CN114706102B - High-power wave beam variable positioning interference device and method thereof - Google Patents
High-power wave beam variable positioning interference device and method thereof Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
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Abstract
The invention discloses a high-power wave beam variable positioning interference device and a method thereof.A display control subsystem sends control parameters to a parameter calculation and control module, the parameter calculation and control module generates signal parameters, attitude control parameters and power amplifier control parameters according to the control parameters and respectively transmits the signal parameters, the attitude control parameters and the power amplifier control parameters to a signal generation module, a two-dimensional rotary table and a power amplifier, the signal generation module generates corresponding intermediate frequency signals according to the signal parameters and sends the intermediate frequency signals to a microwave frequency conversion module, the microwave frequency conversion module performs frequency conversion and attenuation control on the intermediate frequency signals and then outputs radio frequency signals to a power amplifier, the power amplifier performs phase control and power amplification processing on the radio frequency signals according to the power amplifier control parameters and then outputs interference signals to an antenna unit, the two-dimensional rotary table adjusts the direction according to the attitude control parameters, and the antenna unit is fixed on the two-dimensional rotary table and used for performing high-gain transmission on the received interference signals. The invention can emit high-power interference signals with variable wave beams to generate interference on positioning signals of satellite navigation.
Description
Technical Field
The invention relates to the technical field of positioning signal interference, in particular to a high-power beam variable positioning interference device and a method thereof.
Background
Among the technical problems faced by satellite navigation, the most serious one is the system robustness under the electronic countermeasure environment. Because the navigation signal modulation characteristics are obvious and the receiving power is weak, the interference cost on the satellite navigation receiver is very low, and the interference which can affect the satellite navigation receiver is various, and can be divided into two categories according to the purpose, wherein one category is unconscious interference caused by a complex electromagnetic environment, and the other category is an organized purposeful artificial interference scheme.
At present, the interference is various, but the interference signal which can be transmitted by a single interference device is single, and the interference devices which can realize interference regulation, especially beam regulation, are fewer; and the anti-interference measures aiming at the interference are more, and the verification method is relatively less.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a high-power beam variable positioning interference device and a method thereof aiming at the defects of the prior art, which can transmit a high-power interference signal with variable beams, construct a multi-style electromagnetic environment and targeted deception interference so as to generate interference on a positioning signal of satellite navigation.
The technical scheme is as follows: the invention discloses a high-power wave beam variable positioning interference device, which comprises a signal source, a power amplifier, an antenna unit, a two-dimensional turntable, a display control subsystem and a power supply subsystem, wherein the power supply subsystem is respectively connected with the signal source and the power amplifier; the signal source comprises a parameter calculating and controlling module, a signal generating module and a microwave frequency conversion module, the display control subsystem sends control parameters to the parameter calculating and controlling module, the parameter calculating and controlling module generates signal parameters, attitude control parameters and power amplifier control parameters according to the control parameters and respectively transmits the signal parameters, the attitude control parameters and the power amplifier control parameters to the signal generating module, the two-dimensional rotary table and the power amplifier, the signal generating module generates corresponding intermediate frequency signals according to the signal parameters and sends the intermediate frequency signals to the microwave frequency conversion module, the microwave frequency conversion module performs frequency conversion and attenuation control on the intermediate frequency signals and then outputs radio frequency signals to the power amplifier, the power amplifier performs phase control and power amplification processing on the radio frequency signals according to the power amplifier control parameters and then outputs interference signals to the antenna unit, the two-dimensional rotary table adjusts the direction according to the attitude control parameters, and the antenna unit is fixed on the two-dimensional rotary table and used for performing high-gain transmission on the received interference signals.
According to the technical scheme, an AC/DC power supply module is arranged in the signal source, the AC/DC power supply module is connected with the power supply subsystem and used for converting 220V alternating current input by the power supply subsystem into 24V direct current and outputting the 24V direct current to the parameter calculating and controlling module, and the parameter calculating and controlling module outputs 5V power supply and 12V power supply to the signal generating module and the microwave frequency conversion module respectively.
