Control system and method of integrated radio frequency test equipment

Abstract

The invention discloses a control system of integrated radio frequency test equipment. The control system comprises a comprehensive scheduling control platform, a radar special test control unit, a satellite navigation special test control unit, a data transmission test special test control unit, a first interface control panel, a second interface control panel and a third interface control panel, the comprehensive dispatching control platform is used for operation control of man-machine interaction and input and output of control signals; the radar special measurement control unit is used for receiving a transmitting signal of the radar and generating a radar target echo signal of a radio frequency band based on the transmitting signal of the radar; the satellite navigation special test control unit is used for simulating a satellite navigation signal and forwarding the satellite navigation signal to the satellite navigation receiver in real time; and the data transmission test special test control unit is used for converting the radio frequency signal into an intermediate frequency signal and converting the transmitted instruction signal into the intermediate frequency signal. The flexible and extensible control system and method for loose coupling between the modules are provided, and the testing efficiency and the stability of the testing system are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of aircraft testing, and particularly to a control system and method for an integrated radio frequency testing device. Background Art

[0002] An integrated radio frequency testing device is a signal target simulator that meets the requirements of miniaturization, integration, and mobility of an integrated test system and simultaneously satisfies the testing requirements of an integrated radio frequency aircraft. It is an independent dedicated testing device that integrates various functional units such as radar seeker heads, navigation receivers, and pod data links on the aircraft. Due to the characteristics of high integration, miniaturization, and multiple functions of the dedicated testing device, the current control system of the radio frequency testing device cannot well adapt to various modes such as overall joint testing of the aircraft system, field testing, and semi-physical simulation of the aircraft system, and the testing efficiency and stability of the testing system are relatively low. Therefore, a set of flexible and modular control system and method are designed to achieve its complex functions. Summary of the Invention

[0003] Based on the above, the present invention provides a control system and method for an integrated radio frequency testing device, providing a flexible, scalable, and loosely coupled control system and method between modules, with the ability to adapt to flexible configuration and change of an integrated test system, and improving the testing efficiency of the radio frequency testing device and the stability of the testing system.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] In a first aspect of the present invention, a control system for an integrated radio frequency testing device is provided, including: an integrated scheduling control platform, a radar dedicated testing control unit, a satellite navigation dedicated testing control unit, a data transmission testing dedicated testing control unit, and a first interface control board, a second interface control board, and a third interface control board;

[0006] The integrated scheduling control platform is communicatively connected to the radar dedicated testing control unit, the satellite navigation dedicated testing control unit, and the data transmission testing dedicated testing control unit through a PXIe bus, and is used for operation control of human-computer interaction and input and output of control signals;

[0007] The radar dedicated testing control unit is used for receiving the radar's transmitted signal and generating a radar target echo signal in the radio frequency band based on the radar's transmitted signal;

[0008] The satellite navigation dedicated testing control unit is used for simulating satellite navigation signals and real-time forwarding of satellite navigation signals to a satellite navigation receiver;

[0009] The data transmission testing dedicated testing control unit is used for converting radio frequency signals into intermediate frequency signals and converting transmitted command signals into intermediate frequency signals;

[0010] The first interface control board is used for communication between the radar dedicated measurement control unit and the radar dedicated measurement RF component. The second interface control board is used for communication between the satellite navigation dedicated measurement control unit and the satellite navigation dedicated measurement RF component. The third interface control board is used for communication between the data transmission test dedicated measurement control unit and the data transmission test dedicated measurement RF component.

[0011] As a preferred solution for the control system of an integrated RF test device, it further includes a programmable computer, which is communicatively connected to the integrated scheduling control platform and is used to control the integrated scheduling control platform;

[0012] The integrated scheduling control platform includes a zero-slot controller, a PXIe backplane, a keyboard, and a display screen;

[0013] The zero-slot controller is connected to the PXIe backplane through the zero-slot and is used to run the human-computer interaction software to realize the scheduling of the software of the programmable computer by the integrated scheduling control platform, the issuance of control commands, and communication with the programmable computer;

[0014] The keyboard and the display screen are connected to the zero-slot controller and are installed on the chassis panel for displaying and receiving external inputs and operations;

[0015] The PXIe backplane is embedded in the chassis and is used to transmit control commands and data. Other control units and components are all plugged into the backplane.

