CN110018499A - A kind of full frequency band passive detection and full frequency band counter integral system and method - Google Patents
A kind of full frequency band passive detection and full frequency band counter integral system and method Download PDFInfo
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- CN110018499A CN110018499A CN201910389051.0A CN201910389051A CN110018499A CN 110018499 A CN110018499 A CN 110018499A CN 201910389051 A CN201910389051 A CN 201910389051A CN 110018499 A CN110018499 A CN 110018499A
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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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- 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
Abstract
The present invention provides a kind of full frequency band passive detection and full frequency band counter integral system and method, full frequency band Passive Detention System contains multiple detection channels, detect the radiofrequency signal of full frequency band, detect the presence or absence of radiofrequency signal, determine the parameter of radiofrequency signal, it sub-elects and swarms into signal, the signal of swarming into that multiple detection channels detect is matched, determine the airspace attribute for swarming into target；Under the guidance of control instruction or full frequency band Passive Detention System, full frequency band breaks through system and generates counter signal corresponding with target signature is swarmed into, and completes the intelligent counter that object is swarmed into low latitude.The full frequency band that the present invention may be implemented to swarm into low latitude object is effectively detected and is broken through, without frequency domain blind area, Sweeping nonlinearity without blindness, do not waste energy, adverse environment is caused to endanger, effectively the security protection of realization government bodies, military installations, energy reserves library/yard, large scale business venue, private site and sensitizing range.
Description
Technical field
The invention belongs to low altitude safe defense technique fields, and in particular to is used for government bodies, military installations, the energy
Warehouse/yard, large scale business venue, a kind of full frequency band passive detection of private site and the security protection of sensitizing range and complete
Frequency range breaks through integral system and method.
Background technique
Unmanned plane is the not manned aircraft manipulated using radio robot and the presetting apparatus provided for oneself, nothing on machine
Cockpit, but the equipment such as automatic pilot, presetting apparatus are installed, on ground, naval vessels or machine tool remote control station personnel pass through
The equipment such as radar track it, are positioned, are remotely controlled, telemetering and Digital Transmission, can be under wireless remotecontrol as conventional airplane one
Sample takes off or is launched with booster rocket, can also be taken to by machine tool it is aerial launch flight, when recycling, can with conventional airplane
Process the same mode automatic Landing in land can also be recycled by remote control parachute or block, can be reused several times, used extensively
In aerial reconnaissance, monitoring, communication, antisubmarine, electronic interferences etc..
In recent years, the communication technology, integrated circuit technique, system-on-chip technology, three-dimensional printing technology and unmanned air vehicle technique
Continuous development so that unmanned plane has low cost, easily obtains, easy features such as transformation, so that unmanned plane is in all fields
To being widely applied, and the status of control hardly possible is formd, easily causes social danger.
Existing unmanned plane safety defense system and the relevant technologies are to detect and defend object, covering with business unmanned plane
Frequency range be ISM band, system of defense covering frequence is narrow, effectively cannot detect and defend repacking unmanned plane, in addition, existing
Counter system using frequency sweep compacting interference, waste energy, easily cause adverse environment to influence.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the shortcomings of the prior art, provides a kind of full frequency band passive detection and full range
Section counter integral system and method solve the problems, such as that existing low latitude passive detection and counter frequency spectrum covering power are insufficient.
The purpose of the present invention is achieved through the following technical solutions:
A kind of full frequency band passive detection and full frequency band counter integral system and method, using the full frequency band of integrated design
Passive Detention System and full frequency band break through system, in which: full frequency band Passive Detention System contains multiple detection channels, detects full frequency band
Radiofrequency signal, detection the presence or absence of radiofrequency signal determines the parameter of radiofrequency signal, sub-elects and swarm into signal, and to multiple detectings
Air conduct measurement to signal of swarming into matched, and then determine and swarm into the airspace attribute of target；In control instruction or full frequency band
Under the guidance of Passive Detention System, full frequency band breaks through system and generates counter signal corresponding with target signature is swarmed into, and completes to low
Sky swarms into the intelligent counter of object.
The specific technical proposal of the invention is:
A kind of full frequency band passive detection and full frequency band break through integral system, including full frequency band Passive Detention System and full range
Section counter system, the full frequency band Passive Detention System include at least one frequency spectrum detection channel, and frequency spectrum detection channel includes connecting
Connect the low-noise amplifier of antenna；The full frequency band counter system includes at least one counter transmission channel, breaks through transmission channel
Power amplifier including connecting antenna, the low-noise amplifier of the detection channel connects Multifunctional radio-frequency transceiver, described
Transmission channel power amplifier connects Multifunctional radio-frequency transceiver, and Multifunctional radio-frequency transceiver connects processor.
In above-mentioned technical proposal, the Multifunctional radio-frequency transceiver completes frequency conversion, gain control, filtering, digital to analog conversion, mould
Transformation of variables and calibration process.
In above-mentioned technical proposal, the antenna is 75MHz-30GHz broad-band antenna, the Multifunctional radio-frequency transponder chip
For one of AD9361, ADRV9009 or ADRV9008.
