuit (D), and the antenna circuit (E); the mobile communication navigation signal access circuit (A) also receives mobile control / data information sent by the data / control interface (INOUT1) and distributes the information to the mobile communication navigation signal processing circuit (B) according to the business transmission requirements; in addition, the mobile communication navigation signal access circuit (A) is also used for transmitting voice services after the terminal accesses a satellite mobile communication network; The mobile communication navigation signal processing circuit (B) generates modulated signals of telemetry, data, voice, and short message services and outputs the signals to the radio frequency signal amplification and receiving signal low noise amplification circuit (C); The radio frequency signal amplification and receiving signal low noise amplification circuit (C) receives radio frequency signals output by the mobile communication navigation signal processing circuit (B), amplifies the signals with high power, and outputs the signals to the antenna circuit (E) through the duplexer circuit (D); in addition, the radio frequency signal amplification and receiving signal low noise amplification circuit (C) receives radio frequency mobile control, communication, and navigation signals output by the duplexer circuit (D), amplifies the signals with low noise, and outputs the signals to the mobile communication navigation signal processing circuit (B); The mobile communication navigation signal processing circuit (B) receives radio frequency mobile control, communication, and navigation signals, processes the signals through frequency conversion, filtering, capturing, despreading, demodulation, and decoding, and outputs the processed signals to the mobile communication navigation signal access circuit (A); The mobile communication navigation signal access circuit (A) processes received mobile control, communication, and navigation information and outputs the processed information to a data / control interface (INOUT1) or a voice interface; The mobile communication navigation signal access circuit (A) comprises a first monitoring analysis unit (1), a service interface unit (2), and a voice interface unit (3); wherein: The first monitoring analysis unit (1) is used for extracting monitoring information input by the data / control interface (INOUT1), analyzing service access instruction sets issued by the monitoring, and outputting the instruction sets to the service interface unit (2) and radio frequency control instruction sets to the mobile communication navigation signal processing circuit (B); The service interface unit (2) is used for receiving data, telemetry information, and short message services input by the data / control interface (INOUT1), outputting the services to the mobile communication navigation signal processing circuit (B) after classification, and outputting telemetry, data, short message, and positioning information output by the mobile communication navigation signal processing circuit (B) to the data / control interface (INOUT1) after integration; The voice interface unit (3) is used for converting analog voice and digital voice and realizing voice communication after the device accesses a satellite mobile communication network. The measurement and control communication navigation signal processing circuit (B) comprises a second monitoring and analyzing unit (4), a measurement and control signal processing unit (5), a satellite mobile communication signal processing unit (6), a navigation signal processing unit (7), and a first one-line communication modulation and demodulation unit (8); wherein: The second monitoring and analyzing unit (4) is configured to receive the analyzed radio frequency control instruction set distributed by the measurement and control mobile communication navigation signal access circuit (A), analyze the frequency instruction and the output level instruction, and output them to the measurement and control signal processing unit (5), the satellite communication signal processing unit (6), and the navigation signal processing unit (7), and further output the frequency instruction and the antenna instruction to the first one-line communication modulation and demodulation unit (8); The measurement and control signal processing unit (5) is configured to process the measurement and control signal, realize the coding, framing, modulation, frequency conversion, filtering, amplification of the telemetry signal, and the filtering, amplification, frequency conversion, despreading, demodulation, and decoding processing of the remote control signal; The satellite communication signal processing unit (6) is configured to process the satellite mobile communication signal, realize the coding, framing, modulation, frequency conversion, filtering, and amplification of the service data, and realize the filtering, amplification, frequency conversion, despreading, demodulation, and decoding processing of the received radio frequency signal; The navigation signal processing unit (7) is configured to process the navigation signal, realize the coding, framing, modulation, frequency conversion, filtering, and amplification of the short message service, realize the filtering, amplification, frequency conversion, despreading, demodulation, decoding, and navigation signal processing of the received radio frequency signal; The first one-line communication modulation and demodulation unit (8) is configured to modulate the monitoring signal, the power supply, and the radio frequency signals input / output by the measurement and control signal processing unit (5), the satellite communication signal processing unit (6), and the navigation signal processing unit (7), and output the modulated signals after combining.

