CN115037319A - Radio frequency integrated device for reconnaissance, interference, detection and communication - Google Patents
Radio frequency integrated device for reconnaissance, interference, detection and communication Download PDFInfo
- Publication number
- CN115037319A CN115037319A CN202210293249.0A CN202210293249A CN115037319A CN 115037319 A CN115037319 A CN 115037319A CN 202210293249 A CN202210293249 A CN 202210293249A CN 115037319 A CN115037319 A CN 115037319A
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency
- interference
- reconnaissance
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims description 44
- 238000001914 filtration Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 13
- 230000010354 integration Effects 0.000 description 15
- 238000012360 testing method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/883—Radar or analogous systems specially adapted for specific applications for missile homing, autodirectors
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/38—Jamming means, e.g. producing false echoes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/7163—Spread spectrum techniques using impulse radio
- H04B1/719—Interference-related aspects
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention provides a reconnaissance, interference, detection and communication radio frequency integrated device, wherein eight conformal antennas are adopted in the reconnaissance, interference, detection and communication integrated device, and can be used for passively detecting radiation source signals in a frequency band of 0.4 GHz-4 GHz; through another group of eight conformal antennas, the electronic reconnaissance and interference can be carried out on radiation source signals in the frequency band of 4 GHz-18 GHz; by utilizing the conformal antenna in the frequency band of 4 GHz-18 GHz, the communication mode can be integrated on the integral equipment, the communication mode and the interference mode share one link, and the communication mode can be switched by program control, so that the communication mode can be integrated on the integral equipment.
Description
Technical Field
The invention belongs to the field of integration of electronic technology and radar communication electronic warfare, and particularly relates to a reconnaissance, interference, detection and communication radio frequency integrated device.
Background
The multifunctional integration technology is widely applied in the field of electronic countermeasures in recent years. At present, the requirements of complex electromagnetic environment and accurate striking are met, the single interference and detection function of the missile-borne radar or the simple superposition of multiple functional modules cannot meet the current fighting requirements, and the function of the fighting equipment is compounded into the mainstream of the development of modern fighting equipment. In the field of missile-borne radars, the design of the integrated device mainly solves the problem that multiple working modes work simultaneously and do not influence each other under the condition of device integration, the target interception probability is guaranteed, the target positioning precision is improved, and the working efficiency of the system is improved.
The patent 'novel multi-channel electronic reconnaissance and electronic countermeasure integrated device and method' (application number: 201811181586.0) integrates electronic reconnaissance and electronic countermeasure, designs an integrated device, but does not integrate two modes of passive detection and communication, and is different from the invention patent. The patent 'an airborne liquid cooling type reconnaissance and interference integrated device' (application number: 202010546380.4) mainly solves the heat dissipation problem of integrated equipment during working, because of airborne equipment, the running time is long, the temperature of the equipment needs to be reduced while the reconnaissance and interference function is realized, but the invention does not relate to reconnaissance, interference, detection and communication integration, and is different from the invention patent; the patent 'communication reconnaissance and interference integrated data chain receiving and transmitting antenna array' (application number: 201710547038.4) mainly aims at the problem of equipment integration level and is designed in a method mode, the volume of equipment is reduced and the equipment integration level is increased while the communication reconnaissance and interference integration is realized, and the method is different from the invention patent; the patent scout interference integrated system (application number: 202010273015.0) mainly can reduce the sampling rate, simplify the structure of transmitting and receiving channels, realize the multi-band and multi-signal interference at the same time, but has no integrated detection and communication functions, and is different from the patent of the invention; the literature, "a practical radar reconnaissance and interference integrated transceiver front end design method" (academy of early warning academy of air force, 2014) mainly designs the transceiver front end of the integrated equipment, adopts a micro-assembly hybrid integrated design to realize sum, difference and correction transceiver front ends output by a receiving array antenna module, and achieves transmitting excitation driving and digital receiver preprocessing through up-down frequency conversion of wide and narrow band signals, thereby completing functions of radar detection, imaging, reconnaissance, interference and the like, but does not have functions of integrated detection and communication, does not mention modes of reconnaissance, interference and detection simultaneous operation, and is different from the invention.