In above-mentioned technical proposal, the frequency spectrum detection channel contain two receiving branch, be divided into 75MHz-6GHz branch and
6GHz-30GHz branch, after the 75MHz-6GHz branch is 75MHz-6GHz broad-band antenna, low-noise amplifier is linked in sequence
Access single-pole double-throw switch (SPDT), the 6GHz-30GHz branch is that 6GHz-30GHz broad-band antenna, low-noise amplifier, frequency converter are suitable
Single-pole double-throw switch (SPDT) is accessed after sequence connection, the single-pole double-throw switch (SPDT) connects Multifunctional radio-frequency transceiver by filter.
In above-mentioned technical proposal, the counter transmission channel contains two branches, is divided into 75MHz-6GHz branch and 6GHz-
30GHz branch, after the 75MHz-6GHz branch is 75MHz-6GHz broad-band antenna, power amplifier, filter are linked in sequence
Single-pole double-throw switch (SPDT) is accessed, the 6GHz-30GHz branch is 6GHz-30GHz broad-band antenna, power amplifier, filter, change
Frequency device accesses single-pole double-throw switch (SPDT) after being linked in sequence, the single-pole double-throw switch (SPDT) connects Multifunctional radio-frequency transceiver.
A kind of full frequency band passive detection and full frequency band break through method, include the following steps:
Q1, full frequency band Passive Detention System carry out narrowband to the broadband signal of the received low target of frequency spectrum detection channel
Processing, then, it is determined that have no signal, it is then determined the characteristic parameter of signal, finally, judging signal source according to signal characteristic
It whether is to swarm into target；
Q2, such as determine that signal source is the radiofrequency signal for swarming into target, detects full frequency band Passive Detention System whole frequency spectrum
The signal characteristic for surveying channel is matched, and determines same target of swarming into the signal characteristic of different spectral detection channel, using same
One swarms into target in the signal characteristic of different spectral detection channel, determines the airspace attribute for swarming into target；
Q3, counter channel is determined, and corresponding with echo signal feature is swarmed into according to the generation of clarification of objective parameter is swarmed into
Counter instruction breaks through the selected counter transmission channel of system by full frequency band and emits inverted signal, completes the counter to target is swarmed into.
In above-mentioned technical proposal, in the Q1, in processor, to the received broadband signal of frequency spectrum detection channel using short
When Fourier transformation carry out narrowband processing, broadband signal is transformed into the road P narrow band signal, wherein P is nature not less than 16
Number；When determining has no signal, the amplitude by calculating the road P narrow band signal is realized, specifically: to the amplitude of the road P signal and pre-
Gating limit is compared, and when the amplitude of narrow band signal is greater than thresholding, that is, is determined with signal, record, which determines in the presence of having signal, is
It unites the time, i.e. signal reaches the time；When determining signal characteristic, will be consecutively detected in existing for signal in the narrow band signal of the road P
Between channel centre frequency of the centre frequency as signal, to judge that frequency spectrum detection channel connects according to the signal characteristic detected
Whether the broadband signal of receipts is the signal for swarming into target.
In above-mentioned technical proposal, in the Q2, according to the signal of target is swarmed into after completing signal pairing, to successful matching
Swarm into target, the position or orientation of target is swarmed into using reaching time difference algorithm and calculating, so that it is determined that swarming into the airspace of target
Attribute.
In above-mentioned technical proposal, in the Q3, when determining counter channel, instruction is broken through outside counter channel selecting system and is determined
Or determined by processor intelligence, processor calculates each counter channel phases center to swarming into target using included angle of straight line method
The angle of line and counter channel antenna normal direction selects the smallest counter channel of angle as the channel for implementing counter.