2. The compatible TT&C communication and navigation signal processing device according to claim 1, characterized in that, The measurement and control signal processing unit (5) comprises a monitoring and analyzing module (501), a coding and framing module (502), a spread spectrum module (503), a radio frequency modulation module (504), a radio frequency demodulation module (508), a low-frequency spectrum density signal acquisition module (507), a despreading and demodulation module (506), and a decoding module (505); wherein: The monitoring and analyzing module (501) is configured to receive and analyze the monitoring information output by the second monitoring and analyzing unit (4) and forward the monitoring information to the spread spectrum module (503), the radio frequency modulation module (504), the radio frequency demodulation module (508), and the low-frequency spectrum density signal acquisition module (507); The coding and framing module (502) is configured to code and frame the telemetry or service data output by the measurement and control communication navigation signal access circuit (A), generate baseband measurement and control data, and output the baseband measurement and control data to the spread spectrum module (503); The spread spectrum module (503) is configured to spread the baseband measurement and control data according to the monitoring requirements, generate spread spectrum measurement and control signals, and output the spread spectrum measurement and control signals to the radio frequency modulation module (504); The radio frequency modulation module (504) is configured to perform D / A conversion and radio frequency modulation on the spread spectrum measurement and control signals, and output radio frequency measurement and control signals; The radio frequency demodulation module (508) is used to generate a frequency source required by radio frequency demodulation according to a receiving frequency instruction, and receives a radio frequency receiving signal output by a radio frequency transmitting signal amplification and receiving signal low-noise amplification circuit (C), and outputs a baseband low frequency spectrum density signal to the low frequency spectrum density signal acquisition module (507) after multiplication with the frequency source signal; The low frequency spectrum density signal acquisition module (507) acquires the low frequency spectrum density signal in a multi-path parallel acquisition mode, and the number of parallel paths is determined according to a frequency offset parameter; after acquisition is completed, a code word synchronization signal and the baseband low frequency spectrum density signal are output; The despreading and demodulation module (506) performs digital automatic gain control on the low frequency spectrum density signal, and generates a local code word according to the code word synchronization signal output by the low frequency spectrum density signal acquisition module (507); the local code word is multiplied with the baseband low frequency spectrum density signal to complete low frequency spectrum density signal despreading; after digital down conversion, the low frequency spectrum density signal is subjected to digital automatic gain control; the amplitude of the baseband low speed signal output by despreading is adjusted to the maximum amplitude of quantization; timing and carrier recovery processing are performed; demodulation function is completed; and a low speed signal is output to the decoding module (505); The decoding module (505) completes decoding of a specified format according to a decoding mode instruction issued by monitoring, and outputs a low speed data to the measurement and control mobile communication navigation signal access circuit (A).