Object of the Invention
The invention aims to meet the high requirement on integration of functions of a missile-borne radar in the existing radar electronic warfare and overcome the defects of the prior art, provides integrated equipment integrating functions of reconnaissance, interference, detection and communication, achieves the purpose of interfering with a target radiation source of an enemy while detecting and tracking a target by the missile-borne radar, and can select a plane to communicate with ground equipment of the enemy. The integration level of the equipment is improved, the simultaneous work of all the functional modules is guaranteed not to be influenced, and the working efficiency of the system is improved. The innovation of the invention comprises: firstly, the reconnaissance, interference, detection and communication integrated equipment adopts eight conformal antennas, and can perform passive detection on radiation source signals in a frequency range of 0.4 GHz-4 GHz; secondly, through another group of eight conformal antennas, electronic reconnaissance and interference can be carried out on radiation source signals in the frequency range of 4 GHz-18 GHz; thirdly, the communication mode can be integrated into the whole equipment by utilizing the conformal antenna in the frequency band of 4 GHz-18 GHz, the communication mode and the interference mode share one link, and the communication mode can be switched by program control, so that the communication mode can be integrated into the whole equipment. In the passive detection mode, eight conformal antennas of 0.4 GHz-4 GHz are used for carrying out direction finding on a radiation source signal; under the electronic reconnaissance interference mode, six conformal antennas of 4 GHz-18 GHz are used for direction finding of radiation source signals, and the other two antennas are transmitting antennas and are used for interference or communication transmission.
Disclosure of Invention
The invention aims to provide a radio frequency integrated device for reconnaissance, interference, detection and communication, which solves the problem of multifunctional broadband integrated radio frequency integration.
A reconnaissance, interference, detection and communication radio frequency integrated device comprises 8 passive detection radio frequency signal input ends, 8 passive detection intermediate frequency signal output ends, 8 reconnaissance interference radio frequency signal input ends, 2 reconnaissance interference fine frequency detection intermediate frequency signal output ends, 2 interference intermediate frequency signal input ends, 2 interference radio frequency signal output ends, intermediate frequency input and output ends of communication signals, a control interface and a down-conversion module; under a passive detection mode, 8 paths of radio frequency input signals are input into the integrated device by 8 conformal antennas working at a frequency band of 0.4 GHz-4 GHz, and 8 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; under the electronic reconnaissance mode, 6 paths of radio frequency input signals are input into the integrated device by 6 conformal antennas working at a frequency band of 4 GHz-18 GHz, and 6 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; 2-path interference/communication intermediate frequency transmitting signals pass through the up-conversion module and then output 2-path radio frequency signals.
Furthermore, the down-conversion module mixes the radio frequency input signal with the program-controlled local oscillator after passing through links such as an attenuator and an amplifier, and the mixed signal is mixed and amplified again with the fixed local oscillator after passing through the amplifier, so as to obtain an intermediate frequency output signal.
Further, in the passive probing mode frequency integrated down-conversion module, the RF input signal RF1 passes through the SP3T switch and is output to the next stage, wherein the SP3T switch is controlled by the mode control signal; the output signal passes through a 60dB attenuator to an amplitude limiter, passes through an amplifier and a low-pass filter and then is mixed with the program-controlled local oscillator 1; the mixed signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; and the mixed signal passes through a band-pass filter and an amplifier to obtain an intermediate frequency signal with the intermediate frequency of 900MHz and the bandwidth of 400MHz and then is output.
Furthermore, the electronic reconnaissance mode of the electronic reconnaissance mode frequency synthesis down-conversion module adopts two antennas for reconnaissance, one antenna is selected by the processor as a reconnaissance antenna, and the SPDT switch is controlled by an antenna selection signal to realize the reconnaissance; the output signal is mixed with the program-controlled local oscillator 2; the mixed signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; after the mixed signal passes through a band-pass filter and a power divider, one path of the mixed signal is mixed and filtered with a fixed local oscillator 2 to obtain an intermediate frequency signal of a communication function mode with an intermediate frequency of 60MHz and a bandwidth of 10 MHz; and the other path of signals and the fixed local oscillator 3 are subjected to quadrature frequency mixing to obtain a zero intermediate frequency I, Q signal.