In above-mentioned technical proposal, in the Q3, when generating counter signal corresponding with echo signal feature is swarmed into, in system
Under the control of outer or full frequency band Passive Detention System counter instruction, processor generates counter signal, the tool that counter instruction includes
Body field are as follows: GPS interference is enabled, GLONASS interference is enabled, Beidou interference is enabled, Galileo interference is enabled, retransmitted jamming makes
Can, modulated interferer is enabled, complex navigation jamming power control word, retransmitted jamming power control word, modulated interferer power control word,
The Modulation Types of modulated interferer, the pseudo-code generator polynomial of modulated interferer, GPS pseudo-code serial number, Beidou pseudo-code serial number, Galileo
Pseudo-code serial number, GLONASS pseudo-code serial number, interfering frequency, jamming bandwidth；
If the contained GPS of instruction interferes enabled field to enable GPS interference, GPS pseudo-code generation module is enabled, according to instruction
Contained GPS pseudo-code serial number, GPS pseudo-code generator polynomial as defined in load standard generate GPS pseudo-code, defeated after BPSK is modulated
± 1 pseudo-random sequence indicated out；
If the contained GLONASS of instruction interferes enabled field to enable GLONASS interference, enables GLONASS pseudo-code and generate
Module, the GLONASS pseudo-code serial number contained according to instruction, the GLONASS pseudo-code generator polynomial for loading standard generate GLONASS
Pseudo-code, the pseudo-random sequence that output ± 1 indicates；
If the contained GLONASS of instruction interferes enabled field to be not enabled on GLONASS interference, GLONASS pseudo-code generates mould
The constant output of block is 0；If the contained Beidou of instruction interferes enabled field to enable Beidou interference, enables Beidou pseudo-code and generate mould
Block, the Beidou pseudo-code serial number contained according to instruction, the Beidou pseudo-code generator polynomial for loading standard generate Beidou pseudo-code, export ±
1 pseudo-random sequence indicated；
If the contained Beidou of instruction interferes enabled field to be not enabled on Beidou interference, the output of Beidou pseudo-code generation module is permanent
It is set to 0；
If the contained Galileo of instruction interferes enabled field to enable Galileo interference, enables Galileo pseudo-code and generate
Module, the Galileo pseudo-code serial number contained according to instruction, the Galileo pseudo-code generator polynomial for loading standard generate Galileo
Pseudo-code, the pseudo-random sequence that output ± 1 indicates；
If the contained Galileo of instruction interferes enabled field to be not enabled on Galileo interference, Galileo pseudo-code generates mould
The constant output of block is 0；Then, by GPS pseudo-code generation module, GLONASS pseudo-code generation module, Beidou pseudo-code generation module,
The output of Galileo pseudo-code generation module is summed；Then, to and signal normalization, make its maximum value equal to Multifunctional radio-frequency receive
Send out the full scale input of digital analog converter contained by device, and the complex navigation jamming power control word contained multiplied by instruction；
If the contained retransmitted jamming of instruction enables field and enables retransmitted jamming, signal will be received through wave filter, filter
Centre frequency be set as instructing contained interfering frequency, the bandwidth of filter is set as instructing contained jamming bandwidth, and will
The output of filter normalizes, and the maximum value for exporting filter is equal to expiring for digital analog converter contained by Multifunctional radio-frequency transceiver
Range input, and the retransmitted jamming power control word contained multiplied by instruction；If the contained retransmitted jamming of instruction, which enables field, not to be made
Energy retransmitted jamming, the output perseverance of this branch are 0；
If modulated interferer contained by instruction enables field and enables modulated interferer, pseudo-code generation module is according to contained by instruction
The pseudo-code generator polynomial initialization linear feedback shift register of modulated interferer generates pseudo-random sequence, contained by instruction
After the modulation of Modulation Types, by modulation output normalization, the maximum value for exporting modulation is equal to contained by Multifunctional radio-frequency transceiver
The full scale of digital converter inputs, then, and the modulated interferer power control word contained multiplied by instruction；If the contained tune of instruction
System interferes enabled field to be not enabled on modulated interferer, then the output perseverance of this branch is 0；
Finally, the signal of above three branch is summed, composite interference signal is generated, send to counter transmission channel and launches
It goes, completes to break through the intelligence of low target.
The full frequency band that the present invention may be implemented to swarm into low latitude object is effectively detected and is broken through, no frequency domain blind area, no blindness
Sweeping nonlinearity does not waste energy, and adverse environment is caused to endanger, effectively realization government bodies, military installations, energy reserves library/stand
The security protection of field, large scale business venue, private site and sensitizing range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is a schematic structural view of Embodiment 1 of the present invention；
Fig. 3 is the flow diagram for generating counter signal corresponding with echo signal feature is swarmed into and calculating；
Fig. 4 is a schematic structural view of Embodiment 2 of the present invention；
Fig. 5 is a schematic structural view of Embodiment 3 of the present invention；
Fig. 6 is a schematic structural view of Embodiment 4 of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described with reference to the accompanying drawings and examples, it is clear that described
Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to guarantor of the present invention
The range of shield.
According to Fig. 1, a kind of full frequency band passive detection and full frequency band break through integral system, including the passive spy of full frequency band
Examining system and full frequency band break through system, and full frequency band Passive Detention System includes two frequency spectrum detection channels, frequency spectrum detection channel packet
Include the low-noise amplifier of connection antenna；The full frequency band counter system includes two counter transmission channels, breaks through transmission channel
Power amplifier including connecting antenna, the low-noise amplifier of the detection channel connects Multifunctional radio-frequency transceiver, described
Transmission channel power amplifier connects Multifunctional radio-frequency transceiver, and Multifunctional radio-frequency transceiver completes frequency conversion, gain control, filter
Wave, digital to analog conversion, analog to digital conversion and calibration process, Multifunctional radio-frequency transceiver connect processor.
Antenna is 75MHz-30GHz broad-band antenna, Multifunctional radio-frequency transceiver can for AD9361, ADRV9009 or
ADRV9008 chip is also possible to the similar chip comprising AD9361, ADRV9009 or ADRV9008 chip functions or upgrading core
Piece.