3. The compatible TT&C communication and navigation signal processing device according to claim 2, characterized in that, The satellite mobile communication signal processing unit (7) comprises a voice codec module (701), a service access module (702), a baseband signal processing module (703), and a radio frequency signal processing module (704); wherein: The voice codec module (701) is used to compress and encode a digital voice signal output by the measurement and control mobile communication navigation signal access circuit (A), and then output the signal to the service access module (702) at a specified rate and format; in addition, the voice codec module (701) also receives a compressed voice signal output by the service access module (702), decodes the signal to recover a digital voice signal, and outputs the signal to the measurement and control mobile communication navigation signal access circuit (A); The service access module (702) is used to perform framing processing on voice or data services, and complete rate matching of service and channel transmission signals, and then output a transmission service signal to the baseband signal processing module (703); in addition, the service access module (702) is also used to receive a baseband signal output by the baseband signal processing module (703), complete rate matching of service and channel transmission signals, perform deframing processing on voice or data services, output voice to the voice codec module (701), and output data to a data / control interface (INOUT1); The baseband signal processing module (703) is used to perform channel coding, shaping filtering, and modulation processing on a transmission service signal output by the service access module (702), and output a baseband modulation signal to the radio frequency signal processing module (704); in addition, the baseband signal processing module (703) is also used to receive a baseband signal output by the radio frequency signal processing module (704), perform matched filtering, demodulation, and channel decoding processing, and then output a signal to the service access module (702); The radio frequency signal processing module (704) is configured to perform DA conversion, frequency conversion and amplification on the baseband modulated signal, and then output the baseband modulated signal to the first one-wire bus modulation and demodulation unit (8). In addition, the radio frequency signal processing module (704) is also configured to receive the radio frequency signal output by the first one-wire bus modulation and demodulation unit (8), perform amplification, frequency conversion and AD conversion on the radio frequency signal, and then output the radio frequency signal to the baseband signal processing module (703).

4. The compatible TT&C communication and navigation signal processing device according to claim 3, characterized in that, The radio frequency signal amplification and receiving signal low noise amplification circuit (C) comprises a second one-wire bus modulation and demodulation unit (9), a first-stage amplification circuit unit (10), a high-power amplification circuit unit (11), a low noise amplification circuit unit (12) and a second-stage amplification circuit unit (13). Wherein: The second one-wire bus modulation and demodulation unit (9) is configured to demodulate and branch the radio frequency signals output by the monitoring signal, the power supply and the signal processing units (5), (6) and (7), and then output the radio frequency signals to the first-stage amplification circuit unit (10), the second-stage amplification circuit unit (13), the diplexer circuit (D) and the antenna circuit (E); The first-stage amplification circuit unit (10) is configured to amplify the radio frequency transmitting signal, and the amplification gain is 20dB; The high-power amplification circuit unit (11) is configured to filter and amplify the signal output by the first-stage amplification circuit unit (10), and the amplification gain is 20dB. The saturation power output is determined according to the link calculation result, and the link margin is greater than 5dB; The low noise amplification circuit unit (12) is configured to amplify the radio frequency receiving signal output by the diplexer circuit (D) with low noise, and the amplification gain is 15dB. The noise coefficient is less than 1.2dB, and the saturation level is -10dBm; The second-stage amplification circuit unit (13) is configured to amplify and filter the signal output by the low noise amplification circuit unit (12), and the amplification gain is 15dB. The saturation power is greater than 10dBm.

5. The compatible TT&C communication and navigation signal processing device according to claim 4, characterized in that, The diplexer circuit (D) comprises a third monitoring analysis unit (14), a receiving filter unit (15), a transmitting filter unit (16) and a branching unit (17). Wherein: The third monitoring analysis unit (14) is configured to analyze the working frequency instruction and send the working frequency instruction to the receiving filter unit (15) and the transmitting filter unit (16); The receiving filter unit (15) is configured to filter out signals outside the frequency range of the transmitting signal, so as to ensure that the radio frequency transmitting signal passes through; The transmitting filter unit (16) is configured to filter out signals outside the frequency range of the receiving radio frequency signal, so as to ensure that the receiving radio frequency signal passes through; The branching unit (18) is configured to combine the radio frequency transmitting signal and the radio frequency receiving signal, and then output the combined signal to the antenna circuit (E). The isolation of the diplexer circuit is greater than 85dB.

6. The compatible TT&C communication and navigation signal processing device according to claim 5, characterized in that, The antenna circuit (E) comprises a bridge unit (19) and an antenna unit (20). Wherein: The bridge unit (19) is configured to carry the transmitting and receiving radio frequency signals, and select the antenna polarization mode according to the monitoring requirement; The antenna unit (20) is configured to complete the conversion between the electric signal and the electromagnetic signal.

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