Furthermore, the electronic reconnaissance mode frequency synthesis up-conversion module mainly realizes the transmission function of interference signals or communication signals, wherein the interference signals and the communication signals work in a time-sharing mode. In a communication mode, carrying out up-conversion, band-pass filtering and SPDT switching on and off by a fixed local oscillator 3 on a communication intermediate frequency signal IF2, and then carrying out secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control. In the interference mode, the orthogonal component IF2_ I, IF2_ Q signal of the interference signal is subjected to up-conversion, band-pass filtering and SPDT switch switching by a fixed local oscillator 3 and then subjected to secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control.
The invention has the beneficial effects that:
the invention can achieve the purpose of interfering the target radiation source of an enemy while detecting and tracking the target by the missile-borne radar, and can selectively communicate with own ground equipment. The integration level of the equipment is improved, the simultaneous work of all the functional modules is guaranteed not to be influenced, and the working efficiency of the system is improved. The innovation of the invention comprises: firstly, the reconnaissance, interference, detection and communication integrated equipment adopts eight conformal antennas, and can perform passive detection on radiation source signals in a frequency range of 0.4 GHz-4 GHz; secondly, through another group of eight conformal antennas, electronic reconnaissance and interference can be carried out on radiation source signals in the frequency range of 4 GHz-18 GHz; thirdly, the communication mode can be integrated into the whole equipment by utilizing the conformal antenna in the frequency band of 4 GHz-18 GHz, the communication mode and the interference mode share one link, and the communication mode can be switched by program control, so that the communication mode can be integrated into the whole equipment. In the passive detection mode, eight conformal antennas of 0.4 GHz-4 GHz are used for carrying out direction finding on a radiation source signal; under the electronic reconnaissance interference mode, six conformal antennas of 4 GHz-18 GHz are used for direction finding of radiation source signals, and the other two antennas are transmitting antennas and are used for interference or communication transmission.
Drawings
FIG. 1 is a diagram of an integrated radio frequency device for detecting, interfering, detecting and communicating according to the present invention;
FIG. 2 is a basic structure diagram of a frequency conversion module employed in the present invention;
FIG. 3 is a block diagram of a passive probing mode tracker structure according to the present invention;
FIG. 4 is a block diagram of a scout interference pattern tracking module according to the present invention;
fig. 5 is a block diagram of the interference/communication transmission channel structure of the present invention;
FIG. 6 is a diagram of an upper computer operation control interface according to the present invention;
FIG. 7 is a diagram of the integrated device test connection of the present invention;
FIG. 8 is a diagram showing the results of the direction finding function of the present invention;
FIG. 9 is a schematic diagram of an interference function suppressing interference signal oscilloscope display according to the present invention;
FIG. 10 is a graph showing the results of the passive probing function of the present invention;
FIG. 11 is a spectrum diagram of an intermediate frequency signal outputted from the communication function integration apparatus according to the present invention;
fig. 12 is a graph of a spectrum of a radio frequency signal output by the communication function integration apparatus of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the integrated device for detecting, interfering, detecting and communicating radio frequency includes 8 radio frequency signal input ends for passive detection, 8 intermediate frequency signal output ends for passive detection, 8 radio frequency signal input ends for detecting interference, 2 intermediate frequency signal output ends for detecting interference, 2 intermediate frequency signal input ends for interference, 2 radio frequency signal output ends for interference, intermediate frequency input and output ends for communication signal, and a control interface. In a passive detection mode, 8 paths of radio frequency input signals are input into the integrated device by 8 conformal antennas working at a frequency band of 0.4 GHz-4 GHz, and 8 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; under an electronic reconnaissance mode, 6 paths of radio frequency input signals are input into the integrated device by 6 conformal antennas working at a frequency band of 4 GHz-18 GHz, and 6 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; in addition, 2 paths of interference/communication intermediate frequency transmitting signals output 2 paths of radio frequency signals after passing through an up-conversion module; the control interface is in bidirectional data communication, and can output an indication signal for detection on one hand, and provide control codes by the processor to complete mode switching of different synthesizers, attenuators and switches in the integration device on the other hand.
