Multi-channel broadband amplitude-phase control assembly based on ALC function and control method thereof

Abstract

The invention discloses a multichannel broadband amplitude-phase control assembly based on an ALC function and a control method thereof.The multichannel broadband amplitude-phase control assembly comprises a multichannel amplitude-phase unit installed on the front face of a base frame and a multichannel amplitude-phase control unit installed on the back face of the base frame, and the multichannel amplitude-phase unit comprises a first power dividing plate, an amplifying plate, a second power dividing plate and a phase-shifting amplitude-modulating plate which are sequentially connected in series; the input end of the first power dividing plate serves as the input end of the whole control assembly and is externally connected with a signal source input signal. One path of input signal is divided and amplified into eight paths of output, each path of output is provided with a numerical control attenuator and a numerical control phase shifter, 1-4GHz frequency coverage can be realized by switching through a switch, a detector and a phase discriminator are arranged in the control assembly, the real-time power and phase of the last stage of the power amplifier can be monitored, and the real-time performance of the power amplifier is improved. And amplitude and phase control is automatically carried out according to a preset amplitude and phase value of the upper computer, and meanwhile, each internal plate can be independently disassembled and tested, so that the later debugging and maintenance of workers are greatly facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of multi-channel broadband amplitude and phase control applications, and in particular to a multi-channel broadband amplitude and phase control component based on ALC function and a control method thereof. Background Art

[0002] As an important part of the beamforming network, the amplitude and phase control component can provide electronic scanning parameters for the phased array antenna. There are two main ways to achieve amplitude and phase control: active and passive. Active amplitude and phase control consists of a power divider, a phase shifter, and an attenuator. The key advantage of this network is that it can achieve continuous beam scanning, which is mainly achieved through digitally controlled phase shifters and digitally controlled attenuators.

[0003] However, the existing active amplitude-phase control technology still has the following disadvantages: 1. The digitally controlled phase shifter is affected by wavelength and size, and has a relatively narrow bandwidth in the low frequency band; 2. The digitally controlled phase shifter and the digitally controlled attenuator will respectively bring additional attenuation and additional phase shift, which may cause the phased array antenna to fail to reach the preset shaping value, and once the environment changes, the previously stored calibration data may not match, and a complex calibration process needs to be re-performed. Therefore, the present invention proposes a multi-channel broadband amplitude-phase control component based on the ALC function and a control method thereof. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a multi-channel broadband amplitude and phase control component based on the ALC function and a control method thereof. By power-dividing and amplifying one input signal into eight outputs, each output is provided with a digitally controlled attenuator and a digitally controlled phase shifter. By switching on and off, a frequency coverage of 1 to 4 GHz can be achieved. The control component has a built-in detector and a phase detector, which can monitor the real-time power and phase of the final stage of the power amplifier, and automatically perform amplitude and phase control according to the preset amplitude and phase values ​​of the host computer. At the same time, each internal panel can be independently disassembled and tested separately, which greatly facilitates the debugging and maintenance of the later staff.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: providing a multi-channel broadband amplitude and phase control component based on the ALC function, including a multi-channel amplitude and phase unit installed on the front of the base frame and a multi-channel amplitude and phase control unit on the back; The multi-channel amplitude-phase unit comprises a first power division board, an amplifier board, a second power division board and a phase-shift amplitude modulation board which are sequentially connected in series, the input end of the first power division board serves as the input end of the entire control component and is connected to an external signal source for inputting a signal, the output end of the phase-shift amplitude modulation board serves as the signal output end of the entire control component, and realizes outputting a multi-channel amplitude-phase signal after being regulated by the multi-channel amplitude-phase control unit; The multi-channel amplitude and phase control unit comprises a detection and phase discrimination board and an FPGA control board arranged in series, and the coupling output of the external coupler is connected as the input end of the detection and phase discrimination board, and the coupler is used to provide the final stage signal of the whole system to the multi-channel amplitude and phase control unit on the back of the multi-channel broadband amplitude and phase control component for monitoring; The output end of the FPGA control board is electrically connected to the phase-shift amplitude modulation board as the output end of the multi-channel amplitude-phase control unit, so as to realize the regulation and control of the amplitude-phase signal corresponding to the phase-shift amplitude modulation board.

[0006] The present invention is further configured as follows: the first power division board is a 2-way power division board, the amplification board is two and arranged in parallel, the second power division board is two 4-way power division boards and arranged in parallel, the phase-shift amplitude modulation board is a 4-way phase-shift amplitude modulation board and two are arranged in parallel, and outputs 8-way amplitude and phase signals after being regulated by a multi-channel amplitude and phase control unit.

[0007] Through the above technical solution, one signal can be passed through the first power division board, the amplifier board, the second power division board and the phase shift amplitude modulation board to output eight amplitude and phase signals.

[0008] The present invention is further configured such that the wiring between multiple boards in the multi-channel amplitude-phase unit installed on the front side of the base frame is connected by copper foil of the same width as the microstrip line, and partitions are provided above the copper foil and between each channel for signal isolation.

[0009] The above technical solution can effectively prevent crosstalk between channels from affecting the channel isolation effect.

[0010] The present invention is further configured as follows: the two amplifier boards are both burned onto the silver-plated aluminum block and powered by the through-core capacitor built into the FPGA control board, and the two amplifier boards both include a 2-stage low-noise amplifier and an amplitude balancing circuit.

[0011] Through the above technical solution, good grounding and heat dissipation performance can be guaranteed, and the control signal and the RF signal can be isolated. At the same time, the two-stage low-noise amplifier can ensure that the entire control component has a good noise coefficient and reduce the background noise after cascading with the amplifier board, while the amplitude balancing circuit can ensure the overall flatness of the module.

[0012] The present invention is further configured as follows: the two phase-shift amplitude modulation boards are both configured as 6-layer boards, and are connected to the FPGA control board inside the multi-channel amplitude and phase control unit by an FPC cable.

[0013] Through the above technical solution, the overall size of the entire assembly is greatly compressed, making the overall structure compact and reducing the connection lines between the boards, thereby facilitating later disassembly and maintenance.

[0014] The present invention is further configured as follows: the two phase-shift amplitude modulation boards each include a first 1-4 GHz radio frequency switch, a phase-shift subunit, a second 1-4 GHz radio frequency switch and a 1-4 GHz 31.75 dB digitally controlled attenuator, which are sequentially arranged in series; The phase shift subunit includes a 1-2 GHz 360° digitally controlled phase shifter and a 2-4 GHz 360° digitally controlled phase shifter arranged in parallel to control the phase signal of 1-4 GHz.

[0015] Through the above technical scheme, the first 1~4GHz RF switch and the second 1~4GHz RF switch connected at both ends of the phase shift subunit can be used to perform phase shift control on the internal 1~2GHz 360° digitally controlled phase shifter and the 2~4GHz 360° digitally controlled phase shifter, so that the first 1~4GHz RF switch and the second 1~4GHz RF switch can perform phase shift adjustment under the phase control signal output by the FPGA control board, so that they output the correct phase signal. At the same time, under the amplitude control signal output by the FPGA control board, the 1~4GHz 31.75dB digitally controlled attenuator can adjust the signal to a certain amplitude and output it.

[0016] The present invention is further configured as follows: the detection and phase discrimination board comprises a microstrip power divider, a detection and phase discrimination unit and an operational amplifier circuit connected in series in sequence; The detection and phase discrimination unit comprises a 1-4 GHz logarithmic detector and a 1-4 GHz phase discrimination device which are arranged in parallel, and performs detection and phase discrimination on multi-channel coupled signals.

[0017] Through the above technical solution, the input coupling signal is divided into two paths by the microstrip power divider for detection and phase detection and converted into voltage signals, and the real-time amplitude and phase signals are read out. After being processed by the operational amplifier circuit, they are transmitted to the FPGA control board through the wiring.

[0018] The present invention is further configured as follows: the FPGA control board includes a control circuit and a voltage stabilizing circuit and an AD conversion circuit connected thereto; The FPGA control board outputs an amplitude control signal and a phase control signal to the phase shift amplitude modulation board through an output terminal.

[0019] Through the above technical solution, the FPGA control board can use the amplitude and phase signals after FPGA detection and phase discrimination to quickly process, and can perform nanosecond-level parallel control of the digital attenuator and digital phase shifter chips, thereby transmitting the processed amplitude control signal and phase control signal to the phase shift modulation board.

[0020] On the other hand, a control method for a multi-channel broadband amplitude and phase control component based on the ALC function is provided, including a manual mode and an automatic mode: The manual mode includes the following steps: A1. First, the staff selects the manual mode through the host computer; A2. The staff uses a vector network analyzer to connect the antenna probe to perform near- and far-field scanning, and summarizes the initial amplitude and phase of each power amplifier into the database; A3. Then the host computer receives the amplitude and phase information reported after scanning; A4. Then the host computer determines whether the current amplitude and phase values ​​meet the requirements; If yes, scan each reported frequency point and end the calibration; If not, the host computer sends a phase-shift amplitude modulation instruction, and the phase-shift amplitude modulation module converts the external instruction into a TTL control frequency through the internal control unit and sends it to the front phase shifter and attenuator chip for control. Then, it rescans and reports after the change, and judges the corrected amplitude and phase value again until the amplitude and phase value requirements are met. Finally, it traverses each frequency point reported by the scan and ends the calibration. The above manual mode A2 step requires continuous manual fine-tuning of the receiving antenna probe position alignment, and requires a vector network analyzer to test data and report it to the host computer, which is time-consuming and the process is cumbersome; The automatic mode includes the following steps: B1. First, the staff selects the automatic mode through the host computer; B2. Then the host computer inputs the signal source to the first power splitter board, and passes through the amplifier board, the second power splitter board and the phase shift modulation board in sequence. At the same time, the external coupler at the end of the solid-state power amplifier inputs the coupled signal into the detection and phase discrimination board, and is divided into two paths by the microstrip power splitter board for detection and phase discrimination, and converted into voltage signals, and the real-time amplitude and phase signals are read out, and then processed by the operational amplifier circuit and transmitted to the FPGA control board through the cable; B3, then the FPGA control board will process the amplitude and phase control signals of each channel and transmit them to the phase shift modulation board; B4. After receiving the amplitude phase control signal, the phase shift modulation board performs phase shift control on the 1~2GHz 360° digital controlled phase shifter and the 2~4GHz 360° digital controlled phase shifter through the internal first 1~4GHz RF switch and the second 1~4GHz RF switch, and then controls the amplitude through the attenuator and inputs it into the host computer; B5. The host computer then selects one of the received signals as a reference, and compares the amplitude and phase values ​​of the remaining channels with those of the reference channel to determine whether they meet the requirements: If yes, then traverse each frequency point and end the calibration; If not, the host computer will send a phase-shift amplitude modulation instruction, and feed back the difference between the amplitude and phase values ​​of the remaining channels and the amplitude and phase values ​​of the reference channel to the phase-shift amplitude modulation board. The phase-shift amplitude modulation board will then automatically adjust the amplitude and phase signals according to the difference, and compare the adjusted amplitude and phase values ​​with the preset reference amplitude and phase values ​​until the requirements are met, traverse each frequency point, and end the calibration.

[0021] The above processes are all completed automatically by the cooperation of the internal software and hardware of the phase-shift amplitude modulation module, eliminating the process of manual scanning of the external platform in manual mode and the process of data interaction between the vector network analyzer and the host computer, greatly shortening the calibration time.

[0022] The beneficial effects of the present invention are as follows: The multi-channel broadband amplitude and phase control component based on ALC function and the control method thereof proposed in the present invention divide and amplify one input signal into eight outputs, each output having a digitally controlled attenuator and a digitally controlled phase shifter. By switching on and off, a frequency coverage of 1 to 4 GHz can be achieved. The control component has a built-in detector and a phase detector, which can monitor the real-time power and phase of the final stage of the power amplifier, and automatically perform amplitude and phase control according to the preset amplitude and phase values ​​of the host computer. At the same time, each internal panel can be independently disassembled and tested, which greatly facilitates the debugging and maintenance of the later staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front schematic diagram of a multi-channel broadband amplitude and phase control component based on the ALC function and a control method thereof of the present invention; Figure 2 The back side schematic diagram of the multi-channel broadband amplitude and phase control component and control method thereof based on the ALC function of the present invention; Figure 3 It is a front schematic diagram of a multi-channel broadband amplitude and phase control component based on the ALC function and a control method thereof of the present invention; Figure 4 It is a schematic diagram of the back side of a multi-channel broadband amplitude and phase control component based on the ALC function and a control method thereof of the present invention; Figure 5 The present invention is a calibration flow chart of a multi-channel broadband amplitude and phase control component and a control method thereof based on the ALC function. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0025] like Figure 1-Figure 5As shown, a multi-channel broadband amplitude and phase control component based on the ALC function includes a multi-channel amplitude and phase unit installed on the front of the base frame and a multi-channel amplitude and phase control unit on the back; The multi-channel amplitude-phase unit comprises a first power division board, an amplifier board, a second power division board and a phase-shift amplitude modulation board which are sequentially arranged in series, wherein the first power division board is a 2-way power division board, the amplifier board is two and arranged in parallel, the second power division board is two 4-way power division boards which are arranged in parallel, the phase-shift amplitude modulation board is a 4-way phase-shift amplitude modulation board which is two and arranged in parallel, and outputs 8-way amplitude-phase signals after being regulated by the multi-channel amplitude-phase control unit, and can output 8-way amplitude-phase signals after passing 1-way signal through the first power division board, the amplifier board, the second power division board and the phase-shift amplitude modulation board. signal, the input end of the first power splitter board is used as the input end of the entire control component, and the external signal source inputs the signal, the output end of the phase shift amplitude modulation board is used as the signal output end of the entire control component, and the multi-channel amplitude phase signal after the multi-channel amplitude phase control unit is output, and the wiring between the multiple boards in the multi-channel amplitude phase unit installed on the front of the base frame is connected by copper foil with the same width as the microstrip line, and there are partitions above the copper foil and between each channel for signal isolation, which can effectively prevent crosstalk between each channel and affect the channel isolation effect; The two amplifier boards are both burned on the silver-plated aluminum block and powered by the through-core capacitor built into the FPGA control board. The two amplifier boards include a two-level low-noise amplifier and an amplitude balancing circuit, which can ensure good grounding and heat dissipation performance, and isolate the control signal from the RF signal. At the same time, the two-level low-noise amplifier can ensure that the entire control component has a good noise coefficient and reduce the background noise after cascading with the amplifier board, while the amplitude balancing circuit can ensure the overall flatness of the module; The two phase-shifting amplitude modulation boards are both 6-layer boards, and are connected to the FPGA control board inside the multi-channel amplitude and phase control unit with an FPC cable, which greatly compresses the overall size of the entire component, making the overall structure compact and reducing the connection lines between the boards, so as to facilitate later disassembly and maintenance. The two phase-shifting amplitude modulation boards include a first 1~4GHz RF switch, a phase shift subunit, a second 1~4GHz RF switch and a 1~4GHz 31.75dB digitally controlled attenuator, which are sequentially arranged in series. The phase shift subunit includes a 1~2GHz 360° digitally controlled phase shifter and a 2~4GHz 360° digitally controlled phase shifter arranged in parallel, so as to regulate the phase signal of 1~4GHz. The first 1~4GHz RF switch and the second 1~4GHz RF switch connected at both ends of the phase shift subunit can be used to perform phase shift regulation on the internal 1~2GHz 360° digitally controlled phase shifter and the 2~4GHz 360° digitally controlled phase shifter. When the host computer switches to the 1~2GHz frequency band, the FPGA control board controls the switch inside the module to switch to the 1~2GHz phase shifter; when the host computer switches to the 2~4GHz frequency band, the FPGA control board controls the switch inside the module to switch to the 2~4GHz phase shifter, so that it outputs a 1~4GHz broadband phase signal. At the same time, under the amplitude control signal output by the FPGA control board, the 1~4GHz 31.75dB digitally controlled attenuator can adjust the signal to a certain amplitude and output; The multi-channel amplitude-phase control unit comprises a detection phase discrimination board and an FPGA control board which are arranged in series, the coupling output of the external coupler is connected as the input end of the detection phase discrimination board, the coupler is used to provide the final stage signal of the whole system to the multi-channel amplitude-phase control unit on the back of the multi-channel broadband amplitude-phase control component for monitoring, and the output end of the FPGA control board is electrically connected to the phase-shift amplitude modulation board as the output end of the multi-channel amplitude-phase control unit, so as to realize the regulation and control of the amplitude-phase signal corresponding to the phase-shift amplitude modulation board; The detection and phase discrimination board includes a microstrip power divider, a detection and phase discrimination unit and an operational amplifier circuit connected in series in sequence. The detection and phase discrimination unit includes a 1-4 GHz logarithmic detector and a 1-4 GHz phase discrimination unit arranged in parallel, and performs detection and phase discrimination on multi-channel coupled signals, so that the input coupled signal is divided into two channels through the microstrip power divider, respectively detected and phase-discriminated to be converted into voltage signals, and real-time amplitude and phase signals are read out, and then processed by the operational amplifier circuit and transmitted to the FPGA control board through the wiring; The FPGA control board includes a control circuit and a voltage stabilizing circuit and an AD conversion circuit connected thereto. The FPGA control board outputs an amplitude control signal and a phase control signal to the phase shift modulation board through an output end, respectively, so that the FPGA control board uses the amplitude and phase signals after FPGA detection and phase discrimination to perform rapid processing, and can perform nanosecond-level parallel control of the digital attenuator and digital phase shifter chips, thereby transmitting the processed amplitude control signal and phase control signal to the phase shift modulation board.

[0026] like Figure 1-Figure 5 As shown in FIG. 1 , the control method of the multi-channel broadband amplitude and phase control component based on the ALC function includes a manual mode and an automatic mode: The manual mode includes the following steps: A1. First, the staff selects the manual mode through the host computer; A2. The staff uses a vector network analyzer to connect the antenna probe to perform near- and far-field scanning, and summarizes the initial amplitude and phase of each power amplifier into the database; A3. Then the host computer receives the amplitude and phase information reported after scanning; A4. Then the host computer determines whether the current amplitude and phase values ​​meet the requirements: If yes, scan each reported frequency point and end the calibration; If not, the host computer sends a phase-shift amplitude modulation instruction, and the phase-shift amplitude modulation module converts the external instruction into a TTL control frequency through the internal control unit and sends it to the front phase shifter and attenuator chip for control. Then it is scanned and reported again after the change, and the corrected amplitude and phase values ​​are judged again until the amplitude and phase value requirements are met. Finally, each frequency point reported by the scan is traversed and the calibration is ended.

[0027] The above manual mode A2 step requires continuous manual fine-tuning of the receiving antenna probe position alignment, and requires a vector network analyzer to test data and report it to the host computer, which is time-consuming and the process is cumbersome.

[0028] The automatic mode includes the following steps: B1. First, the staff selects the automatic mode through the host computer; B2. Then the host computer inputs the signal source to the first power splitter board, and passes through the amplifier board, the second power splitter board and the phase shift modulation board in sequence. At the same time, the external coupler at the end of the solid-state power amplifier inputs the coupled signal into the detection and phase discrimination board, and is divided into two paths by the microstrip power splitter board for detection and phase discrimination, and converted into voltage signals, and the real-time amplitude and phase signals are read out, and then processed by the operational amplifier circuit and transmitted to the FPGA control board through the cable; B3, then the FPGA control board will process the amplitude and phase control signals of each channel and transmit them to the phase shift modulation board; B4. After receiving the amplitude phase control signal, the phase shift modulation board performs phase shift control on the 1~2GHz 360° digital controlled phase shifter and the 2~4GHz 360° digital controlled phase shifter through the internal first 1~4GHz RF switch and the second 1~4GHz RF switch, and then controls the amplitude through the attenuator and inputs it into the host computer; B5. The host computer then selects one of the received signals as a reference, and compares the amplitude and phase values ​​of the remaining channels with those of the reference channel to determine whether they meet the requirements: If yes, then traverse each frequency point and end the calibration; If not, the host computer will send a phase-shift amplitude modulation instruction, and feed back the difference between the amplitude and phase values ​​of the remaining channels and the amplitude and phase values ​​of the reference channel to the phase-shift amplitude modulation board. The phase-shift amplitude modulation board will then automatically adjust the amplitude and phase signals according to the difference, and compare the adjusted amplitude and phase values ​​with the preset reference amplitude and phase values ​​until the requirements are met, traverse each frequency point, and end the calibration.

[0029] The above processes are all completed automatically by the cooperation of the internal software and hardware of the phase-shift amplitude modulation module, eliminating the process of manual scanning of the external platform in manual mode and the process of data interaction between the vector network analyzer and the host computer, greatly shortening the calibration time.

[0030] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-channel broadband amplitude and phase control component based on ALC function, characterized by: It includes a multi-channel amplitude and phase unit installed on the front of the base frame and a multi-channel amplitude and phase control unit on the back; The multi-channel amplitude-phase unit comprises a first power division board, an amplifier board, a second power division board and a phase-shift amplitude modulation board which are sequentially connected in series, the input end of the first power division board serves as the input end of the entire control component and is connected to an external signal source for inputting a signal, the output end of the phase-shift amplitude modulation board serves as the signal output end of the entire control component, and realizes outputting a multi-channel amplitude-phase signal after being regulated by the multi-channel amplitude-phase control unit; The multi-channel amplitude and phase control unit comprises a detection and phase discrimination board and an FPGA control board arranged in series, and the coupling output of the external coupler is connected as the input end of the detection and phase discrimination board, and the coupler is used to provide the final stage signal of the whole system to the multi-channel amplitude and phase control unit on the back of the multi-channel broadband amplitude and phase control component for monitoring; The output end of the FPGA control board is electrically connected to the phase-shift amplitude modulation board as the output end of the multi-channel amplitude-phase control unit, so as to realize the regulation and control of the amplitude-phase signal corresponding to the phase-shift amplitude modulation board.

2. The multi-channel broadband amplitude and phase control component based on the ALC function according to claim 1, characterized in that: The first power division board is a 2-way power division board, the amplification board is two and arranged in parallel, the second power division board is two 4-way power division boards and arranged in parallel, the phase-shift amplitude modulation board is a 4-way phase-shift amplitude modulation board and two are arranged in parallel, and outputs 8-way amplitude and phase signals after being regulated by a multi-channel amplitude and phase control unit.

3. The multi-channel broadband amplitude and phase control component based on the ALC function according to claim 2, characterized in that: The wiring between multiple boards in the multi-channel amplitude and phase unit installed on the front of the base frame is connected by copper foil with the same width as the microstrip line, and there are partitions above the copper foil and between each channel for signal isolation.

4. The multi-channel broadband amplitude and phase control component based on ALC function according to claim 2, characterized in that: The two amplifier boards are both burned on the silver-plated aluminum block and powered by the through-core capacitor built into the FPGA control board. The two amplifier boards include a two-stage low-noise amplifier and an amplitude balancing circuit.

5. The multi-channel broadband amplitude and phase control component based on ALC function according to claim 2, characterized in that: The two phase-shift amplitude modulation boards are both 6-layer boards, and are connected to the FPGA control board inside the multi-channel amplitude and phase control unit by FPC cables.

6. The multi-channel broadband amplitude and phase control component based on the ALC function according to claim 5, characterized in that: The two phase-shift amplitude modulation boards each include a first 1-4 GHz radio frequency switch, a phase-shift subunit, a second 1-4 GHz radio frequency switch, and a 1-4 GHz 31.75 dB digitally controlled attenuator, which are sequentially arranged in series. The phase shift subunit includes a 1-2 GHz 360° digitally controlled phase shifter and a 2-4 GHz 360° digitally controlled phase shifter arranged in parallel to control the phase shift of the phase signal of 1-4 GHz.

7. The multi-channel broadband amplitude and phase control component based on ALC function according to claim 1, characterized in that: The detection and phase discrimination board comprises a microstrip power divider, a detection and phase discrimination unit and an operational amplifier circuit which are connected in series in sequence; The detection and phase discrimination unit comprises a 1-4 GHz logarithmic detector and a 1-4 GHz phase discrimination device which are arranged in parallel, and performs detection and phase discrimination on multi-channel coupled signals.

8. The multi-channel broadband amplitude and phase control component based on ALC function according to claim 1, characterized in that: The FPGA control board includes a control circuit and a voltage stabilizing circuit and an AD conversion circuit connected thereto; The FPGA control board outputs an amplitude control signal and a phase control signal to the phase shift amplitude modulation board through an output terminal.

9. A control method for a multi-channel broadband amplitude and phase control component based on an ALC function according to any one of claims 1 to 8, characterized in that: Including manual mode and automatic mode: The manual mode includes the following steps: A1. First, the staff selects the manual mode through the host computer; A2. The staff uses a vector network analyzer to connect the antenna probe to perform near- and far-field scanning, and summarizes the initial amplitude and phase of each power amplifier into the database; A3. Then the host computer receives the amplitude and phase information reported after scanning; A4. Then the host computer determines whether the current amplitude and phase values ​​meet the requirements: If yes, scan each reported frequency point and end the calibration; If not, the host computer sends a phase-shift amplitude modulation instruction, and the phase-shift amplitude modulation module converts the external instruction into a TTL control frequency through the internal control unit and sends it to the front phase shifter and attenuator chip for control. Then, it rescans and reports after the change, and judges the corrected amplitude and phase value again until the amplitude and phase value requirements are met. Finally, it traverses each frequency point reported by the scan and ends the calibration. The above manual mode A2 step requires continuous manual fine-tuning of the receiving antenna probe position alignment, and the vector network analyzer is required to test the data and report it to the host computer; The automatic mode includes the following steps: B1. First, the staff selects the automatic mode through the host computer; B2. Then the host computer inputs the signal source to the first power splitter board, passes through the amplifier board, the second power splitter board and the phase shift modulation board in sequence, and at the same time inputs the coupled signal into the detection and phase discrimination board through the coupler externally connected to the end of the solid-state power amplifier. After the microstrip power splitter board, it is divided into two paths for detection and phase discrimination respectively, and converted into voltage signals, and the real-time amplitude and phase signals are read out, and then processed by the operational amplifier circuit and transmitted to the FPGA control board through the cable; B3, then the FPGA control board will process the amplitude and phase control signals of each channel and transmit them to the phase shift modulation board; B4. After receiving the amplitude phase control signal, the phase shift modulation board performs phase shift control on the 1~2GHz 360° digital controlled phase shifter and the 2~4GHz 360° digital controlled phase shifter through the internal first 1~4GHz RF switch and the second 1~4GHz RF switch, and then controls the amplitude through the attenuator and inputs it into the host computer; B5. The host computer then selects one of the received signals as a reference, and compares the amplitude and phase values ​​of the remaining channels with those of the reference channel to determine whether they meet the requirements: If yes, then traverse each frequency point and end the calibration; If not, the host computer will send a phase-shift amplitude modulation instruction, and feed back the difference between the amplitude and phase values ​​of the remaining channels and the amplitude and phase values ​​of the reference channel to the phase-shift amplitude modulation board. The phase-shift amplitude modulation board will then automatically adjust the amplitude and phase signals according to the difference, and compare the adjusted amplitude and phase values ​​with the preset reference amplitude and phase values ​​until the requirements are met, traverse each frequency point, and end the calibration.

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