A kind of full frequency band passive detection and full frequency band break through method, include the following steps:
Q1, full frequency band Passive Detention System carry out narrowband to the broadband signal of the received low target of frequency spectrum detection channel
Processing, determining has the characteristic parameter of no signal and signal, judges whether signal source is to swarm into target according to signal characteristic, is locating
It manages in device, narrowband processing is carried out using Short Time Fourier Transform to the received broadband signal of frequency spectrum detection channel, broadband is believed
Number it is transformed into the road P narrow band signal, wherein P is the natural number not less than 16；When determining has no signal, by calculating the road P narrowband
The amplitude realization of signal, specifically: the amplitude of the road P signal is compared with pre-determined threshold, when the amplitude of narrow band signal is greater than
Thresholding, that is, be determined with signal, and record determines that the system time having in the presence of signal, i.e. signal reach the time；Determining signal spy
When sign, centre frequency of the centre frequency as signal of intermediate channels existing for signal will be consecutively detected in the narrow band signal of the road P,
To judge whether the received broadband signal of frequency spectrum detection channel is the signal for swarming into target according to the signal characteristic detected；
Q2, such as determine that signal source is the radiofrequency signal for swarming into target, detects full frequency band Passive Detention System whole frequency spectrum
The signal characteristic for surveying channel is matched, and determines same target of swarming into the signal characteristic of different spectral detection channel, using same
One swarms into target in the signal characteristic of different spectral detection channel, in the signal for swarming into target after completing signal pairing, to matching
Target is swarmed into success, the position or orientation of target is swarmed into using reaching time difference algorithm and calculating, so that it is determined that swarming into target
Airspace attribute to being determined as matching the signal characteristic of multiple detection channels from the radiofrequency signal for swarming into target,
To determine same target of swarming into the signal characteristic of different detection channels, finally, using same target of swarming into different detectings
The signal characteristic in channel determines the airspace attribute for swarming into target.
Determine that same target of swarming into the signal characteristic of different detection channels, is confirmed as from swarming into mesh each channel
Target signal carries out signal pairing, while it is small less than pre-determined threshold (for example, 1%) and reaching time-difference to meet relative error of the frequency
In the signal successful matching of thresholding (for example, 100us), it is confirmed as swarming into target from same.
The calculation method of relative error of the frequency:Wherein,Indicate the letter that i-th of detection channel determines
Number centre frequency,Indicate the signal center frequency that j-th of detection channel determines,It indicatesWithMost
Big value.
The calculation method of reaching time-difference: | Ti-Tj|, wherein TiWhen the signal for indicating that i-th of detection channel determines reaches
Between, TjIndicate the time of arrival (toa) that j-th of detection channel determines.
Determine that the airspace attribute for swarming into target swarms into target to successful matching, when using reaching after the completion of signal pairing
Between poor (TDOA) algorithm calculate the position or orientation for swarming into target.
Q3, counter channel is determined, and corresponding with echo signal feature is swarmed into according to the generation of clarification of objective parameter is swarmed into
Counter instruction emits inverted signal by whole counter transmission channels that full frequency band breaks through system, completes the counter to target is swarmed into,
When determining counter channel, instruction is broken through outside counter channel selecting system and determines or is determined by processor intelligence, processor uses
Included angle of straight line method calculates each counter channel phases center to the line for swarming into target and the folder of counter channel antenna normal direction
Angle selects the smallest counter channel of angle as the channel for implementing counter；, detection channel determine signal parameter one by one with electromagnetism
Calculation of characteristic parameters normalized cumulant in background signal library, calculation method are as follows:
In above formula, the number of H expression parameter, H is natural number；AhIndicate h-th of parameter of signal, h is no more than oneself of H
So number；BhIndicate h-th of parameter in electromagnetic background signal library in characteristic parameter.
If the normalized cumulant of the characteristic parameter taken out in signal parameter and electromagnetic background signal library that channel determines is less than
Pre-determined threshold (for example, 20%) then confirms that the signal is electromagnetic background signal, if signal parameter and electromagnetic background that channel determines
The normalized cumulant of all characteristic parameters stored in signal library is both greater than pre-determined threshold, then confirms the signal from swarming into mesh
Mark.
According to Fig.3, when generating counter signal corresponding with echo signal feature is swarmed into, outside system or full frequency band
Under the control of Passive Detention System counter instruction, processor generates counter signal, the specific field that counter instruction includes are as follows: GPS
Interference is enabled, GLONASS interference is enabled, Beidou interference is enabled, Galileo interference is enabled, retransmitted jamming is enabled, modulated interferer makes
The tune of energy, complex navigation jamming power control word, retransmitted jamming power control word, modulated interferer power control word, modulated interferer
Sample preparation formula, the pseudo-code generator polynomial of modulated interferer, GPS pseudo-code serial number, Beidou pseudo-code serial number, Galileo pseudo-code serial number,
GLONASS pseudo-code serial number, interfering frequency, jamming bandwidth；
If the contained GPS of instruction interferes enabled field to enable GPS interference, GPS pseudo-code generation module is enabled, according to instruction
Contained GPS pseudo-code serial number, GPS pseudo-code generator polynomial as defined in load standard generate GPS pseudo-code, defeated after BPSK is modulated
± 1 pseudo-random sequence indicated out；
For example, the GPS pseudo-code serial number 31 that instruction is contained, then the generator polynomial that GPS pseudo-code is arranged is respectively G1=1+
X3+X10, G2=1+X2+X3+X6+X8+X9+X10, register initial value is full 0, and code phase is 3 and 8, generates No. 31 GPS satellite
Corresponding pseudo-code；If the contained GPS of instruction interferes enabled field to be not enabled on GPS interference, the output of GPS pseudo-code generation module is permanent
It is set to 0；Similarly, if GLONASS contained by instruction interferes enabled field to enable GLONASS interference, enabled GLONASS pseudo-code is raw
At module, the GLONASS pseudo-code serial number contained according to instruction, the GLONASS pseudo-code generator polynomial for loading standard is generated
GLONASS pseudo-code, the pseudo-random sequence that output ± 1 indicates；If the contained GLONASS of instruction interferes enabled field to be not enabled on
GLONASS interference, then it is 0 that the output of GLONASS pseudo-code generation module is constant；If the contained Beidou of instruction interferes enabled field to make
Energy Beidou interference, then enable Beidou pseudo-code generation module, and according to Beidou pseudo-code serial number contained by instruction, the Beidou for loading standard is pseudo-
Code generator polynomial generates Beidou pseudo-code, the pseudo-random sequence that output ± 1 indicates；If the contained Beidou of instruction interferes enabled field
It is not enabled on Beidou interference, then it is 0 that the output of Beidou pseudo-code generation module is constant；If the contained Galileo of instruction interferes enabled word
Section enables Galileo interference, then enables Galileo pseudo-code generation module, and the Galileo pseudo-code serial number contained according to instruction adds
The Galileo pseudo-code generator polynomial of load standard generates Galileo pseudo-code, the pseudo-random sequence that output ± 1 indicates；If instruction institute
The Galileo contained interferes enabled field to be not enabled on Galileo interference, then it is 0 that the output of Galileo pseudo-code generation module is constant；
Then, GPS pseudo-code generation module, GLONASS pseudo-code generation module, Beidou pseudo-code generation module, Galileo pseudo-code are generated into mould
The output of block is summed；Then, to and signal normalization, make its maximum value be equal to Multifunctional radio-frequency transceiver contained by digital analog converter
Full scale input, and the complex navigation jamming power control word contained multiplied by instruction；
If the contained retransmitted jamming of instruction enables field and enables retransmitted jamming, signal will be received through wave filter, filter
Centre frequency be set as instructing contained interfering frequency, the bandwidth of filter is set as instructing contained jamming bandwidth, and will
The output of filter normalizes, and the maximum value for exporting filter is equal to expiring for digital analog converter contained by Multifunctional radio-frequency transceiver
Range input, and the retransmitted jamming power control word contained multiplied by instruction；If the contained retransmitted jamming of instruction, which enables field, not to be made
Energy retransmitted jamming, the output perseverance of this branch are 0；
If modulated interferer contained by instruction enables field and enables modulated interferer, pseudo-code generation module is according to contained by instruction
The pseudo-code generator polynomial initialization linear feedback shift register of modulated interferer generates pseudo-random sequence, contained by instruction
After the modulation of Modulation Types, by modulation output normalization, the maximum value for exporting modulation is equal to contained by Multifunctional radio-frequency transceiver
The full scale of digital converter inputs, then, and the modulated interferer power control word contained multiplied by instruction；If the contained tune of instruction
System interferes enabled field to be not enabled on modulated interferer, then the output perseverance of this branch is 0；
Finally, the signal of above three branch is summed, composite interference signal is generated, send to counter transmission channel and launches
It goes, completes to break through the intelligence of low target.
Specific embodiment are as follows:
Embodiment 1:
According to Fig. 1 and Fig. 2, in zone of protection, full frequency band passive detection and full frequency band counter integral system are
The integration station of common hardware, the i.e. detecting of composition full frequency band and full frequency band counter integration station, full frequency band Passive Detention System packet
The frequency spectrum detecting station of two frequency spectrum detection channel compositions is included, each frequency spectrum detection channel is that 75MHz-6GHz antenna connects low noise
Amplifier, low-noise amplifier connect Multifunctional radio-frequency transceiver；It includes two counter transmission channel groups that full frequency band, which breaks through system,
At counter station, each counter transmission channel is that 75MHz-6GHz antenna connects power amplifier, frequency spectrum detection channel and counter
Transmission channel shares Multifunctional radio-frequency transceiver, Multifunctional radio-frequency transceiver complete frequency conversion, gain control, filtering, digital to analog conversion,
Analog to digital conversion and calibration process, Multifunctional radio-frequency transceiver connect processor.
Each frequency spectrum detecting station can detect the radiofrequency signal in 75MHz-6GHz frequency range, and each counter station produces
Counter signal in 75MHz-6GHz frequency range, frequency spectrum detecting station and counter station are the integration stations of common hardware.Composition frequency
Two frequency spectrum detection channels at spectrum detecting station, the radiofrequency signal of each frequency spectrum detection channel successively pass through the broadband 75MHz-6GHz day
After the reception of line, the filtering of low-noise amplifier and amplification, it is sent into Multifunctional radio-frequency transceiver and completes frequency conversion, gain control, filter
Wave and analog to digital conversion are sent into processor after the processing of Multifunctional radio-frequency transceiver；Each counter station is logical containing two counter transmittings
Road, it is each counter transmission channel processor generate counter digital signal after, be sent into Multifunctional radio-frequency transceiver complete frequency conversion, increase
Benefit control, filtering and analog to digital conversion are sent into power amplifier and antenna after the processing of Multifunctional radio-frequency transceiver, complete counter signal
It generates.
Embodiment 2:
According to Fig.4, in zone of protection, full frequency band passive detection and full frequency band counter integral system are to share firmly
The integration station of part, the i.e. detecting of composition full frequency band and full frequency band counter integration station, full frequency band Passive Detention System includes four
The frequency spectrum of frequency spectrum detection channel composition detects station, and each frequency spectrum detection channel is that 75MHz-6GHz antenna connects low noise amplification
Device, low-noise amplifier connect Multifunctional radio-frequency transceiver；It includes that four counter transmission channels form that full frequency band, which breaks through system,
Counter station, each counter transmission channel are that 75MHz-6GHz antenna connects power amplifier, frequency spectrum detection channel and counter transmitting
Channel uses a Multifunctional radio-frequency transceiver respectively, and Multifunctional radio-frequency transceiver completes frequency conversion, gain control, filtering, digital-to-analogue
Transformation, analog to digital conversion and calibration process, two Multifunctional radio-frequency transceivers are separately connected processor.
Embodiment 3:
According to Fig.5, full frequency band passive detection and full frequency band counter integral system are the integration stations of common hardware,
That is the detecting of composition full frequency band and full frequency band counter integration station, full frequency band Passive Detention System includes two frequency spectrum detection channel groups
At frequency spectrum detect station, detecting frequency range extends to 75MHz-30GHz, and each radio frequency counter, which is stood, produces 75MHz-30GHz
Counter signal in frequency range, frequency spectrum detection channel contain two receiving channels, and each receiving channel is divided into 75MHz-6GHz branch
Road and 6GHz-30GHz branch, 75MHz-6GHz branch are that 75MHz-6GHz broad-band antenna connects low-noise amplifier, low noise
Single-pole double-throw switch (SPDT) after amplifier connection, single-pole double-throw switch (SPDT) connect filter, and 6GHz-30GHz branch is 6GHz-30GHz wide
Band antenna connects low-noise amplifier, and low-noise amplifier connects frequency converter, and frequency converter connects single-pole double-throw switch (SPDT), single-pole double throw
Switch connection filter, two filters connect Multifunctional radio-frequency transceiver；It breaks through transmission channel and contains two transmission channels, each
Transmission channel is divided into 75MHz-6GHz branch and 6GHz-30GHz branch, and 75MHz-6GHz branch is 75MHz-6GHz broad-band antenna
Power amplifier is connected, power amplifier connects filter, and filter connects single-pole double-throw switch (SPDT), and 6GHz-30GHz branch is
6GHz-30GHz broad-band antenna connects power amplifier, and power amplifier connects filter, and filter connects frequency converter, frequency converter
Single-pole double-throw switch (SPDT) is connected, two single-pole double-throw switch (SPDT)s connect Multifunctional radio-frequency transceiver, Multifunctional radio-frequency transceiver junction
Manage device.
Embodiment 4:
According to Fig.6, full frequency band passive detection and full frequency band counter integral system are the integration stations of common hardware,
That is the detecting of composition full frequency band and full frequency band counter integration station, full frequency band Passive Detention System includes four frequency spectrum detection channel groups
At frequency spectrum detect station, detecting frequency range extends to 75MHz-30GHz, and each radio frequency counter, which is stood, produces 75MHz-30GHz
Counter signal in frequency range, frequency spectrum detection channel contain four receiving channels, and each receiving channel is divided into 75MHz-6GHz branch
Road and 6GHz-30GHz branch, 75MHz-6GHz branch are that 75MHz-6GHz broad-band antenna connects low-noise amplifier, low noise
Single-pole double-throw switch (SPDT) after amplifier connection, single-pole double-throw switch (SPDT) connect filter, and 6GHz-30GHz branch is 6GHz-30GHz wide
Band antenna connects low-noise amplifier, and low-noise amplifier connects frequency converter, and frequency converter connects single-pole double-throw switch (SPDT), single-pole double throw
Switch connection filter, two filters connect Multifunctional radio-frequency transceiver；It breaks through transmission channel and contains four transmission channels, each
Transmission channel is divided into 75MHz-6GHz branch and 6GHz-30GHz branch, and 75MHz-6GHz branch is 75MHz-6GHz broad-band antenna
Power amplifier is connected, power amplifier connects filter, and filter connects single-pole double-throw switch (SPDT), and 6GHz-30GHz branch is
6GHz-30GHz broad-band antenna connects power amplifier, and power amplifier connects filter, and filter connects frequency converter, frequency converter
Single-pole double-throw switch (SPDT) is connected, two single-pole double-throw switch (SPDT)s connect Multifunctional radio-frequency transceiver, frequency spectrum detection channel and counter transmitting
Channel uses a Multifunctional radio-frequency transceiver respectively, and two Multifunctional radio-frequency transceivers are separately connected processor.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. a kind of full frequency band passive detection and full frequency band break through integral system, it is characterised in that: including full frequency band passive detection
System and full frequency band break through system, and the full frequency band Passive Detention System includes at least one frequency spectrum detection channel, frequency spectrum detecting
Channel includes the low-noise amplifier for connecting antenna；The full frequency band counter system includes at least one counter transmission channel, instead
Transmission channel processed includes the power amplifier for connecting antenna, and the low-noise amplifier connection Multifunctional radio-frequency of the detection channel is received
Device is sent out, the transmission channel power amplifier connects Multifunctional radio-frequency transceiver, and Multifunctional radio-frequency transceiver connects processor.
2. a kind of full frequency band passive detection according to claim 1 and full frequency band break through integral system, it is characterised in that:
Frequency spectrum detection channel and the bandwidth of counter transmission channel are 75MHz-30GHz, and the Multifunctional radio-frequency transponder chip is
One of AD9361, ADRV9009 or ADRV9008.
3. a kind of full frequency band passive detection according to claim 1 or 2 and full frequency band break through integral system, feature exists
In: the frequency spectrum detection channel contains two receiving branch, is divided into 75MHz-6GHz branch and 6GHz-30GHz branch, described
75MHz-6GHz branch is 75MHz-6GHz broad-band antenna, low-noise amplifier accesses single-pole double-throw switch (SPDT) after being linked in sequence, institute
Stating 6GHz-30GHz branch is access hilted broadsword pair after 6GHz-30GHz broad-band antenna, low-noise amplifier, frequency converter sequential connection
Throw switch, the single-pole double-throw switch (SPDT) connect Multifunctional radio-frequency transceiver by filter.
4. a kind of full frequency band passive detection according to claim 3 and full frequency band break through integral system, it is characterised in that:
The counter transmission channel contains two branches, is divided into 75MHz-6GHz branch and 6GHz-30GHz branch, the 75MHz-6GHz
Branch is 75MHz-6GHz broad-band antenna, power amplifier, filter access single-pole double-throw switch (SPDT) after being linked in sequence, described
6GHz-30GHz branch is 6GHz-30GHz broad-band antenna, power amplifier, filter, frequency converter access hilted broadsword after being linked in sequence
Commutator, the single-pole double-throw switch (SPDT) connect Multifunctional radio-frequency transceiver.
5. full frequency band passive detection and the detection of full frequency band counter integral system and counter method in a kind of claim 1-4,
It is characterized by comprising following steps:
Q1, full frequency band Passive Detention System carry out narrowband Hua Chu to the broadband signal of the received low target of frequency spectrum detection channel
Reason, then, it is determined that have no signal, it is then determined the characteristic parameter of signal, finally, judging that signal source is according to signal characteristic
No is to swarm into target；
Q2, it such as determines that signal source is the radiofrequency signal for swarming into target, full frequency band Passive Detention System whole frequency spectrum is detected logical
The signal characteristic in road is matched, and determines that same target of swarming into the signal characteristic of different spectral detection channel, is rushed using same
Enter target in the signal characteristic of different spectral detection channel, determines the airspace attribute for swarming into target；
Q3, it determines counter channel, and generates counter corresponding with echo signal feature is swarmed into according to clarification of objective parameter is swarmed into
Instruction breaks through the selected counter transmission channel of system by full frequency band and emits inverted signal, completes the counter to target is swarmed into.
6. full frequency band passive detection according to claim 5 and the detection of full frequency band counter integral system and counter side
Method, it is characterised in that: in the Q1, in processor, to the received broadband signal of frequency spectrum detection channel using Fourier in short-term
Transformation carries out narrowband processing, and broadband signal is transformed into the road P narrow band signal, wherein P is the natural number not less than 16；True
When having no signal surely, the amplitude by calculating the road P narrow band signal is realized, specifically: amplitude and pre-determined threshold to the road P signal into
Row compares, and when the amplitude of narrow band signal is greater than thresholding, that is, is determined with signal, and record determines the system time having in the presence of signal,
I.e. signal reaches the time；When determining signal characteristic, intermediate channels existing for signal will be consecutively detected in the narrow band signal of the road P
Centre frequency of the centre frequency as signal, to judge the received broadband of frequency spectrum detection channel according to the signal characteristic detected
Whether signal is the signal for swarming into target.
7. full frequency band passive detection according to claim 5 and the detection of full frequency band counter integral system and counter side
Method, it is characterised in that: in the Q2, according to the signal for swarming into target after completing signal pairing, mesh is swarmed into successful matching
Mark swarms into the position or orientation of target using reaching time difference algorithm and calculating, so that it is determined that swarming into the airspace attribute of target.
8. full frequency band passive detection according to claim 5 and the detection of full frequency band counter integral system and counter side
Method, it is characterised in that: in the Q3, when determining counter channel, break through instruction outside counter channel selecting system and determine or by handling
Device intelligence determines, processor using included angle of straight line method calculate each counter channel phases center arrive swarm into the line of target with instead
The angle of antenna normal direction in channel processed selects the smallest counter channel of angle as the channel for implementing counter.
9. full frequency band passive detection according to claim 5 and the detection of full frequency band counter integral system and counter side
Method, it is characterised in that: outside system or full when generating counter signal corresponding with echo signal feature is swarmed into the Q3
Under the control of frequency range Passive Detention System counter instruction, processor generates counter signal, the specific field that counter instruction includes are as follows:
GPS interference is enabled, GLONASS interference is enabled, Beidou interference is enabled, Galileo interference is enabled, retransmitted jamming is enabled, modulation is dry
Disturb enabled, complex navigation jamming power control word, retransmitted jamming power control word, modulated interferer power control word, modulated interferer
Modulation Types, the pseudo-code generator polynomial of modulated interferer, GPS pseudo-code serial number, Beidou pseudo-code serial number, Galileo pseudo-code serial number,
GLONASS pseudo-code serial number, interfering frequency, jamming bandwidth；
If the contained GPS of instruction interferes enabled field to enable GPS interference, GPS pseudo-code generation module is enabled, according to contained by instruction
GPS pseudo-code serial number, GPS pseudo-code generator polynomial as defined in load standard generates GPS pseudo-code, after BPSK is modulated, output ±
1 pseudo-random sequence indicated；
If the contained GLONASS of instruction interferes enabled field to enable GLONASS interference, GLONASS pseudo-code generation module is enabled,
The GLONASS pseudo-code serial number contained according to instruction, the GLONASS pseudo-code generator polynomial for loading standard generate GLONASS pseudo-code,
The pseudo-random sequence that output ± 1 indicates；
If the contained GLONASS of instruction interferes enabled field to be not enabled on GLONASS interference, GLONASS pseudo-code generation module
Exporting constant is 0；If the contained Beidou of instruction interferes enabled field to enable Beidou interference, Beidou pseudo-code generation module is enabled,
The Beidou pseudo-code serial number contained according to instruction, the Beidou pseudo-code generator polynomial for loading standard generate Beidou pseudo-code, export ± 1 table
The pseudo-random sequence shown；
If the contained Beidou of instruction interferes enabled field to be not enabled on Beidou interference, the output of Beidou pseudo-code generation module is constant to be
0；
If the contained Galileo of instruction interferes enabled field to enable Galileo interference, Galileo pseudo-code generation module is enabled,
The Galileo pseudo-code serial number contained according to instruction, the Galileo pseudo-code generator polynomial for loading standard generate Galileo pseudo-code,
The pseudo-random sequence that output ± 1 indicates；
If the contained Galileo of instruction interferes enabled field to be not enabled on Galileo interference, Galileo pseudo-code generation module
Exporting constant is 0；Then, by GPS pseudo-code generation module, GLONASS pseudo-code generation module, Beidou pseudo-code generation module,
The output of Galileo pseudo-code generation module is summed；Then, to and signal normalization, make its maximum value equal to Multifunctional radio-frequency receive
Send out the full scale input of digital analog converter contained by device, and the complex navigation jamming power control word contained multiplied by instruction；
If the contained retransmitted jamming of instruction enables field and enables retransmitted jamming, signal will be received through wave filter, in filter
Frequency of heart is set as instructing contained interfering frequency, and the bandwidth of filter is set as instructing contained jamming bandwidth, and will filtering
The output of device normalizes, and the maximum value for exporting filter is equal to the full scale of digital analog converter contained by Multifunctional radio-frequency transceiver
Input, and the retransmitted jamming power control word contained multiplied by instruction；Turn if the enabled field of the contained retransmitted jamming of instruction is not enabled on
Hair shaft is disturbed, and the output perseverance of this branch is 0；
If the contained modulated interferer of instruction enables field and enables modulated interferer, the modulation contained according to instruction of pseudo-code generation module
The pseudo-code generator polynomial initialization linear feedback shift register of interference generates pseudo-random sequence, by instructing contained modulation
After the modulation of pattern, by modulation output normalization, the maximum value for exporting modulation is equal to number contained by Multifunctional radio-frequency transceiver
The full scale of converter inputs, then, and the modulated interferer power control word contained multiplied by instruction；If the contained modulation of instruction is dry
It disturbs enabled field and is not enabled on modulated interferer, then the output perseverance of this branch is 0；
Finally, the signal of above three branch is summed, composite interference signal is generated, send to counter transmission channel and launches,
It completes to break through the intelligence of low target.
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