As shown in fig. 2, which is a basic structure of the down-conversion module, a radio frequency input signal is subjected to frequency mixing with a program-controlled local oscillator after passing through links such as an attenuator and an amplifier, and the frequency-mixed signal is subjected to frequency mixing again and amplification with a fixed local oscillator after passing through the amplifier, so as to obtain an intermediate frequency output signal.
As shown in fig. 3, in the passive probing mode frequency-integrated down-conversion module, a radio frequency input signal RF1 passes through a SP3T switch and is output to a next stage, wherein the SP3T switch is controlled by a mode control signal; the output signal passes through a 60dB attenuator to an amplitude limiter, passes through an amplifier and a low-pass filter and then is mixed with the program-controlled local oscillator 1; the mixed signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; and after the mixed signals pass through a band-pass filter and an amplifier, intermediate frequency signals of 900MHz and 400MHz bandwidth are obtained and output.
Fig. 4 shows an electronic reconnaissance mode frequency-synthesis down-conversion module, in which two antennas are used for reconnaissance in the electronic reconnaissance mode, one of the antennas can be selected by a processor as a reconnaissance antenna, and an SPDT switch is controlled by an antenna selection signal to implement the reconnaissance; the output signal is mixed with the program-controlled local oscillator 2; after the frequency mixing, the signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; after the mixed signal passes through a band-pass filter and a power divider, one path of the mixed signal is mixed and filtered with a fixed local oscillator 2 to obtain an intermediate frequency signal of a communication function mode with an intermediate frequency of 60MHz and a bandwidth of 10 MHz; and the other path of the signal is subjected to quadrature frequency mixing with a fixed local oscillator 3 to obtain a zero intermediate frequency I, Q signal.
As shown in fig. 5, the frequency conversion module of the electronic reconnaissance mode frequency summation mainly implements an interference signal or communication signal transmission function, wherein the interference signal and the communication signal operate in a time-sharing manner. In a communication mode, a communication intermediate frequency signal IF2 is subjected to up-conversion, band-pass filtering and SPDT switching by a fixed local oscillator 3 and then subjected to secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control. In the interference mode, the orthogonal component IF2_ I, IF2_ Q signal of the interference signal is subjected to up-conversion, band-pass filtering and SPDT switch switching by a fixed local oscillator 3 and then subjected to secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control.
As shown in fig. 6, the operation control interface of the upper computer of the integrated device for reconnaissance, interference, detection and communication radio frequency integration is shown, wherein the main interface realizes the functions of on-off control, attenuation control, antenna selection and the like of the integrated device; and the system also comprises an operation interface and control of passive detection, scout direction finding, electronic interference and an integrated working mode. And testing and verifying the reconnaissance, interference, detection and communication radio frequency integrated device by combining with an upper computer operation control interface. The signal generated by the signal source is used for simulating radar signals, the output end of the signal source is connected with the horn antenna for radiation, the integrated device receives the signals, the test is carried out by adopting two signal sources, one signal source carrier frequency is set to be pulse modulation signals in a frequency band of 4 GHz-18 GHz, the other signal source carrier frequency is set to be signals in a frequency band of 0.4 GHz-4 GHz, and the test verification of each working mode of the radio frequency integrated device for reconnaissance, interference, detection and communication is realized by utilizing an upper computer operation control interface. The specific test flow is as follows:
step 1: according to the figure 7, the test system is connected, then the equipment and the instrument are started to be preheated, the reconnaissance direction-finding function is tested, and if the upper computer displays that the test result is basically consistent with the signal source setting parameter, the reconnaissance direction-finding function of the integrated equipment is normal.