Furthermore, the parameter resolving and controlling module comprises a ZYNQ core unit, a communication unit, a sensor unit, a bus transceiver unit, a storage unit, an ADC signal acquisition unit and a DC-DC power supply unit, wherein the ZYNQ core unit performs data interaction with the display control subsystem through the communication unit, is used for receiving and analyzing control parameters transmitted by the display control subsystem and then transmitting the control parameters to the signal generating module through a TTL serial port, and simultaneously transmits the real-time state information of the signal generating module, the microwave frequency conversion module and the power amplifier back to the display control subsystem for real-time monitoring; the ZYNQ core unit is connected with the power amplifier and the microwave frequency conversion module through a bus transceiver unit and is used for controlling the output of signals and acquiring state monitoring; the DC-DC power supply unit is used for receiving the direct current output by the AC/DC power supply module and converting the direct current into a 12V DC power supply, a 15V DC power supply and multi-path 5V, 3.3V and 2.5V power supplies; the ADC signal acquisition unit is used for acquiring a radio frequency signal output to the power amplifier by the microwave frequency conversion module, and the acquired radio frequency signal is transmitted to the display control subsystem for display through the ZYNQ core unit; the sensor unit is used for collecting state information of the ZYNQ core unit, and the storage unit is used for storing data acquired by the ZYNQ core unit.
Furthermore, the power amplifier includes a power divider, an equalizer, a driver amplifier, a filter, 8 power dividers, 8 digital phase shifters, and four sets of 2 power dividers, wherein 2 output terminals of each set of 2 power dividers are all connected to a power amplifier module, the power divider, the equalizer, the driver amplifier, the filter, the 8 power dividers, and the 8 digital phase shifters are sequentially connected to perform power amplification and phase control on the radio frequency signals received by the power divider, and then divide the radio frequency signals into 8 interference signals through the four sets of 2 power dividers, each interference signal is output to the antenna unit through the power amplifier module, and the equalizer is connected to a detector.
Further, the signal source is equipped with radio frequency interface, RS422 interface, RS232 interface, RJ45 network interface, trinity switch, power amplifier respectively through radio frequency cable, serial port line connection to behind radio frequency interface, the RS422 interface with microwave frequency conversion module, parameter are resolved with the control module intercommunication, power amplifier's output pass through the radio frequency cable with the antenna element intercommunication, the two-dimensional revolving stage through serial port line connection to the RS232 interface with the parameter is resolved with the control module intercommunication, the power supply subsystem through with trinity switch with AC/DC power module intercommunication.
Furthermore, the signal source and the power amplifier are arranged in the cabinet through linear guide rails and are distributed up and down, the two-dimensional turntable is arranged on the upper surface of the cabinet, and the antenna unit is arranged on the two-dimensional turntable; the display control subsystem and the power supply subsystem are independently arranged outside the cabinet.
The method for performing high-power beam variable positioning interference by adopting the high-power beam variable positioning interference device comprises the following steps:
s1: setting control parameters in the display control subsystem, and sending the control parameters to a parameter resolving and controlling module of a signal source;
s2: the parameter resolving and controlling module analyzes the control parameters and then generates signal parameters, attitude control parameters and power amplifier control parameters, wherein the signal parameters are sent to the signal generating module, the attitude control parameters are sent to the two-dimensional rotary table, and the power amplifier control parameters are sent to the power amplifier; the signal generating module generates a corresponding intermediate frequency signal according to the signal parameters and sends the intermediate frequency signal to the microwave frequency conversion module, and the microwave frequency conversion module performs frequency conversion and attenuation control on the intermediate frequency signal, outputs a radio frequency signal meeting the frequency requirement and transmits the radio frequency signal to the power amplifier;
s3: adjusting the direction of the two-dimensional rotary table according to the attitude control parameters, and generating a plurality of paths of amplified radio frequency signals after the radio frequency signals are subjected to power division, phase shifting and amplification by a power amplifier and then transmitting the amplified radio frequency signals to an antenna unit;
s4: and the antenna unit fixed on the two-dimensional turntable receives the amplified radio-frequency signals to perform spatial synthesis and radiate the radio-frequency signals by using the gain of the antenna, so that an interference area with an elliptic section is formed.