[0016] As a preferred solution for the control system of an integrated RF test device, the zero-slot controller runs a PXIe driver program and application programs. The application programs include integrated scheduling control software, radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, and data transmission dedicated measurement display and control software.

[0017] As a preferred solution for the control system of an integrated RF test device, the PXIe driver program is used to provide the application programs with operations such as opening the data channels on the PXIe backplane, initializing read and write buffers, and reading and writing data;

[0018] The integrated scheduling control software is used to control the switching, scheduling, and display of the radar dedicated measurement display and control software, the satellite navigation dedicated measurement display and control software, and the data transmission dedicated measurement display and control software;

[0019] The radar dedicated measurement display and control software is used to issue control commands to the radar dedicated measurement control unit according to user operations and receive and display the status information returned by the radar dedicated measurement control unit;

[0020] The satellite navigation dedicated measurement display and control software is used to issue control commands to the satellite navigation dedicated measurement control unit according to user operations and receive and display the status information returned by the satellite navigation dedicated measurement control unit;

[0021] The dedicated data transmission measurement display and control software is used to send control commands to the dedicated data transmission measurement control unit according to user operations, and receive and display the collected image target information.

[0022] As an optimal solution for the control system of an integrated radio frequency test device, the first interface control board, the second interface control board, and the third interface control board are respectively provided with a fourth FPGA chip, a fifth FPGA chip, and a sixth FPGA chip. The fourth FPGA chip, the fifth FPGA chip, and the sixth FPGA chip are respectively equipped with a fourth embedded FPGA software, a fifth embedded FPGA software, and a sixth embedded FPGA software, which are used to transmit level signals to the radar dedicated measurement radio frequency component, the satellite navigation radio frequency component, and the dedicated measurement radio frequency component through their respective control lines to achieve control.

[0023] As an optimal solution for the control system of an integrated radio frequency test device, the radar dedicated measurement control unit includes:

[0024] A real-time control component for the real-time control of the radar dedicated measurement radio frequency component. The real-time control component includes a DSP chip and a first FPGA chip;

[0025] The DSP chip is equipped with the real-time control software; the real-time control software is used to receive the control commands sent from the integrated scheduling control platform, and through parsing and calculation, send data and addresses to the fourth FPGA chip in the first interface control board of the radio frequency signal processing component;

[0026] The first FPGA chip is equipped with PXIe control software and a first embedded FPGA software; the PXIe control software is used to transparently transmit the control commands from the integrated scheduling control platform on the PXIe backplane to the real-time control software, and send the data sent by the real-time control software to the corresponding pins on the backplane according to the addresses to achieve the control of the radar dedicated measurement radio frequency component; the first embedded FPGA software is used to transmit control signals to the radar dedicated measurement radio frequency component through the control line;

[0027] A monitoring component for leading out synchronous output and modulation output video signals and monitoring the input and output signals.

[0028] As an optimal solution for the control system of an integrated radio frequency test device, the satellite navigation dedicated measurement control unit includes a second FPGA chip and a navigation baseband signal processing card. The second FPGA chip is equipped with a second embedded FPGA software, and the second embedded FPGA software is used to transmit control signals to the satellite navigation dedicated measurement radio frequency component through the control line;

[0029] The navigation baseband signal processing card is used to generate a spreading code, generate a baseband digital signal with delay and Doppler characteristics, and perform digital-to-analog conversion on the baseband digital signal to generate an intermediate-frequency signal corresponding to the baseband digital signal.

[0030] As an optimal solution for the control system of an integrated radio frequency test device, the data transmission test dedicated measurement control unit includes a third FPGA chip and a data transmission baseband signal processing card. The third embedded FPGA software is used to transmit control signals to the data transmission dedicated measurement radio frequency component through a control line.

[0031] The data transmission baseband signal processing card is used to receive a first intermediate-frequency signal, demodulate and decode the first intermediate-frequency signal, and is also used to encode, modulate, and perform digital-to-analog conversion on the transmitted command signal to obtain a second intermediate-frequency signal.

[0032] In the second aspect of the present invention, a control method for an integrated radio frequency test device is provided. Based on the control system of the integrated radio frequency test device, it includes a control method under a program control mode. The control method under the program control mode includes the following steps:

[0033] The program control computer is connected to the Ethernet port of the integrated radio frequency test device through a network cable, and sends a remote control command to the control system of the integrated radio frequency test device.

[0034] After receiving the program control command, the integrated scheduling control software opens the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software according to the command content and displays them at the top of the interface.

[0035] After receiving the remote control command through the program control interface, the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software performs parsing and processing, updates the control parameter values on the software interface, and communicates with the respective radar dedicated measurement control unit, satellite navigation dedicated measurement control unit, and data transmission test dedicated measurement control unit through the PXIe driver.

[0036] In the radar dedicated measurement control unit, after receiving and parsing the command, the first embedded FPGA software sends data to the radar dedicated measurement radio frequency component through the interface control board according to the address of the custom bus.

[0037] In the satellite navigation dedicated measurement control unit, after receiving and parsing the command, the second embedded FPGA software sends data to the satellite navigation dedicated measurement radio frequency component through the interface control board according to the address of the custom bus.

[0038] In the dedicated data transmission measurement control unit, after the third embedded FPGA software receives and parses the command, it sends data to the dedicated data transmission measurement radio frequency component through the interface control board according to the address of the custom bus.

[0039] In the fourth embedded FPGA software in the first interface control board, the level signal is transmitted to the dedicated radar measurement radio frequency component through the control line.

[0040] In the fifth embedded FPGA software in the second interface control board, the level signal is transmitted to the satellite navigation radio frequency component through the control line.

[0041] In the sixth embedded FPGA software in the third interface control board, the level signal is transmitted to the dedicated data transmission measurement radio frequency component through the control line.

[0042] In the third aspect of the present invention, a control method for an integrated radio frequency test device is provided. Based on the control system of the integrated radio frequency test device, it includes a control method in the local control mode. The control method in the local control mode includes the following steps:

[0043] After the comprehensive scheduling control software receives a mouse click or keyboard button input, it is triggered according to the click event or keyboard event, and the dedicated radar measurement display control software, satellite navigation dedicated measurement display control software, or dedicated data transmission measurement display control software is opened and displayed at the top of the interface. At this time, the user can only operate the software displayed at the top through the keyboard and mouse.

[0044] After the comprehensive scheduling control software receives the operation of the user's keyboard and mouse, the dedicated radar measurement display control software, satellite navigation dedicated measurement display control software, or dedicated data transmission measurement display control software is opened and displayed at the top of the interface according to the command content.

[0045] After the dedicated radar measurement display control software, satellite navigation dedicated measurement display control software, or dedicated data transmission measurement display control software receives a remote control command through the program control interface, it parses and processes it, updates the control parameter value in the software interface, and communicates with the respective dedicated radar measurement control unit, satellite navigation dedicated measurement control unit, and dedicated data transmission test control unit through the PXIe driver.

[0046] In the dedicated radar measurement control unit, after the first embedded FPGA software receives and parses the command, it sends data to the dedicated radar measurement radio frequency component through the interface control board according to the address of the custom bus.

[0047] In the satellite navigation dedicated measurement control unit, after the second embedded FPGA software receives and parses the command, it sends data to the satellite navigation dedicated measurement radio frequency component through the interface control board according to the address of the custom bus.

[0048] In the data transmission special test control unit, after the third embedded FPGA software receives and parses the command, it sends data to the data transmission special test radio frequency component through the interface control board according to the address of the custom bus.

[0049] The fourth embedded FPGA software in the first interface control board transmits the level signal to the radar special test radio frequency component through the control line.

[0050] The fifth embedded FPGA software in the second interface control board transmits the level signal to the satellite navigation radio frequency component through the control line.

[0051] The sixth embedded FPGA software in the third interface control board transmits the level signal to the data transmission special test radio frequency component through the control line.

[0052] As a preferred solution for the control system of an integrated radio frequency test device,

[0053] The beneficial effects of the present invention are as follows:

[0054] The present invention realizes the top - display monitoring of data transmission image information through four independent application programs under the integrated scheduling control platform: the integrated scheduling control software, the radar special test display and control software, the satellite navigation special test display and control software, and the data transmission special test display and control software. The network ports of each application program are independent. The radar special test component and the satellite navigation special test component can simultaneously complete parameter setting and output signals according to the programmed command, and can truly achieve the effect of the three special test components working simultaneously. According to the different usage requirements of the object under test, the present invention can randomly combine the test modules, with high flexibility, improving the test efficiency of the radio frequency device. At the same time, each application program in the present invention is independent of each other, without crosstalk, with a low coupling degree, improving the testability, stability and reliability of the radio frequency device. Description of the Drawings

[0055] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments of the present invention. Obviously, the following - described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present invention and these drawings.

[0056] Figure 1 It is a schematic diagram of the control system structure provided by the embodiments of the present invention;

[0057] Figure 2 It is a schematic diagram of the control relationship provided by the embodiments of the present invention;

[0058] Figure 3It is a flowchart of a control method under the program control mode provided by an embodiment of the present invention;

[0059] Figure 4 It is a flowchart of a control method under the local control mode provided by an embodiment of the present invention.

[0060] Among them, Figure 3 and Figure 4 the control units in include a radar special measurement control unit, a satellite navigation special measurement control unit, and a data transmission special measurement control unit, and the embedded control software includes a first embedded FPGA software, a second embedded FPGA software, and a third embedded FPGA software;

[0061] Figure 3 and Figure 4 the interface control boards in include a first interface control board, a second interface control board, and a third interface control board, and the FPGA programs include a fourth embedded FPGA software, a fifth embedded FPGA software, and a sixth embedded FPGA software. Specific embodiments

[0062] The following further describes the present invention in detail with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. Additionally, it should be noted that for the convenience of description, only parts related to the present invention are shown in the drawings, rather than all structures.

[0063] A control system of an integrated radio frequency test device provided by an embodiment of the present invention is carried in the integrated radio frequency test device to achieve comprehensive scheduling and control of radar special measurement components, satellite navigation special measurement components, and data transmission special measurement components, enabling them to simulate radar signals, satellite navigation signals, and data transmission information, and completing the testing and verification of the functional and performance indicators of radar systems, satellite navigation systems, and data transmission systems.

[0064] As Figure 1 and Figure 2 shown, the control system of the integrated radio frequency test device includes an integrated scheduling control platform, a radar special measurement control unit, a satellite navigation special measurement control unit, a data transmission special measurement control unit, and a first interface control board, a second interface control board, and a third interface control board.

[0065] The integrated dispatching and control platform is communicatively connected to the radar special measurement control unit, the satellite navigation special measurement control unit, and the data transmission test special measurement control unit through the PXIe bus. It is used for the operation control of human-machine interaction, the input and output of control signals, and the dispatching control of the radar special measurement control unit, the satellite navigation special measurement control unit, and the data transmission test special measurement control unit. The radar special measurement control unit receives the control commands of the radar special measurement sent by the integrated dispatching and control platform through the PXIe bus backplane. After parsing, it controls the radar special measurement RF components through a custom bus to generate corresponding radar target echo signals according to the received radar signals. The satellite navigation special measurement control unit receives the control commands of the satellite navigation special measurement sent by the integrated dispatching and control platform through the PXIe bus backplane. After parsing, it controls the satellite navigation RF components to simulate satellite navigation signals and real-time forward the satellite navigation signals to the satellite navigation receiver. The data transmission test special measurement control unit receives the control commands of the data transmission special measurement sent by the integrated dispatching and control platform through the PXIe bus backplane. After parsing, it controls the special measurement RF components to convert the RF signals and transmitted instructions into intermediate frequency signals.

[0066] The first interface control board is used for communication between the radar special measurement control unit and the radar special measurement RF components. The second interface control board is used for communication between the satellite navigation special measurement control unit and the satellite navigation special measurement RF components. The third interface control board is used for communication between the data transmission test special measurement control unit and the data transmission test special measurement RF components.

[0067] In the embodiment of the present invention, the control system of the integrated RF test equipment further includes a program-controlled computer, which is communicatively connected to the integrated dispatching and control platform and is used to control the integrated dispatching and control platform. The integrated dispatching and control platform includes a zero-slot controller, a PXIe backplane, a keyboard, and a display screen. The zero-slot controller is connected to the PXIe backplane through the zero-slot and is used to run the human-machine interaction software to realize the dispatching of the program-controlled computer software by the integrated dispatching and control platform, the issuance of control commands, and the communication with the program-controlled computer. The Ethernet port is connected to the zero-slot controller through a network cable, and the interface is embedded in the chassis panel and is used for control communication with the program-controlled computer. The keyboard and the display screen are connected to the zero-slot controller and are installed on the chassis panel and are used for display and receiving external input and operations. The PXIe backplane is embedded in the chassis and is used for transmitting control commands and data. Other control units and components are all plugged into the backplane.

[0068] Specifically, a PXIe driver program and application programs are running in the zero-slot controller. The application programs include integrated scheduling control software, radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, and data transmission dedicated measurement display and control software. The PXIe driver program is used to provide the application programs with operations such as opening the data channels on the PXIe backplane, initializing the read and write buffers, and reading and writing data; the integrated scheduling control software is used to control the switching, scheduling, and display of the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, and data transmission dedicated measurement display and control software; the radar dedicated measurement display and control software is used to send control commands to the radar dedicated measurement control unit according to user operations, and receive and display the status information returned by the radar dedicated measurement control unit; the satellite navigation dedicated measurement display and control software is used to send control commands to the satellite navigation dedicated measurement control unit according to user operations, and receive and display the status information returned by the satellite navigation dedicated measurement control unit; the data transmission dedicated measurement display and control software is used to send control commands to the data transmission dedicated measurement control unit according to user operations, and receive and display the acquired image target information.

[0069] The first interface control board, the second interface control board, and the third interface control board are respectively provided with a fourth FPGA chip, a fifth FPGA chip, and a sixth FPGA chip. The fourth FPGA chip, the fifth FPGA chip, and the sixth FPGA chip are respectively loaded with a fourth embedded FPGA software, a fifth embedded FPGA software, and a sixth embedded FPGA software, which are used to transmit level signals to the radar dedicated measurement RF component, satellite navigation RF component, and dedicated measurement RF component through their respective control lines to achieve control.

[0070] The radar dedicated measurement control unit includes a real-time control component and a monitoring component. The real-time control component is used to perform real-time control on the RF receiving down-conversion component, S-band down-conversion component, intermediate frequency processing component, S-band up-conversion component, and RF transmitting up-conversion component. The real-time control component includes a DSP chip and a first FPGA chip; the DSP chip is loaded with real-time control software; the real-time control software is used to receive the control commands issued by the integrated scheduling control platform, and through parsing and calculation, send the data and addresses to the fourth FPGA chip in the first interface control board of the RF signal processing component; the first FPGA chip is loaded with PXIe control software and a first embedded FPGA software; the PXIe control software is used to transparently transmit the control commands from the integrated scheduling control platform on the PXIe backplane to the real-time control software, and send the data sent by the real-time control software to the corresponding pins on the backplane according to the addresses to achieve the control of the radar dedicated measurement RF component; the first embedded FPGA software is used to transmit the control signals to the radar dedicated measurement RF component through the control lines to output the radar test target echo signal; the monitoring component is used to extract the synchronous output and modulated output video signals and monitor the input and output signals.

[0071] The satellite navigation special measurement control unit includes a second FPGA chip and a navigation baseband signal processing card, and is used to receive at least one of longitude data, latitude data, altitude data, date data, and time data input by a user. According to the control data, it controls the special measurement RF component to generate a baseband digital signal with delay and Doppler characteristics and perform digital-to-analog conversion on the baseband digital signal to generate an intermediate frequency signal corresponding to the baseband digital signal, and then sends it to the navigation receiver to complete the test. The second FPGA chip is equipped with a second embedded FPGA software, and the second embedded FPGA software is used to transmit the control signal to the satellite navigation special measurement RF component through a control line, control the satellite navigation RF component to simulate satellite navigation signals and forward the satellite navigation signals to the satellite navigation receiver in real time; the navigation baseband signal processing card is used to generate a spreading code, generate a baseband digital signal with delay and Doppler characteristics and perform digital-to-analog conversion on the baseband digital signal to generate an intermediate frequency signal corresponding to the baseband digital signal. The intermediate frequency signal can be converted into a navigation signal through the up / down conversion component of the satellite navigation special measurement RF component (microwave component). The radar special measurement RF component, the satellite navigation special measurement RF component, and the data transmission special measurement RF component all belong to microwave components, and the microwave components are located on the RF device under test.

[0072] The data transmission test special measurement control unit includes a third FPGA chip and a data transmission baseband signal processing card. The third embedded FPGA software is used to transmit the control signal to the data transmission special measurement RF component through a control line, and control the special measurement RF component to convert the RF signal and the transmitted instruction into an intermediate frequency signal; the data transmission baseband signal processing card is used to receive the first intermediate frequency signal and demodulate and decode the first intermediate frequency signal, and is also used to encode, modulate, and perform digital-to-analog conversion on the transmitted instruction signal to obtain a second intermediate frequency signal.

[0073] As Figure 3 shown, a control method for an integrated RF test device includes a control method in a program control mode. The control method in the program control mode includes the following steps:

[0074] The program control computer is connected to the Ethernet port of the integrated RF test device through a network cable, and sends a remote control instruction to the control system of the integrated RF test device;

[0075] After receiving the program control command, the integrated scheduling control software opens the radar special measurement display and control software, the satellite navigation special measurement display and control software, or the data transmission special measurement display and control software according to the command content and displays them at the top of the interface;

[0076] After receiving the remote control command through the program control interface, the radar special measurement display and control software, the satellite navigation special measurement display and control software, or the data transmission special measurement display and control software performs parsing and processing, updates the control parameter values on the software interface, and communicates with their respective corresponding radar special measurement control units, satellite navigation special measurement control units, and data transmission test special measurement control units through the PXIe driver program;

[0077] In the radar dedicated measurement control unit, after the first embedded FPGA software receives and parses the command, it sends data to the radar dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0078] In the satellite navigation dedicated measurement control unit, after the second embedded FPGA software receives and parses the command, it sends data to the satellite navigation dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0079] In the data transmission dedicated measurement control unit, after the third embedded FPGA software receives and parses the command, it sends data to the data transmission dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0080] The fourth embedded FPGA software in the first interface control board transmits the level signal to the radar dedicated measurement RF component through the control line;

[0081] The fifth embedded FPGA software in the second interface control board transmits the level signal to the satellite navigation RF component through the control line;

[0082] The sixth embedded FPGA software in the third interface control board transmits the level signal to the data transmission dedicated measurement RF component through the control line.

[0083] Such as Figure 4 shown, a control method for an integrated RF test device includes a control method in the local control mode. The control method in the local control mode includes the following steps:

[0084] After the comprehensive scheduling control software receives a mouse click or keyboard button input, it is triggered according to the click event or keyboard event, and opens and displays the radar dedicated measurement display control software, satellite navigation dedicated measurement display control software, or data transmission dedicated measurement display control software at the top of the interface. At this time, the user can only operate the software displayed at the top through the keyboard and mouse;

[0085] After the comprehensive scheduling control software receives the user's keyboard and mouse operations, it opens and displays the radar dedicated measurement display control software, satellite navigation dedicated measurement display control software, or data transmission dedicated measurement display control software at the top of the interface according to the command content;

[0086] After the radar dedicated measurement display control software, satellite navigation dedicated measurement display control software, or data transmission dedicated measurement display control software receives a remote control command through the program control interface, it parses and processes it, updates the control parameter value in the software interface, and communicates with the respective corresponding radar dedicated measurement control unit, satellite navigation dedicated measurement control unit, and data transmission dedicated measurement control unit through the PXIe driver;

[0087] In the radar dedicated measurement control unit, after the first embedded FPGA software receives and parses the command, it sends data to the radar dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0088] In the satellite navigation dedicated measurement control unit, after the second embedded FPGA software receives and parses the command, it sends data to the satellite navigation dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0089] In the data transmission dedicated measurement control unit, after the third embedded FPGA software receives and parses the command, it sends data to the data transmission dedicated measurement RF component through the interface control board according to the address of the custom bus;

[0090] The fourth embedded FPGA software in the first interface control board transmits the level signal to the radar dedicated measurement RF component through the control line;

[0091] The fifth embedded FPGA software in the second interface control board transmits the level signal to the satellite navigation RF component through the control line;

[0092] The sixth embedded FPGA software in the third interface control board transmits the level signal to the data transmission dedicated measurement RF component through the control line.

[0093] Note that the above is only the preferred embodiment of the present invention and the applied technical principle. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A control system for an integrated radio frequency test device, characterized in that, It includes an integrated dispatching control platform, a radar dedicated measurement control unit, a satellite navigation dedicated measurement control unit, a data transmission test dedicated measurement control unit, a first interface control board, a second interface control board, and a third interface control board; The integrated dispatching control platform is communicatively connected to the radar dedicated measurement control unit, the satellite navigation dedicated measurement control unit, and the data transmission test dedicated measurement control unit through the PXIe bus, and is used for the operation control of human-computer interaction and the input and output of control signals; The radar dedicated measurement control unit is used for receiving the radar transmission signal and generating a radar target echo signal in the radio frequency band based on the radar transmission signal; The satellite navigation dedicated measurement control unit is used for simulating satellite navigation signals and forwarding satellite navigation signals to the satellite navigation receiver in real time; The data transmission test dedicated measurement control unit is used for converting radio frequency signals into intermediate frequency signals and converting the transmitted command signals into intermediate frequency signals; The first interface control board is used for the communication between the radar dedicated measurement control unit and the radar dedicated measurement radio frequency component, the second interface control board is used for the communication between the satellite navigation dedicated measurement control unit and the satellite navigation dedicated measurement radio frequency component, and the third interface control board is used for the communication between the data transmission test dedicated measurement control unit and the data transmission test dedicated measurement radio frequency component.

2. The control system of the integrated radio frequency test equipment according to claim 1, characterized in that, It further includes a program-controlled computer, which is communicatively connected to the integrated dispatching control platform and is used for controlling the integrated dispatching control platform; The integrated dispatching control platform includes a zero-slot controller, a PXIe backplane, a keyboard, and a display screen; The zero-slot controller is connected to the PXIe backplane through the zero-slot, and is used for running human-computer interaction software to realize the dispatching of the program-controlled computer software by the integrated dispatching control platform, issuing control commands, and communicating with the program-controlled computer; The keyboard and the display screen are connected to the zero-slot controller and are installed on the chassis panel for displaying and receiving external inputs and operations; The PXIe backplane is embedded in the chassis and is used for transmitting control commands and data, and other control units and components are plugged into the backplane.

3. The control system of the integrated radio frequency test equipment according to claim 2, wherein The zero-slot controller runs a PXIe driver program and application programs, and the application programs include integrated dispatching control software, radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, and data transmission dedicated measurement display and control software.

4. The control system of the integrated radio frequency test equipment according to claim 3, characterized in that, The PXIe driver program is used for providing the application programs with the opening of data channels on the PXIe backplane, initializing read and write buffers, and reading and writing data; The integrated dispatching control software is used for controlling the switching, dispatching, and display of the radar dedicated measurement display and control software, the satellite navigation dedicated measurement display and control software, and the data transmission dedicated measurement display and control software; The radar dedicated measurement display and control software is used for issuing control commands to the radar dedicated measurement control unit according to user operations, and receiving and displaying the status information returned by the radar dedicated measurement control unit; The satellite navigation dedicated measurement display and control software is used for issuing control commands to the satellite navigation dedicated measurement control unit according to user operations, and receiving and displaying the status information returned by the satellite navigation dedicated measurement control unit; The dedicated data transmission measurement display and control software is used to issue control commands to the dedicated data transmission measurement control unit according to user operations, and receive and display the collected image target information.

5. The control system of the integrated radio frequency test equipment according to claim 1, characterized in that, The first interface control board, the second interface control board, and the third interface control board are respectively provided with a fourth FPGA chip, a fifth FPGA chip, and a sixth FPGA chip. The fourth FPGA chip, the fifth FPGA chip, and the sixth FPGA chip are respectively loaded with a fourth embedded FPGA software, a fifth embedded FPGA software, and a sixth embedded FPGA software, which are used to transmit level signals to the radar dedicated measurement radio frequency component, the satellite navigation radio frequency component, and the dedicated measurement radio frequency component through their respective control lines to achieve control.

6. The control system of the integrated radio frequency test equipment according to claim 1, characterized in that The radar dedicated measurement control unit includes: A real-time control component for the real-time control of the radar dedicated measurement radio frequency component. The real-time control component includes a DSP chip and a first FPGA chip; The DSP chip is loaded with the real-time control software; the real-time control software is used to receive the control commands issued by the integrated scheduling control platform, and through parsing and calculation, send data and addresses to the fourth FPGA chip in the first interface control board of the radio frequency signal processing component; The first FPGA chip is loaded with PXIe control software and a first embedded FPGA software; the PXIe control software is used to transparently transmit the control commands from the integrated scheduling control platform on the PXIe backplane to the real-time control software, and send the data sent by the real-time control software to the corresponding pins on the backplane according to the addresses to achieve the control of the radar dedicated measurement radio frequency component; the first embedded FPGA software is used to transmit control signals to the radar dedicated measurement radio frequency component through the control line; A monitoring component for extracting synchronous output and modulation output video signals and monitoring input and output signals.

7. The control system of the integrated radio frequency test equipment according to claim 1, characterized in that, The satellite navigation dedicated measurement control unit includes a second FPGA chip and a navigation baseband signal processing card. The second FPGA chip is loaded with a second embedded FPGA software, and the second embedded FPGA software is used to transmit control signals to the satellite navigation dedicated measurement radio frequency component through the control line; The navigation baseband signal processing card is used to generate a spreading code, generate a baseband digital signal with delay and Doppler characteristics, and perform digital-to-analog conversion on the baseband digital signal to generate an intermediate frequency signal corresponding to the baseband digital signal.

8. The control system of the integrated radio frequency test equipment according to claim 1, characterized in that, The dedicated data transmission test control unit includes a third FPGA chip and a data transmission baseband signal processing card. The third embedded FPGA software is used to transmit control signals to the dedicated data transmission measurement radio frequency component through the control line; The data transmission baseband signal processing card is used to receive the first intermediate frequency signal and demodulate and decode the first intermediate frequency signal, and is also used to encode, modulate, and perform digital-to-analog conversion on the transmitted command signal to obtain a second intermediate frequency signal.

9. A control method for an integrated radio frequency test device, based on the control system of the integrated radio frequency test device according to any one of claims 1-8, characterized in that, It includes a control method in the programmed control mode. The control method in the programmed control mode includes the following steps: The programmed control computer is connected to the Ethernet port of the integrated radio frequency test equipment through a network cable, and sends remote control commands to the integrated radio frequency test equipment control system; After receiving the program control command, the integrated scheduling and control software opens and displays the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software at the top of the interface according to the command content; After receiving the remote control command through the program control interface, the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software parses and processes it, updates the control parameter values on the software interface, and communicates with the respective radar dedicated measurement control unit, satellite navigation dedicated measurement control unit, and data transmission dedicated measurement control unit through the PXIe driver; In the radar dedicated measurement control unit, after the first embedded FPGA software receives and parses the command, it sends data to the radar dedicated measurement radio frequency component through the interface control board according to the address of the custom bus; In the satellite navigation dedicated measurement control unit, after the second embedded FPGA software receives and parses the command, it sends data to the satellite navigation dedicated measurement radio frequency component through the interface control board according to the address of the custom bus; In the data transmission dedicated measurement control unit, after the third embedded FPGA software receives and parses the command, it sends data to the data transmission dedicated measurement radio frequency component through the interface control board according to the address of the custom bus; The fourth embedded FPGA software in the first interface control board transmits the level signal to the radar dedicated measurement radio frequency component through the control line; The fifth embedded FPGA software in the second interface control board transmits the level signal to the satellite navigation radio frequency component through the control line; The sixth embedded FPGA software in the third interface control board transmits the level signal to the data transmission dedicated measurement radio frequency component through the control line.

10. A control method for an integrated radio frequency test device, based on the control system of the integrated radio frequency test device according to any one of claims 1-8, characterized in that, It includes a control method in the local control mode. The control method in the local control mode includes the following steps: After receiving the mouse click or keyboard button input, the integrated scheduling and control software triggers according to the click event or keyboard event, opens and displays the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software at the top of the interface. At this time, the user can only operate the software displayed at the top through the keyboard and mouse; After receiving the user's keyboard and mouse operations, the integrated scheduling and control software opens and displays the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software at the top of the interface according to the command content; After receiving the remote control command through the program control interface, the radar dedicated measurement display and control software, satellite navigation dedicated measurement display and control software, or data transmission dedicated measurement display and control software parses and processes it, updates the control parameter values on the software interface, and communicates with the respective radar dedicated measurement control unit, satellite navigation dedicated measurement control unit, and data transmission dedicated measurement control unit through the PXIe driver; In the radar dedicated measurement control unit, after the first embedded FPGA software receives and parses the command, it sends data to the radar dedicated measurement radio frequency component through the interface control board according to the address of the custom bus; In the satellite navigation special measurement control unit, after the second embedded FPGA software receives and parses the command, it sends data to the satellite navigation special measurement RF component through the interface control board according to the address of the custom bus; In the data transmission special measurement control unit, after the third embedded FPGA software receives and parses the command, it sends data to the data transmission special measurement RF component through the interface control board according to the address of the custom bus; The fourth embedded FPGA software in the first interface control board transmits the level signal to the radar special measurement RF component through the control line; The fifth embedded FPGA software in the second interface control board transmits the level signal to the satellite navigation RF component through the control line; The sixth embedded FPGA software in the third interface control board transmits the level signal to the data transmission special measurement RF component through the control line.

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