The method comprises the steps that a signal source is set to be a pulse modulation signal with a carrier frequency of 5.01GHz, a pulse width of 20us and a framework period of 200us, after an upper computer is operated to place a local oscillator, a frequency trace can convert a radio frequency signal into an intermediate frequency signal in a down-conversion mode, the signal is processed through a hardware platform, a reconnaissance direction finding result is reported to the upper computer to be displayed, the display result is shown in figure 8, and the reconnaissance direction finding function is normal.
And 2, step: according to fig. 7, the test system is connected, then the equipment and the instrument are preheated, the interference function is tested, and if the interference signal is normally output, the interference function is normal.
The method comprises the steps that a signal source is set to be a pulse modulation signal with a carrier frequency of 5.01GHz, a pulse width of 20us and a framework period of 200us, after an upper computer is operated to place a local oscillator, a frequency track can down-convert a radio frequency signal to an intermediate frequency signal, interference signals of different types are generated after the signal is processed by a hardware platform, the interference types can be selected by the upper computer, if the upper computer selects suppression interference, the suppression interference signals can be seen through observation of an oscilloscope, and as shown in fig. 9, the interference function is normal.
And step 3: according to the figure 7, the test system is connected, then the equipment and the instrument are preheated, the passive detection function is tested, and if the detection information displayed by the upper computer is consistent with the signal source setting parameters, the passive detection function is normal.
The method comprises the steps that a signal source is set to be a pulse modulation signal with the carrier frequency of 1.2GHz, the pulse width of 5us and the skeleton period of 40us, after an upper computer is operated to place a local oscillator, a frequency trace can down-convert a radio frequency signal to an intermediate frequency signal, the signal is processed through a corresponding algorithm by a hardware platform to obtain radar parameters, then the radar parameters are reported to the upper computer to be displayed, the display result is shown in figure 10, and the detection function is normal.
And 4, step 4: according to the figure 7, the test system is connected, then the equipment and the instrument are started to preheat, the communication function is tested, and if the radio frequency output can see the signal frequency spectrum of the corresponding frequency point, the communication function is normal.
The signal source is set to be a continuous signal with a carrier frequency of 9.0GHz, after the local oscillator is arranged on the upper computer, the frequency trace can down-convert a radio frequency signal to a continuous signal of an intermediate frequency signal of 60MHz, the frequency spectrum of the intermediate frequency signal is shown in figure 11, then the upper computer sends a communication starting signal to the digital processing board, the hardware platform generates a control signal to transmit the signal, the frequency spectrograph is used for observing radio frequency output, and as shown in figure 12, the communication function is normal.
And 5: according to fig. 7, the test system is connected, and then the device and the instrument are preheated, and the test and simultaneous operation mode is selected, wherein the mode capable of simultaneously operating is an interference mode and a passive detection mode, the interference mode and a detection and direction finding mode simultaneously operate, the communication mode and the passive detection mode simultaneously operate, and the communication mode and the detection and direction finding mode simultaneously operate. The testing step only needs to simultaneously operate the steps of the two modes, and after verification, the simultaneous work can be realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A reconnaissance, interference, detection and communication radio frequency integrated device is characterized by comprising 8 radio frequency signal input ends which are passively detected, 8 intermediate frequency signal output ends which are passively detected, 8 radio frequency signal input ends which are reconnaissance interference, 2 intermediate frequency signal output ends which are reconnaissance interference precision frequency detection, 2 intermediate frequency signal input ends which are interference, 2 radio frequency signal output ends which are interference, intermediate frequency input and output ends of communication signals, a control interface and a down-conversion module; under a passive detection mode, 8 paths of radio frequency input signals are input into the integrated device by 8 conformal antennas working at a frequency band of 0.4 GHz-4 GHz, and 8 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; under the electronic reconnaissance mode, 6 paths of radio frequency input signals are input into the integrated device by 6 conformal antennas working at a frequency band of 4 GHz-18 GHz, and 6 paths of intermediate frequency signals with the central frequency of 900MHz and the bandwidth of 400MHz are output through an internal down-conversion module; 2-path interference/communication intermediate frequency transmitting signals pass through the up-conversion module and then output 2-path radio frequency signals.