Further, the control parameters set in the display control subsystem include frequency, interference pattern, power level, and beam angle value.
Furthermore, the power amplifier includes a power divider, an equalizer, a driver amplifier, a filter, 8 power dividers, 8 digital phase shifters, and four sets of 2 power dividers, wherein 2 output terminals of each set of 2 power dividers are connected to a power amplifier module, and a radio frequency signal output by the microwave frequency conversion module sequentially passes through the power divider, the equalizer, the driver amplifier, the filter, the 8 power dividers, the 8 digital phase shifters to perform 8 power dividers, 8 phase shifters, and then outputs 8 amplified radio frequency signals through the four sets of 2 power dividers and the 8 power amplifier modules.
Further, the antenna unit in S4 includes 8 small antenna units for receiving 8 paths of amplified radio frequency signals, and the 8 paths of amplified radio frequency signals are spatially synthesized and radiated by using the gain of the antenna itself to form an interference region with an elliptical section.
Has the beneficial effects that: compared with the prior art, the invention has the advantages that: the device can perform interference aiming at the positioning signal of a long-distance target, can simulate the electromagnetic interference of the natural environment, can also perform deception interference aiming at a navigation satellite, and can be matched with a satellite navigation system to perform the test of the anti-interference performance of the positioning signal.
The power amplifier adopts the multi-channel power amplifier, so that the overall size and the realization difficulty of the power amplifier are reduced; the high-power amplifier is realized by adopting a multistage amplification mode and reasonably designing a power amplifier radio frequency power link, so that the reliability and the stability of the system are improved.
The invention adopts a method of combining the phase shifter and the two-dimensional rotary table to realize the beam variability in the whole airspace, can realize the rapid coverage of the whole airspace range through the two-dimensional rotary table, can also accurately track in the specific airspace range through the phase shifter, and ensures the rapid variability of the beam in the large range and the accurate positioning in the small range.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a diagram of the position relationship of the main components of the high-power variable positioning interference device;
FIG. 3 is a block diagram of the power amplifier of the present invention;
FIG. 4 is a block diagram of the parameter calculation and control module according to the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
The high-power beam variable positioning interference device shown in fig. 1 is composed of a signal source, a power amplifier, an antenna unit, a two-dimensional turntable, a display control subsystem and a power distribution subsystem. The signal source generates interference signals with frequencies in L wave bands and various interference patterns according to control parameters of the power distribution subsystem; the power amplifier receives the interference signal and realizes power amplification and beam phase control of the interference signal; the antenna realizes high-gain transmission of the interference signal amplified by the power amplifier; the two-dimensional rotary table can adjust the attitude of the antenna in real time according to the control signal, and the full airspace coverage of the antenna transmitting wave beam is realized.
The signal source comprises a microwave frequency conversion module, a signal generation module, a parameter calculation and control module, an AC/DC power module, the signal source is provided with a radio frequency interface, an RS422 interface, an RS232 interface, an RJ45 network interface and a three-in-one switch, a power amplifier is connected to the radio frequency interface through a radio frequency cable respectively, the RS422 interface is communicated with the microwave frequency conversion module, the parameter calculation and control module is communicated, the output end of the power amplifier is communicated with an antenna unit through the radio frequency cable, a two-dimensional rotary table is communicated with the calculation and control module after being connected to the RS232 interface through a serial port line, a power supply subsystem supplies power to the signal source and the power amplifier through a power supply cable, the AC/DC power module in the signal source is communicated with a power supply subsystem through the three-in-one switch, 220V alternating current output by the power supply subsystem is converted into 24V direct current to the parameter calculation and control module, the parameter calculation and control module outputs 5V power, 12V power is supplied to the microwave frequency conversion module respectively, and the signal generation module.
