CN115811377B - Interference communication system based on airborne platform - Google Patents
Interference communication system based on airborne platform Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses an interference communication system based on an airborne platform.A radio frequency receiving module receives radar signals of an antenna unit and carries out radio frequency limiting amplification, and after stable reception, the power is divided into intermediate frequency signals and detection signals; after receiving the intermediate frequency signal and the detection signal output by the radio frequency receiving module, the deception jamming module generates a baseband signal according to the detection signal and deception jamming resolving parameters of the main control unit; the noise interference module generates a baseband signal according to the pulse measurement parameter of the main control unit and the noise interference calculation parameter of the main control unit; the radio frequency modulation module mixes, filters and controls power of an intermediate frequency interference signal (i.e. an unmodulated baseband signal) output by the signal generation unit, and then sends the signal to the power amplification unit for power amplification, and the interference signal after power amplification is radiated to a radar to be tested by the antenna unit; the frequency combining module provides variable-frequency local oscillation signals for the radio frequency receiving module and the radio frequency modulating module, provides high-stability clock signals for the main control unit and the signal generating unit, and provides a stable reference clock source for the whole interference host.
Description
Technical Field
The invention relates to radar interference technology, in particular to an interference communication system based on an airborne platform.
Background
Aiming at the functional requirements of different airborne platforms and different periods, repeated verification and verification of communication are often needed, and even different firmware needs to be burned for switching sometimes. This also means that a large amount of code maintenance costs are required to be additionally increased, and that stabilization, upgrading, etc. of codes are not facilitated. And this is inconvenient for non-software personnel in the outfield, often requiring assistance from software personnel.
Sometimes, the external field has high time requirement precision, and high interference accuracy is required, but the error is relatively large due to integral matching.
For the condition that interference is not ideal or some abnormal conditions exist in the actual radar interference process, multiple disks and analysis are often needed, so that some information in the use process is often needed to be stored regularly. The device is convenient to learn the actual working condition of the device in operation from data in the later stage when the device is re-coiled, and lays a foundation for improving the product performance and the stability in the later stage and realizing more effective interference effect.
The interference host in the existing interference communication system is provided with a main control unit and a signal generation unit, but usually adopts an FPGA+DSP or ARM+DSP design, has a single function, and cannot control, sort and calculate interference patterns of all modules.
Disclosure of Invention
The invention aims to: the invention aims to solve the defects in the prior art and provides an interference communication system based on an airborne platform.
The technical scheme is as follows: the invention relates to an interference communication system based on an airborne platform, which comprises an interference host, display control equipment and an antenna unit, wherein the interference host is used for receiving the interference host; the display control equipment is connected with the interference host in a wired way, and the interference host comprises a radio frequency subsystem and a digital processing subsystem; the radio frequency subsystem comprises a power amplification unit and a microwave unit, and the microwave unit comprises a radio frequency receiving module, a radio frequency modulation module and a frequency combining module; the digital processing subsystem comprises a main control unit and a signal generation unit; the signal generating unit comprises a noise interference module and a deception interference module;
the radio frequency receiving module receives radar signals of the antenna unit and carries out radio frequency limiting amplification, and the power after stable receiving is divided into intermediate frequency signals and detection signals; after receiving the intermediate frequency signal and the detection signal output by the radio frequency receiving module, the deception jamming module generates a baseband signal according to the detection signal and deception jamming resolving parameters of the main control unit; the noise interference module generates a baseband signal according to the pulse measurement parameter of the main control unit and the noise interference calculation parameter of the main control unit; the radio frequency modulation module mixes, filters and controls power of an intermediate frequency interference signal (i.e. an unmodulated baseband signal) output by the signal generation unit, and then sends the signal to the power amplification unit for power amplification, and the interference signal after power amplification is radiated to a radar to be tested by the antenna unit; the frequency combining module provides variable-frequency local oscillation signals for the radio frequency receiving module and the radio frequency modulating module, provides high-stability clock signals for the main control unit and the signal generating unit, and provides a stable reference clock source for the whole interference host.
Further, the microwave unit receives the radio frequency signal of the radar to realize the processes of limiting, amplifying, stably receiving, filtering, detecting and the like of the radio frequency signal of the radar, and the radio frequency signal is sent to the signal generating unit for A/D digital acquisition; the interference signals generated by the signal generating unit are subjected to frequency conversion, filtering, amplification and other treatments and are sent to the antenna unit to radiate outwards; and generating a clock signal to provide a reference clock to the digital processing subsystem.
Further, the power amplification unit performs power amplification on the interference signal output by the radio frequency modulation unit, sends the interference signal to the tested radar through the antenna unit to radiate, receives external signals, and sends the external signals to the microwave frequency conversion sub-unit through low-noise amplification after amplitude limiting, and the interference radio frequency signal output by the microwave frequency conversion sub-unit is amplified in power during transmitting and then sent to the antenna unit;
the power amplification unit comprises a temperature compensation attenuator, a numerical control attenuator, an amplifier, a microwave radio frequency switch and a directional coupler; the temperature sensor and the comparator are used for realizing detection and protection of the working temperature of the module, and when the working temperature is higher than 85 ℃, the TTL high-level overtemperature fault information is timely reported to the main control unit;
in order to meet the requirement that the background noise is not too high when the signal is output, in the section where the signal generating unit does not output the signal, the power amplifier leakage-tuning switch is in an off state, and the leakage-tuning rate of the power amplifier is required to be better than 100ns.
Furthermore, the antenna unit can complete the capturing and receiving of radar signals and radiate interference signals to the radar direction in the working frequency band of the system. Further, display control software is operated in a display control terminal of the display control equipment, and a control resolving module is arranged in the main control unit; after the interference host is electrified, a control resolving module of the main control unit carries out corresponding processing resolving to generate corresponding resolving parameters (comprising deceptive interference resolving parameters and pulse measuring parameters) according to an interference parameter instruction which is issued by display control software in display control equipment at the latest time, and then distributes the corresponding resolving parameters to a noise interference module and a deceptive interference module of the signal generating unit; at this time, if the interference host is connected with the display control terminal in a wired way, the display control software collects working states of the power amplification unit, the microwave unit, the main control unit and the signal generation unit and then transmits the working states to the display control terminal for state display, so that fault diagnosis and self-detection of the whole system are realized, and alarm display is carried out on faults; the main control unit also receives the intermediate frequency signal sent by the radio frequency receiving module in the microwave sub-unit, and the control solution is used for measuring the pulse width and the frequency of the intermediate frequency signal; the display control device realizes interference parameter configuration and state monitoring of an interference host through wired connection.
Further, the display control terminal judges whether the received data are normal in real time in the fault diagnosis and self-detection processes, and if abnormal (such as incapability of realizing interference) is encountered, whether the fault occurs in the power amplifier unit, the microwave unit or the display control device can be known through the current state information. In addition, the invention sends the working state information of the power amplifier unit, the microwave unit, the main control unit and the signal generating unit to the display control terminal at fixed time, and simultaneously stores the state information, so that the state information stored by the airborne terminal equipment can be used for knowing which module is abnormal at what time after the task is finished according to partial abnormal conditions, thereby positioning the problem, and solving the problem more rapidly and effectively.
Further, the control resolving module of the main control unit communicates through a network interface, the interference signal parameters set by the display control device are transmitted to the parameter resolving part through the AXI bus to resolve the target parameters in real time, and then the resolving result is transmitted to the target signal to generate; detecting the detection signal line parameters sent by the receiving subsystem, outputting frequency and pulse width, comparing the detection signal line parameters with a database to form a radar signal sorting result, sending the radar signal sorting result to a DDR (double data rate) memory for storage, and finally returning the sorting result to a display control terminal for display; the control resolving module is used for receiving the parameter information and the control instruction sent by the display control equipment, continuously receiving the detection pulse sent by the receiving subsystem, detecting the parameter, outputting pulse parameters such as frequency, pulse width and the like, and then comparing the parameters with a database to form a radar signal sorting result;
the control resolving module comprises a level conversion sub-module, an interface, a parameter resolving sub-module, an AXI register set, a PDW sorting identification sub-module, a FIFO buffer sub-module, a DMA transmission sub-module and an ARM controller;
the level rotor module firstly changes the external signal level to the level required by the control resolving module; an interface (BRAM of the PL end caches data) for data caching, so that the conversion function of a clock domain is realized, and a reset signal is provided;
the parameter resolving operator module analyzes the received interference signal and calculates parameters, and then transmits the interference signal to the signal generating unit; the AXI register group part realizes the parameter configuration of the parameter calculation part by the ARM controller through an AXI bus;
the PDW sorting and identifying submodule realizes parameter filtering and database comparison processing of radar pulse description words and signal sorting; the FIFO buffer part realizes the buffer memory of data and provides buffer memory area for DMA transmission; the DMA transmission part realizes the high-speed transmission of the data inside; the ARM controller realizes data storage, message data analysis and interface communication.
Furthermore, the main control unit can also realize the generation of interference messages, power calibration, message receiving and transmitting, data reading and writing, display control, time calibration and log storage,
generating an interference message refers to receiving interference parameters input by a user or read by a file, forming the interference message and transmitting the interference message to a main control;
the power calibration means that noise code words and deception code word information are extracted from the file and output to a message receiving and transmitting module; the message receiving and transmitting refers to responding to data requests sent by other modules, transmitting output to a main control, receiving main control messages and transmitting the main control messages to other corresponding modules;
the data read-write refers to responding to read-write requests sent by other modules and is responsible for the file read-write function of the software layer; the display control means that various state messages output by other modules are received, analyzed and displayed;
time calibration refers to calibrating the time-division seconds of the device by receiving a time message of the GPS, and calibrating the counting time in the timer of the second device by second pulse. Thereby improving the accuracy of the absolute moment of the equipment and the precision of interference.
The invention also discloses a working method of the interference communication system based on the airborne platform, which comprises three working modes: a full autonomous operating mode, a semi autonomous operating mode, a forced outer boot operating mode,
the fully autonomous working mode is based on a pre-bound threat database, and under the condition of no human participation, the searching, interception, parameter measurement, sorting and recognition of radar signals are autonomously realized according to the prior task planning, and the working parameter setting and issuing are completed and the interference is carried out under the support of the database. And if the currently selected radar is the preassembled radar, calling the corresponding interference parameter of the radar and issuing.
The display control software compares the received data detected by the main control with the pre-bound threat database data, and sends pre-stored proper parameters to the interference equipment for interference;
the semi-autonomous working mode comprises the steps of firstly, autonomously completing searching, intercepting, parameter measurement, sorting and identification of radar signals, selecting a detected target under manual intervention, completing working parameter setting and issuing, and performing interference;
the display control software receives the data detected by the main control, selects the detected target by manual operation, sets the targeted parameters and sends the parameters to the interference equipment for interference
External guidance working mode working flow, forced external guidance mode is that test objects including radar signal parameters are defined before test. During the test, working parameters are preset and issued according to the clear radar parameters, and interference is carried out; the test object and the corresponding signal parameters are known in advance, and the parameter setting is directly and pointedly completed and is sent to the interference equipment for interference.
The beneficial effects are that: compared with the prior art, the invention has the following beneficial effects:
1. the time precision is high, the absolute time and the distance precision during interference are high, the absolute time can be accurate to the us level, and the distance precision reaches 1.5m;
2. the compatibility is high, and multiple platforms can be controlled by using self-contained software and ground terminal software;
3. the reliability is high, and the stable operation and the correctness of the equipment can be ensured in the face of complex working environments;
4. the shock resistance is good, radar data are generally obtained through vehicle-mounted, airborne, missile-borne and the like, and the equipment is required to resist shock and impact force; 5. the portable device is good in portability, small and convenient, does not occupy volume, and can be used for various use scenes;
6. the system has the functions of high-speed data transmission and log storage, and is convenient for later playback;
7. the system has high openness, and can adapt to different airborne platforms through different configurations of the upper computer.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of RF signal processing according to the present invention;
FIG. 3 is a schematic diagram illustrating the operation of the interfering host according to the present invention;
FIG. 4 is a schematic diagram of an RF subsystem according to the present invention;
FIG. 5 is a schematic diagram of a master control unit according to the present invention;
FIG. 6 is a schematic diagram of a fully autonomous mode of operation in accordance with the present invention;
FIG. 7 is a schematic diagram of a semi-autonomous mode of operation in accordance with the present invention;
FIG. 8 is a schematic diagram of a forced outer boot mode of operation in accordance with the present invention;
FIG. 9 is a hierarchical diagram of an interfering internal interface in accordance with the present invention;
FIG. 10 is a flow chart of the interference generation control information according to the present invention;
FIG. 11 is a hierarchical diagram of a power calibration internal interface in accordance with the present invention;
FIG. 12 is a flow chart of the power calibration control information according to the present invention;
FIG. 13 is a hierarchical diagram of a messaging internal interface in accordance with the present invention;
FIG. 14 is a flow chart of the message sending and receiving control information in the present invention;
FIG. 15 is a hierarchical structure diagram of a data read-write internal interface according to the present invention;
FIG. 16 is a flow chart of the data read/write control information in the present invention;
FIG. 17 is a hierarchical diagram of a display control internal interface in accordance with the present invention;
fig. 18 is a flowchart showing control information in the present invention.
Detailed Description
The technical scheme of the present invention is described in detail below, but the scope of the present invention is not limited to the embodiments.
The invention relates to an interference communication system based on an airborne platform, which comprises an interference host, display control equipment and an antenna unit, wherein the interference host is used for receiving the interference host; the display control equipment is connected with the interference host in a wired way, and the interference host comprises a radio frequency subsystem and a digital processing subsystem; the radio frequency subsystem comprises a power amplification unit and a microwave unit, and the microwave unit comprises a radio frequency receiving module, a radio frequency modulation module and a frequency combining module; the digital processing subsystem comprises a main control unit and a signal generation unit; the signal generating unit comprises a noise interference module and a deception interference module;
the radio frequency receiving module receives radar signals of the antenna unit and carries out radio frequency limiting amplification, and the power after stable receiving is divided into intermediate frequency signals and detection signals; after receiving the intermediate frequency signal and the detection signal output by the radio frequency receiving module, the deception jamming module generates a baseband signal according to the detection signal and deception jamming resolving parameters of the main control unit; the noise interference module generates a baseband signal according to the pulse measurement parameter of the main control unit and the noise interference calculation parameter of the main control unit; the radio frequency modulation module mixes, filters and controls power of an intermediate frequency interference signal (an unmodulated baseband signal) output by the signal generation unit, and then sends the intermediate frequency interference signal to the power amplification unit for power amplification, and the interference signal after power amplification is radiated to a radar to be tested by the antenna unit; the frequency combining module provides variable-frequency local oscillation signals for the radio frequency receiving module and the radio frequency modulating module, provides high-stability clock signals for the main control unit and the signal generating unit, and provides a stable reference clock source for the whole interference host.
Further, the microwave unit receives the radio frequency signal of the radar to realize the processes of limiting, amplifying, stably receiving, filtering, detecting and the like of the radio frequency signal of the radar, and the radio frequency signal is sent to the signal generating unit for A/D digital acquisition; the interference signals generated by the signal generating unit are subjected to frequency conversion, filtering, amplification and other treatments and are sent to the antenna unit to radiate outwards; and generating a clock signal to provide a reference clock to the digital processing subsystem.
Further, the power amplification unit performs power amplification on the interference signal output by the radio frequency modulation unit, sends the interference signal to the tested radar through the antenna unit to radiate, receives external signals, and sends the external signals to the microwave frequency conversion sub-unit through low-noise amplification after amplitude limiting, and the interference radio frequency signal output by the microwave frequency conversion sub-unit is amplified in power during transmitting and then sent to the antenna unit;
the power amplification unit consists of a temperature compensation attenuator, a numerical control attenuator, an amplifier, a microwave radio frequency switch, a directional coupler and the like;
the temperature sensor and the comparator are used for realizing the detection and protection of the working temperature of the module, and reporting TTL high-level overtemperature fault information when the working temperature is greater than 85 ℃;
in order to meet the requirement that the background noise is not too high when the signal is output, in the section where the signal generating unit does not output the signal, the power amplifier leakage-tuning switch is in an off state, and the leakage-tuning rate of the power amplifier is required to be better than 100ns.
Furthermore, the antenna unit can complete the capturing and receiving of radar signals and radiate interference signals to the radar direction in the working frequency band of the system.
Further, display control software is operated in a display control terminal of the display control equipment, and a control resolving module is arranged in the main control unit;
after the interference host is electrified, a control resolving module of the main control unit carries out corresponding processing resolving to generate corresponding resolving parameters (deceptive interference resolving parameters and pulse measuring parameters) according to an interference parameter instruction which is issued by display control software in display control equipment at the latest time, and then distributes the corresponding resolving parameters to a noise interference module and a deceptive interference module of the signal generating unit; at this time, if the interference host is connected with the display control terminal in a wired way, the display control software collects working states of the power amplification unit, the microwave unit, the main control unit and the signal generation unit and then transmits the working states to the display control terminal for state display, so that fault diagnosis and self-detection of the whole system are realized, and alarm display is carried out on faults; the main control unit also receives the intermediate frequency signal sent by the radio frequency receiving module in the microwave sub-unit, and the control solution is used for measuring the pulse width and the frequency of the intermediate frequency signal; the display control device realizes interference parameter configuration and state monitoring of an interference host through wired connection.
Further, the control resolving module of the main control unit communicates through a network interface, the interference signal parameters set by the display control device are transmitted to the parameter resolving part through the AXI bus to resolve the target parameters in real time, and then the resolving result is transmitted to the target signal to generate; detecting the detection signal line parameters sent by the receiving subsystem, outputting frequency and pulse width, comparing the detection signal line parameters with a database to form a radar signal sorting result, sending the radar signal sorting result to a DDR (double data rate) memory for storage, and finally returning the sorting result to a display control terminal for display; the control resolving module is used for receiving the parameter information and the control instruction sent by the display control equipment, continuously receiving the detection pulse sent by the receiving subsystem, detecting the parameter, outputting pulse parameters such as frequency, pulse width and the like, and then comparing the parameters with a database to form a radar signal sorting result;
the control resolving module comprises a level conversion sub-module, an interface, a parameter resolving sub-module, an AXI register set, a PDW sorting identification sub-module, a FIFO buffer sub-module, a DMA transmission sub-module and an ARM controller;
the level rotor module firstly changes the external signal level to the level required by the control resolving module; an interface (BRAM of the PL end caches data) for data caching, so that the conversion function of a clock domain is realized, and a reset signal is provided;
the parameter resolving operator module analyzes the received interference signal and calculates parameters, and then transmits the interference signal to the signal generating unit; the AXI register group part realizes the parameter configuration of the parameter calculation part by the ARM controller through an AXI bus;
the PDW sorting and identifying submodule realizes parameter filtering and database comparison processing of radar pulse description words and signal sorting; the FIFO buffer part realizes the buffer memory of data and provides buffer memory area for DMA transmission; the DMA transmission part realizes the high-speed transmission of the data inside; the ARM controller realizes data storage, message data analysis and interface communication.
Furthermore, the main control unit can also realize the generation of interference messages, power calibration, message receiving and transmitting, data reading and writing, display control, time calibration and log storage,
generating an interference message refers to receiving interference parameters input by a user or read by a file, forming the interference message and transmitting the interference message to a main control;
the power calibration means that noise code words and deception code word information are extracted from the file and output to a message receiving and transmitting module;
the message receiving and transmitting refers to responding to data requests sent by other modules, transmitting output to a main control, receiving main control messages and transmitting the main control messages to other corresponding modules;
the data read-write refers to responding to read-write requests sent by other modules and is responsible for the file read-write function of the software layer;
the display control means that various state messages output by other modules are received, analyzed and displayed;
time calibration refers to calibrating the time-division seconds of the device by receiving a time message of the GPS, and calibrating the counting time in the timer of the second device by second pulse. Thereby improving the accuracy of the absolute moment of the equipment and the precision of interference.
The working method of the interference communication system based on the airborne platform comprises three working modes: a full autonomous operating mode, a semi autonomous operating mode, a forced outer boot operating mode,
the fully autonomous working mode is based on a pre-bound threat database, and under the condition of no human participation, the searching, interception, parameter measurement, sorting and recognition of radar signals are autonomously realized according to the prior task planning, and the working parameter setting and issuing are completed and the interference is carried out under the support of the database. And if the currently selected radar is the preassembled radar, calling the corresponding interference parameter of the radar and issuing.
The display control software compares the received data detected by the main control with the pre-bound threat database data, and sends pre-stored proper parameters to the interference equipment for interference;
the semi-autonomous working mode comprises the steps of firstly, autonomously completing searching, intercepting, parameter measurement, sorting and identification of radar signals, selecting a detected target under manual intervention, completing working parameter setting and issuing, and performing interference;
the display control software receives the data detected by the main control, selects the detected target by manual operation, sets the targeted parameters and sends the parameters to the interference equipment for interference
External guidance working mode working flow, forced external guidance mode is that test objects including radar signal parameters are defined before test. During the test, working parameters are preset and issued according to the clear radar parameters, and interference is carried out; the test object and the corresponding signal parameters are known in advance, and the parameter setting is directly and pointedly completed and is sent to the interference equipment for interference.
Claims (7)
1. An interference communication system based on an airborne platform is characterized in that: the display control device comprises an interference host, display control equipment and an antenna unit; the display control equipment is connected with the interference host in a wired way, and the interference host comprises a radio frequency subsystem and a digital processing subsystem; the radio frequency subsystem comprises a power amplification unit and a microwave unit, and the microwave unit comprises a radio frequency receiving module, a radio frequency modulation module and a frequency combining module; the digital processing subsystem comprises a main control unit and a signal generation unit; the signal generating unit comprises a noise interference module and a deception interference module;
the radio frequency receiving module receives radar signals of the antenna unit and carries out radio frequency limiting amplification, and the power after stable receiving is divided into intermediate frequency signals and detection signals; after receiving the intermediate frequency signal and the detection signal output by the radio frequency receiving module, the deception jamming module generates a baseband signal according to the detection signal and deception jamming resolving parameters of the main control unit; the noise interference module generates a baseband signal according to the pulse measurement parameter of the main control unit and the noise interference calculation parameter of the main control unit; the radio frequency modulation module mixes, filters and controls the power of the intermediate frequency interference signal output by the signal generating unit, then transmits the signal to the power amplifying unit for power amplification, and the interference signal after power amplification is radiated to the radar to be tested by the antenna unit; the frequency combining module provides variable-frequency local oscillation signals for the radio frequency receiving module and the radio frequency modulating module, provides high-stability clock signals for the main control unit and the signal generating unit, and provides a stable reference clock source for the whole interference host.
2. The airborne platform-based interference communication system according to claim 1, wherein: the microwave unit receives the radio frequency signal of the radar to realize amplitude limiting, amplifying, stable receiving, filtering and detection processing of the radio frequency signal of the radar, and then sends the radio frequency signal to the signal generating unit for A/D digital acquisition; the interference signal generated by the signal generating unit is subjected to frequency conversion, filtering and amplification treatment, and then radiated outwards through the antenna unit; the frequency block of the microwave unit generates a clock signal that provides a reference clock to the digital processing subsystem.
3. The airborne platform-based interference communication system according to claim 1, wherein: the power amplification unit is used for amplifying power of the interference signal output by the radio frequency modulation module and radiating the interference signal to the radar to be tested through the antenna unit; and a temperature sensor and a comparator in the power amplification unit detect and protect the working temperature, and report TTL high-level overtemperature fault information to the central control module in time when the working temperature is higher than 85 ℃.
4. The airborne platform-based interference communication system according to claim 1, wherein: display control software is operated in a display control terminal of the display control equipment, and a control resolving module is arranged in a main control unit;
after the interference host is electrified, a control resolving module of the main control unit carries out corresponding processing resolving to generate deceptive interference resolving parameters and pulse measuring parameters according to an interference parameter instruction which is issued by display control software in display control equipment at the latest time, and then distributes the corresponding resolving parameters to a noise interference module and a deceptive interference module of the signal generating unit; at this time, if the interference host is connected with the display control terminal in a wired way, the display control software collects working states of the power amplification unit, the microwave unit, the main control unit and the signal generation unit and then transmits the working states to the display control terminal for state display, the main control unit also receives the intermediate frequency signal sent by the radio frequency receiving module in the microwave unit, and the control solution is used for measuring the pulse width and the frequency of the intermediate frequency signal;
the display control device realizes interference parameter configuration and state monitoring of an interference host through wired connection.
5. The airborne platform-based interference communication system according to claim 3, wherein: the control resolving module of the main control unit communicates through a network interface, displays interference signal parameters set by the control equipment, transmits the interference signal parameters to the parameter resolving operator module through an AXI bus to resolve target parameters in real time, and then transmits the resolving result to the target signal generating unit; meanwhile, parameter detection is carried out on the detection signals sent by the receiving subsystem, frequency and pulse width are output, database comparison is carried out to form radar signal sorting results, the sorting results are sent to the DDR memory for storage, and finally, the sorting results are returned to a display control terminal of display control equipment for display; the control resolving module is used for completing the receiving of the parameter information and the control instruction sent by the display control equipment, continuously receiving the detection pulse sent by the receiving subsystem, detecting the parameter, outputting the frequency and the pulse width, and then comparing the frequency and the pulse width with a database to form a radar signal sorting result;
the control resolving module comprises a level conversion sub-module, an interface sub-module, a parameter resolving sub-module, an AXI register set, a PDW sorting identification sub-module, a FIFO buffer sub-module, a DMA transmission sub-module and an ARM controller;
the level conversion sub-module converts the external signal level to the level required by the control resolving module; the interface submodule performs data caching to realize the conversion function of a clock domain and simultaneously provides a reset signal;
the parameter resolving operator module analyzes the received interference signal and calculates parameters, and then transmits the interference signal to the signal generating unit; the AXI register set realizes parameter configuration of the ARM controller to the parameter solution operator module through an AXI bus;
the PDW sorting and identifying submodule realizes parameter filtering and database comparison processing of radar pulse description words and signal sorting;
the FIFO buffer submodule realizes data buffering and provides a buffer area for DMA transmission; the DMA transmission sub-module realizes high-speed transmission of the data inside;
the ARM controller realizes data storage, message data analysis and interface communication.
6. The airborne platform-based interference communication system according to claim 1, wherein: the main control unit can also realize the generation of interference messages, power calibration, message receiving and transmitting, data reading and writing, display control, time calibration and log storage,
generating an interference message refers to receiving interference parameters input by a user or read by a file, forming the interference message and transmitting the interference message to a main control unit;
the power calibration means that noise code words and deception code word information are extracted from the file and output to a message receiving and transmitting module;
the message receiving and transmitting refers to responding to data requests sent by other modules, transmitting output to a main control unit, receiving a message of the main control unit and transmitting the message to other corresponding modules;
the data read-write refers to responding to read-write requests sent by other modules and is responsible for the file read-write function of the software layer;
the display control means that various state messages output by other modules are received, analyzed and displayed;
the time calibration means time division and second of the equipment are calibrated through time messages of the GPS, and counting time in a timer of the second equipment is calibrated through second pulse, so that accuracy of absolute time of the equipment and accuracy of interference are improved.
7. A method of operating an airborne platform based interference communication system according to claim 1, characterized in that: the device comprises three working modes: a full autonomous mode of operation, a semi autonomous mode of operation, and a forced outer boot mode of operation;
the fully autonomous working mode is based on a pre-bound threat database, and under the condition of no human participation, the searching, interception, parameter measurement, sorting and identification of radar signals are autonomously realized according to the prior task planning, and the working parameter setting and issuing are completed and the interference is carried out under the support of the database; if the currently selected radar is the preassembled radar, calling the corresponding interference parameter of the radar and issuing;
the display control software compares the received data detected by the main control unit with the pre-bound threat database data, and sends pre-stored proper parameters to the interference equipment for interference;
the semi-autonomous working mode comprises the steps of firstly, autonomously completing searching, intercepting, parameter measurement, sorting and identification of radar signals, selecting a detected target under manual intervention, completing working parameter setting and issuing, and performing interference;
the display control software receives the data detected by the main control unit, selects the detected target by the manual operation, sets the targeted parameters and sends the parameters to the interference equipment for interference;
the forced external guiding working mode is that a test object including radar signal parameters is defined before the test; during the test, working parameters are preset and issued according to the clear radar parameters, and interference is carried out; the test object and the corresponding signal parameters are known in advance, and the parameter setting is directly and pointedly completed and is sent to the interference equipment for interference.
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