2. The reconnaissance, interference, detection and communication radio-frequency integrated system according to claim 1, wherein the down-conversion module is configured to perform frequency mixing on a radio-frequency input signal after passing through links such as an attenuator and an amplifier with a program-controlled local oscillator, and perform frequency mixing and amplification on the frequency-mixed signal after passing through the amplifier with a fixed local oscillator again to obtain an intermediate-frequency output signal.
3. The integrated system of claim 1, wherein in the passive probing mode frequency synthesizer down-conversion module, the RF input signal RF1 is outputted to the next stage after passing through the SP3T switch, wherein the SP3T switch is controlled by the mode control signal; the output signal passes through a 60dB attenuator to an amplitude limiter, passes through an amplifier and a low-pass filter and then is mixed with the program-controlled local oscillator 1; the mixed signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; and after the mixed signals pass through a band-pass filter and an amplifier, intermediate frequency signals of 900MHz and 400MHz bandwidth are obtained and output.
4. The reconnaissance, interference, detection and communication radio frequency integrated system according to claim 1, wherein the electronic reconnaissance mode of the electronic reconnaissance mode frequency-integrated down-conversion module adopts two antennas for reconnaissance, one antenna is selected by the processor as a reconnaissance antenna, and the SPDT switch is controlled by an antenna selection signal to realize the reconnaissance; the output signal is mixed with the program-controlled local oscillator 2; after the frequency mixing, the signal passes through a band-pass filter and an amplifier and then is mixed with a fixed local oscillator 1; after the mixed signal passes through a band-pass filter and a power divider, one path of the mixed signal is mixed and filtered with a fixed local oscillator 2 to obtain an intermediate frequency signal of a communication function mode with an intermediate frequency of 60MHz and a bandwidth of 10 MHz; and the other path of the signal is subjected to quadrature frequency mixing with a fixed local oscillator 3 to obtain a zero intermediate frequency I, Q signal.
5. The integrated reconnaissance, interference, detection and communication radio frequency system according to claim 1, wherein the electronic reconnaissance mode frequency synthesis up-conversion module mainly realizes an interference signal or communication signal transmission function, and the interference signal and the communication signal operate in a time-sharing manner. In a communication mode, a communication intermediate frequency signal IF2 is subjected to up-conversion, band-pass filtering and SPDT switching by a fixed local oscillator 3 and then subjected to secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control. In the interference mode, the orthogonal component IF2_ I, IF2_ Q signal of the interference signal is subjected to up-conversion, band-pass filtering and SPDT switch switching by a fixed local oscillator 3 and then subjected to secondary up-conversion with the fixed local oscillator 1; performing up-conversion with the program-controlled local oscillator 2 after bandpass filtering and SPDT switch switching; and finally outputting a radio frequency signal after SPDT switching, band-pass filtering and power attenuation control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293249.0A CN115037319A (en) | 2022-03-23 | 2022-03-23 | Radio frequency integrated device for reconnaissance, interference, detection and communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293249.0A CN115037319A (en) | 2022-03-23 | 2022-03-23 | Radio frequency integrated device for reconnaissance, interference, detection and communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115037319A true CN115037319A (en) | 2022-09-09 |
Family
ID=83119483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210293249.0A Pending CN115037319A (en) | 2022-03-23 | 2022-03-23 | Radio frequency integrated device for reconnaissance, interference, detection and communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115037319A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349742A (en) * | 2008-08-29 | 2009-01-21 | 西安电子科技大学 | Method for optimizing space between broad band phased array elements and measuring frequency and direction of frequency domain multiple targets |