The display control subsystem sends control parameters to the parameter resolving and controlling module through the RJ45 network interface, and the parameter resolving and controlling module generates signal parameters, attitude control parameters and power amplifier control parameters according to the control parameters; the signal parameters are transmitted to the signal generating module through the TTL serial port, and the signal generating module outputs an intermediate frequency signal, a clock signal and a parallel port control signal to the microwave frequency conversion module and receives a phase locking indicating signal transmitted by the microwave frequency conversion module; the microwave frequency conversion module outputs a radio frequency signal to the power amplifier through the SMA-to-N radio frequency interface, and the power amplifier control parameter and the attitude control parameter are respectively output to the power amplifier and the two-dimensional rotary table through RS422 and RS 232; the power amplifier outputs interference signals to the antenna unit, and the antenna unit is fixed on the two-dimensional turntable.
As shown in fig. 2, the signal source is installed on the upper layer of the cabinet through a linear guide rail; the power amplifier is arranged on the lower layer of the cabinet through a linear guide rail; the two-dimensional rotary table is arranged on the upper surface of the cabinet; the antenna is arranged on the two-dimensional rotary table; the display control subsystem and the power supply subsystem are independently arranged.
As shown in fig. 3, the power amplifier includes a power divider, an equalizer, a detector, a driving power amplifier, a filter, 8 power dividers, 8 digitally controlled phase shifters, and 4 groups of 2 power dividers, where 2 output terminals of each group of 2 power dividers are connected to a power amplifier module. The power amplifier is used for phase-shifting and amplifying the signals and then transmitting the signals to the antenna unit through the eight channels, the antenna unit realizes high-gain transmission of the eight radio-frequency signals, and the beam direction is rapidly changed by controlling the two-dimensional rotary table, so that interference can be carried out on a target in a full airspace.
The parameter resolving and controlling module is used as a control and processing core, is mainly used for communication through TTL serial ports and IO ports, transmits interference pattern parameters, control commands, frequency codes and signal sampling and matching logic, and can adapt to continuous wave radars, conventional pulse radar signals, pulse Doppler signals, linear frequency modulation signals, nonlinear frequency modulation signals, phase coding signals, frequency agile radar signals, random standing wave signals and Gaussian noise signals. The parameter resolving and controlling module is communicated with the display and control subsystem through a network, receives control parameters of the display and control subsystem, analyzes the control parameters and various control instructions sent by the display and control subsystem and sends the control parameters and various control instructions to the signal generating module, controls the signal generating module to generate signals, and simultaneously acquires state information of each module and uploads the state information to the display and control subsystem for monitoring and displaying in real time.
Function of the signal generation module: receiving an interference parameter message sent by the parameter resolving and controlling module through the TTL serial port, and returning a state through the TTL serial port; generating 1.15 to 1.65GHz intermediate frequency signals; the filtering attenuation power of the microwave frequency conversion module is controlled through the parallel port, and the attenuation amounts are respectively 1dB, 2dB, 4dB, 8dB, 16dB and 30dB; and receiving a phase locking indication signal of the microwave frequency conversion module, and transmitting the phase locking indication signal back to the parameter resolving and controlling module.
As shown in fig. 4, the parameter calculating and controlling module includes a ZYNQ core unit, a communication unit, a sensor unit, a bus transceiver unit, a storage unit, and an ADC signal acquisition unit. The parameter resolving and controlling module generates a signal by configuring and selecting a signal modulation parameter and sending the signal to the signal generating module, and controls the working frequency of the signal. The specific functions include: receiving an instruction of the display control subsystem through the gigabit network port, and feeding back the working state and data of the whole machine; the serial port can be used for communication among the modules; the system is provided with a plurality of pairs of differential signals for more accurately controlling each module; receiving a frequency code and a power amplifier indication of a display control subsystem, generating a specified interference pattern signal, realizing the generation of parameter control of a signal generation module through a serial port and an IO port, and receiving feedback data of the signal generation module; 3.3V and 2.5V standby IOs with PL terminals; the log file storage can be realized, and the post analysis and the problem search are convenient; the interactive message storage capacity is provided for post diagnosis and debugging; the interface signals are proper, errors and short circuits are avoided, the interface position is proper, and the installation and the disassembly are convenient; the internal design is reasonable, and the module on the circuit board is from an organic whole, can realize accomplishing the installation welding of all modules under the no casing condition, except that fixed screw and connector, need not install extra module behind the casing of packing into.
1) ZYNQ core unit
The ZYNQ core unit is a core unit of the parameter resolving and controlling module, and mainly performs operation of embedded system software, including processing of control instructions, control of a work flow and arithmetic operation and logic operation on data. In the system, external network/serial port communication is mainly completed, a parameter message of a display control subsystem is received and analyzed, and then the message in a set format is transmitted to a signal generation module through a high-speed port; meanwhile, the real-time state information of the signal generating module and the microwave frequency conversion module is transmitted back to the display control subsystem through a network according to the message with the set format for real-time monitoring.
2) Communication unit
The communication unit mainly comprises a hardware drive design of 1 path of gigabit Ethernet, 1 path of RS422 serial port and 2 paths of RS232 serial ports, wherein the Ethernet mainly meets the requirement of high-speed data exchange with the display control subsystem, and the RS422 and RS232 serial ports mainly meet the requirement of serial port communication with other modules. The power amplifier control information is output to the power amplifier through the RS422 interface of the signal source, and the attitude control information is output to the two-dimensional rotary table through the RS232 interface of the signal source.
3) DC-DC power supply unit
The DC-DC power supply unit converts 24V into 12V and 5V for one time, and mainly comprises 8 paths of 12V DC power supplies, 10 paths of 5V DC power supplies and multiple paths of 5V, 3.3V and 2.5V power supplies. The 12V power supply is mainly used for supplying power to the internal circuit of the parameter calculating and controlling module, the other two paths of power supply directly supply power to the signal generating module and the microwave frequency conversion module respectively, and the 5V power supply, the 3.3V power supply and the 2.5V power supply can also supply power to some low-power-consumption peripherals.
4) ADC signal acquisition unit
The ADC signal acquisition unit mainly has the function of acquiring parameters for analog quantity injected into the radio frequency interface, and most of the ADC signal acquisition units have the function of measuring the amplitude of the injected DC analog quantity, output the measured DC analog quantity to the ZYNQ core unit for resolving and then report the calculated DC analog quantity to the display and control subsystem.
5) Sensor unit
The sensor unit comprises a temperature sensor, and the sensor unit is mainly designed for the function of real-time monitoring of temperature information in the acquisition module.
6) Memory cell
The storage unit mainly comprises an SD card storage circuit and mainly works to locally store and record a large amount of data acquired during a test and the state of equipment.
7) Bus transceiver unit
The bus transceiver unit mainly has the functions of realizing conversion of different working levels when the ZYNQ core unit connects the power amplifier module and the microwave frequency conversion module through data lines, improving the driving capability of pins and protecting an IC chip of the ZYNQ core unit.
The interference method of the high-power beam variable positioning interference device comprises the following steps:
s1: the method comprises the following steps that a high-power wave beam variable positioning interference device is placed on the ground, after the whole device is powered, a display control subsystem completes network connection with a signal source, sets control parameters such as frequency, interference patterns, power and wave beam angle values through software, and reports the control parameters to a parameter resolving and controlling module after the parameters are loaded;
s2: the parameter resolving and controlling module analyzes the control parameters and then generates signal parameters, attitude control parameters and power amplifier control parameters, wherein the signal parameters are sent to the signal generating module, the attitude control parameters are sent to the two-dimensional rotary table, and the power amplifier control parameters are sent to the power amplifier;
s3: the azimuth is adjusted by manually rotating the two-dimensional cradle head according to the attitude control parameters, the signal generation module generates corresponding intermediate frequency signals according to the signal parameters and sends the intermediate frequency signals to the microwave frequency conversion module, the microwave frequency conversion module generates radio frequency signals meeting frequency requirements, the radio frequency signals are transmitted to the power amplifier, the power amplifier firstly divides the radio frequency signals into 1 part and 8 parts through an internal power divider and transmits the radio frequency signals to 8 power amplification channels for power amplification, the related parameters of the radio frequency signals after the power amplification are transmitted back to the parameter resolving and control module, and the parameters are reported to the display control subsystem for real-time display after the parameter resolving and control module resolves.
S4: the amplified radio frequency signals are transmitted to 8 small antenna units from 8 channels, are subjected to space synthesis and are radiated by using the antenna gain, an interference area with an oval section is formed, a target flying object enters the interference area, the interference signals and positioning signals are received by the flying object together, the interference signal strength is stronger than that of satellite positioning signals, the flying object cannot discriminate the positioning signals, the positioning function fails, and the interference purpose is achieved.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited to the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A high-power wave beam variable positioning interference device is characterized in that: the system comprises a signal source, a power amplifier, an antenna unit, a two-dimensional turntable, a display control subsystem and a power supply subsystem, wherein the power supply subsystem is respectively connected with the signal source and the power amplifier; the signal source comprises a parameter resolving and controlling module, a signal generating module and a microwave frequency conversion module, the display control subsystem sends control parameters to the parameter resolving and controlling module, the parameter resolving and controlling module generates signal parameters, attitude control parameters and power amplifier control parameters according to the control parameters and respectively transmits the signal parameters, the attitude control parameters and the power amplifier control parameters to the signal generating module, the two-dimensional turntable and the power amplifier, the signal generating module generates corresponding intermediate-frequency signals according to the signal parameters and sends the intermediate-frequency signals to the microwave frequency conversion module, and the microwave frequency conversion module performs frequency conversion and attenuation control on the intermediate-frequency signals and then outputs radio-frequency signals to the power amplifier;
the power amplifier comprises a power divider, an equalizer, a driving power amplifier, a filter, 8 paths of power dividers, 8 paths of numerical control phase shifters and four groups of 2 paths of power dividers, 2 output ends of each group of 2 paths of power dividers are connected with a power amplifier module, the power divider, the equalizer, the driving power amplifier, the filter, the 8 paths of power dividers and the 8 paths of numerical control phase shifters are sequentially connected to carry out power amplification and phase control on radio-frequency signals received by the power divider and then divide the radio-frequency signals into 8 paths of interference signals through the four groups of 2 paths of power dividers, each path of interference signal is output to the antenna unit through the power amplifier module, and the equalizer is connected with a detector;
the two-dimensional rotary table adjusts the direction according to the attitude control parameters, and the antenna unit is fixed on the two-dimensional rotary table and used for transmitting the received interference signals in a high-gain mode.
2. The high power beam variable positioning interference apparatus of claim 1, wherein: an AC/DC power supply module is arranged in the signal source, the AC/DC power supply module is connected with the power supply subsystem and used for converting 220V alternating current input by the power supply subsystem into 24V direct current and outputting the 24V direct current to the parameter calculating and controlling module, and the parameter calculating and controlling module outputs 5V power supply and 12V power supply to the signal generating module and the microwave frequency conversion module respectively.
3. The high power beam variable positioning interference apparatus of claim 2, wherein: the parameter resolving and controlling module comprises a ZYNQ core unit, a communication unit, a sensor unit, a bus transceiver unit, a storage unit, an ADC signal acquisition unit and a DC-DC power supply unit, wherein the ZYNQ core unit performs data interaction with the display control subsystem through the communication unit, is used for receiving and analyzing control parameters transmitted by the display control subsystem and then transmitting the control parameters to the signal generating module through a TTL (transistor-transistor logic) serial port, and simultaneously transmits real-time state information of the signal generating module, the microwave frequency conversion module and the power amplifier back to the display control subsystem for real-time monitoring; the ZYNQ core unit is connected with the power amplifier and the microwave frequency conversion module through a bus transceiver unit and is used for controlling the output of signals and acquiring state monitoring; the DC-DC power supply unit is used for receiving the direct current output by the AC/DC power supply module and converting the direct current into a 12V DC power supply, a 15V DC power supply and a plurality of paths of 5V, 3.3V and 2.5V power supplies; the ADC signal acquisition unit is used for acquiring a radio frequency signal output to the power amplifier by the microwave frequency conversion module, and the acquired radio frequency signal is transmitted to the display control subsystem for display through the ZYNQ core unit; the sensor unit is used for collecting state information of the ZYNQ core unit, and the storage unit is used for storing data acquired by the ZYNQ core unit.
4. The high power beam variable positioning interference device of claim 2, wherein: the signal source is equipped with radio frequency interface, RS422 interface, RS232 interface, RJ45 network interface, trinity switch, power amplifier respectively through radio frequency cable, string mouthful line connection to behind radio frequency interface, the RS422 interface with microwave frequency conversion module, parameter are resolved and control module intercommunication, power amplifier's output pass through the radio frequency cable with antenna element intercommunication, the two-dimensional revolving stage through string mouthful line connection to the RS232 interface with parameter are resolved and control module intercommunication, the power supply subsystem through with trinity switch with AC/DC power module intercommunication.
5. The high power beam variable positioning interference device of claim 1, wherein: the signal source and the power amplifiers are arranged in the cabinet through linear guide rails and are distributed up and down, the two-dimensional turntable is arranged on the upper surface of the cabinet, and the antenna unit is arranged on the two-dimensional turntable; the display control subsystem and the power supply subsystem are independently arranged outside the cabinet.
6. A high-power beam variable positioning interference method is characterized by comprising the following steps:
s1: setting control parameters in the display control subsystem, and sending the control parameters to a parameter resolving and controlling module of a signal source;
s2: the parameter resolving and controlling module analyzes the control parameters and then generates signal parameters, attitude control parameters and power amplifier control parameters, wherein the signal parameters are sent to the signal generating module, the attitude control parameters are sent to the two-dimensional rotary table, and the power amplifier control parameters are sent to the power amplifier; the signal generating module generates corresponding intermediate frequency signals according to the signal parameters and sends the intermediate frequency signals to the microwave frequency conversion module, and the microwave frequency conversion module performs frequency conversion and attenuation control on the intermediate frequency signals, outputs radio frequency signals meeting the frequency requirements and transmits the radio frequency signals to the power amplifier;
s3: adjusting the position of the two-dimensional rotary table according to the attitude control parameter, wherein the power amplifier comprises a power divider, an equalizer, a driving power amplifier, a filter, 8 paths of power dividers, 8 paths of numerical control phase shifters and four groups of 2 paths of power dividers, 2 output ends of each group of 2 paths of power dividers are connected with a power amplifier module, and a radio frequency signal output by the microwave frequency conversion module is sequentially subjected to 8 paths of power division and 8 paths of phase shifting by the power divider, the equalizer, the driving power amplifier, the filter, the 8 paths of power dividers and the 8 paths of numerical control phase shifters and then is output to 8 paths of amplified radio frequency signals by the four groups of 2 paths of power dividers and the 8 paths of power amplifier modules and is transmitted to the antenna unit;
s4: and the antenna unit fixed on the two-dimensional turntable receives the amplified radio-frequency signals to carry out spatial synthesis and radiate out by utilizing the gain of the antenna to form an interference area with an elliptic section.
7. The high power beam variable positioning interference method according to claim 6, characterized in that: the control parameters set in the display control subsystem comprise frequency, interference patterns, power and beam angle values.
8. The high power beam variable positioning interference method according to claim 6, characterized in that: and the antenna unit in the S4 comprises 8 small antenna units and is used for receiving 8 paths of amplified radio-frequency signals, and the 8 paths of amplified radio-frequency signals are subjected to space synthesis and radiated by using the gain of the antenna to form an interference area with an elliptic section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210259951.5A CN114706102B (en) | 2022-03-16 | 2022-03-16 | High-power wave beam variable positioning interference device and method thereof |
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