| CN107238836A (en) * | 2017-05-24 | 2017-10-10 | 西安空间无线电技术研究所 | A kind of multifunctional all rf integration implementation method based on shared aperture |
| CN107918122A (en) * | 2017-10-24 | 2018-04-17 | 上海无线电设备研究所 | A kind of portable scene surveillance radar system |
| CN107991656A (en) * | 2017-12-29 | 2018-05-04 | 中国电子科技集团公司第二十七研究所 | A kind of active-passive integratedization unjammable radar device |
| CN109031282A (en) * | 2018-07-27 | 2018-12-18 | 西安空间无线电技术研究所 | The system that a kind of electronic reconnaissance and radar detection work at the same time |
| CN112698265A (en) * | 2020-11-23 | 2021-04-23 | 中国人民解放军91776部队 | Remote detection positioning system and method for low-frequency radiation source target |
-
2022
- 2022-03-23 CN CN202210293249.0A patent/CN115037319A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101349742A (en) * | 2008-08-29 | 2009-01-21 | 西安电子科技大学 | Method for optimizing space between broad band phased array elements and measuring frequency and direction of frequency domain multiple targets |
| CN107238836A (en) * | 2017-05-24 | 2017-10-10 | 西安空间无线电技术研究所 | A kind of multifunctional all rf integration implementation method based on shared aperture |
| CN107918122A (en) * | 2017-10-24 | 2018-04-17 | 上海无线电设备研究所 | A kind of portable scene surveillance radar system |
| CN107991656A (en) * | 2017-12-29 | 2018-05-04 | 中国电子科技集团公司第二十七研究所 | A kind of active-passive integratedization unjammable radar device |
| CN109031282A (en) * | 2018-07-27 | 2018-12-18 | 西安空间无线电技术研究所 | The system that a kind of electronic reconnaissance and radar detection work at the same time |
| CN112698265A (en) * | 2020-11-23 | 2021-04-23 | 中国人民解放军91776部队 | Remote detection positioning system and method for low-frequency radiation source target |
Non-Patent Citations (1)
| Title |
|---|
| 马定坤;匡银;杨新权;: "侦干探通一体化现状与关键技术研究", 中国电子科学研究院学报, no. 05 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108872955B (en) | Radar echo signal simulation method and system | |
| CN110988830A (en) | Multi-frequency-band radar target simulator | |
| CN110456316B (en) | Multi-channel transceiving correction system and method for multifunctional phased array radar | |
| CN109975772B (en) | Multi-system radar interference performance detection system | |
| CN110554618B (en) | Communication system simulation method based on radar darkroom | |
| RU56653U1 (en) | RADAR STATION | |
| CN110149119A (en) | Switch at high speed radio frequency reception channel group delay coherence method | |
| CN108051791A (en) | A kind of phased-array radar universal calibration device | |
| CN114389636B (en) | Multi-band high-performance signal processing platform | |
| CN105281850A (en) | Handheld radio comprehensive tester | |
| CN106291106A (en) | Multichannel width tests system mutually | |
| CN114252858B (en) | Radar target excitation system | |
| CN111596266A (en) | Radio frequency front end of low-cost detection unmanned aerial vehicle C wave band radar | |
| CN115037319A (en) | Radio frequency integrated device for reconnaissance, interference, detection and communication | |
| CN117434534A (en) | Multichannel SAR imaging near-field test system based on board card vector network | |
| Baskar et al. | A software defined radar platform for waveform adaptive MIMO radar research | |
| US4970510A (en) | Self test avionics equipment | |
| CN114070704B (en) | Multichannel transceiver of anti-collision device and amplitude-phase calibration method | |
| CN114401019B (en) | High-bandwidth high-sensitivity receiving front-end circuit | |
| CN111049535B (en) | Radio frequency front end transmitting unit of portable communication and navigation tester | |
| CN210724758U (en) | Radio frequency front end transmitting unit of portable communication and navigation tester | |
| CN111064492B (en) | Radio frequency front end unit of portable communication and navigation tester | |
| Kornprobst et al. | Versatile low-cost and light-weight RF equipment for field measurements | |
| CN213813934U (en) | Large-bandwidth real-time high-speed radar target simulator | |
| Gromek et al. | Two channel balanced RF FMCW FrontEnd for radar applications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |