CN109901150A - A kind of multifunction array radar device and its detection method - Google Patents
A kind of multifunction array radar device and its detection method Download PDFInfo
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Abstract
It include antenna feeder extension set, Transceiver, frequency synthesis and system monitoring extension set, integrated signal and information processing extension set, synthesis display and control extensions and power supply extension set the present invention relates to a kind of multifunction array radar device；Antenna feeder extension set includes radar front and aerial network, and antenna feeder extension set completes the radiation and reception to electromagnetic wave signal；Electromagnetic signal is carried out digital-to-analogue conversion and Up/Down Conversion by Transceiver；Frequency synthesis and system monitoring extension set generate pumping signal, system clock and local oscillator, and carry out system monitoring；Integrated signal and information processing extension set complete Wave beam forming, Radar Signal Processing and data processing；Synthesis display and control extensions are used for human-computer interaction, and information is shown；Power supply extension set provides DC power supply.The present invention can obtain the real time information of all aerial targets by primary radar and secondary radar data fusion, form target integrated information message and comprehensive situation information, and carry out intergrated information display and report.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of multifunction array radar devices and its detection method.
Background technique
With the rapid development of our country's economy and low altitude airspace is open, and civil aviaton, China, navigation and unmanned plane industry obtain
Fast development increases a large amount of airline carriers of passengers, navigation aircraft and low latitude unmanned plane every year.However, airspace sense correspondingly
Know ability and airspace management ability but wretched insufficiency, serious obstruction is produced to the promotion of airspace service efficiency, flies and pacifies to airspace
It causes and seriously threatens entirely, seriously lagged industry development.
1994, Heathrow Airport one frame Boeing-747 passenger plane in London crashed after having knocked a group pigeon, and 350 multiply on machine
It is objective all wrecked.2000, a Russian frame pacified 8 transporter engines and sucks a wild swan in the Congo's crash, caused 21 people
It is wrecked.In May, 2017, Shuangliu Airport, repeatedly found unmanned plane, threatened passenger plane normal flight, caused multi rack time flight delay.
It 2 months 2018, in the one illegal flight of frame oil electric mixed dynamic unmanned plane of Tangshan, Hebei Province, brings about great losses to military and civilian's boat.
Due to the lag of airspace management, a lot of aviation disasters are caused in worldwide every year, cause huge casualties
And economic loss.
It can be seen that carrying out accurate effectively detection to airflight target, real-time high-efficiency monitoring, shape are carried out to cooperative target
At real-time airspace flight posture information, for ensureing that there is the flight safety of army's boat, civil aviaton, navigation and unmanned plane important reality to anticipate
Justice.
Common apparatus cannot be considered in terms of the detection of airbound target and monitoring performance at present, there are adaptives capacity to environment poor, mesh
Mark detection accuracy is low, search data transfer rate is low, target capacity is small, target traceability is weak, surveillance coverage is insufficient and function at high cost
Few disadvantage.Ning Huansheng etc. proposes a kind of bird-exploring device [Ning Huansheng based on primary radar；Chen Weishi；Liu Wenming；Song Jianmin
Mobile radar bird-exploring device], it is only capable of two-dimensional detection airbound target, cooperative target cannot be monitored.Sun little Bo proposes one
Kind big visual field low-light low latitude unmanned plane detection device [a kind of big visual field low-light low latitude unmanned plane detection device of Sun little Bo], detection
Airbound target distance is close, and adaptive capacity to environment is weak, cannot monitor to cooperative target.All thunders etc. propose a kind of motor driven blank pipe
Secondary radar [Zhou Lei；It completely says just；Jin little Fei；Li Cheng；Ding Fei motor driven large size blank pipe secondary radar], it can be to there is airborne answer
The cooperation airbound target for answering equipment is monitored, but cannot be detected to non-cooperation airbound target.Existing radar installations lacks
It is provided simultaneously with the detection to noncooperative target and the surveillance coverage of cooperative target, acquired target information is few, and precision is low, cannot
Form complete airspace target situation information.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, providing a kind of multi-functional phased array thunder
Up to device and its detection method.
The technical solution adopted by the invention is as follows:
A kind of multifunction array radar device, phased-array radar device include antenna feeder extension set, Transceiver, frequency synthesis
With system monitoring extension set, integrated signal and information processing extension set, synthesis display and control extensions and power supply extension set；
The antenna feeder extension set includes radar front and aerial network, and the radar front includes primary radar array element and secondary
Radar array element, antenna feeder extension set complete the radiation and reception to electromagnetic wave signal；
The Transceiver includes transceiver channel, primary radar TR component and AD/DA, secondary radar TR component and AD/DA,
Electromagnetic signal is carried out digital-to-analogue conversion and Up/Down Conversion by Transceiver；
The frequency synthesis and system monitoring extension set include frequency synthesis and Systems Monitoring Unit, and frequency synthesis and monitoring divide
Machine generates pumping signal, system clock and local oscillator, and carries out system monitoring；
The integrated signal and information processing extension set include Digital Beam Formation Unit, signal processing unit and data processing
Unit completes Wave beam forming, Radar Signal Processing and data processing；
The synthesis display and control extensions are used for human-computer interaction, and information is shown；
The power supply extension set provides DC power supply for each extension set of system.
Further, the radar front is cylindrical front, and radar front includes M primary radar array element and M*L
Secondary radar array element is sequentially arranged on cylinder, M array element of every a line, each to be classified as an alignment battle array by circumferential arrangement, each
Uniformly L+1 array element of arrangement, each alignment battle array include a secondary radar array element and L primary radar array element to column.
Further, human-computer interaction input control parameter, control instruction needed for generation system works determine Working mould first
Formula and detection timing, then carry out primary radar detection operations, then carry out secondary radar monitoring work, then by primary radar and two
The Targets Dots track information that secondary radar obtains is merged, finally to the comprehensive message information of target and each extension set work shape of system
State information is shown.
Further, the operating mode of multifunction array radar device includes target search and two kinds of target following work
Mode.
Further, in target search operating mode, radar beam is according to the clockwise or inverse time for phased-array radar work
Needle successively uniform scanning, primary radar and secondary radar time-sharing work, first carry out primary radar target acquisition in an orientation,
Then the monitoring for carrying out secondary radar target, after the target acquisition and monitoring of completing an orientation, then successively carries out next side
The target acquisition and monitoring of position, obtain three-dimensional information, speed and the identity information of target；
Phased-array radar works in target following operating mode, according to target position, adjusts radar beam and is directed toward,
It is irradiated radar successively to multiple targets；Primary radar target acquisition is carried out first on one direction of target, then in mesh
Mark progress secondary radar targeted surveillance on a direction；The detection and monitoring of next target are successively carried out again, until completing to institute
There are the detection and monitoring of target, forms the comprehensive point track of target and identity information.
Further, radar scanning beam positional is divided into M wave position to 360 °.For primary radar, adjacent K column
Linear array works at the same time, and has L array element work in each column linear array, and the shared KL channel TR works at the same time, and K alignment battle array is closed in orientation
At a narrow beam, beam angle >=360 °/M form Q wave beam simultaneously to space radiated electromagnetic wave in pitching, and pass through
Digital beam forming technology forms Q reception wave beam, 1≤Q < L；
For secondary radar, adjacent K alignment battle array is worked at the same time in orientation, and a narrow beam is synthesized in orientation, and wave beam is wide
>=360 °/M is spent, single array element forms a broad beam to space radiated electromagnetic wave in pitching, and receives secondary radar response letter
Number.
Further, the primary radar in multifunction array radar device and secondary radar are using different frequency range transmitting electricity
Magnetostatic wave signal, time-sharing work include the following steps
Step 1: control instruction is generated
Step 2: primary radar work first generates transmitting signal, then carries out the transmitting of primary radar signal and reception, is formed
Primary radar receives wave beam, then carries out the Data Data processing and information processing of primary radar, and to the work shape of primary radar
State is monitored；
Step 3: secondary radar work first generates request signal, then carry out the transmitting of secondary radar request signal and reception,
It forms secondary radar and receives wave beam, then carry out signal resolution and the data processing of secondary radar, and to the work shape of secondary radar
State is monitored；
Step 4: primary radar and the fusion of secondary radar information and information are shown.
Further, step 1 specifically includes: synthesis display and control extensions carry out human-computer interaction, carry out to radar parameter
Setting, converts external input order, generates various control instructions needed for system works；
In step 2 the primary radar course of work include: first frequency synthesis generate primary radar pumping signal, then by
DA carries out digital-to-analogue conversion, is carried out upconverting to radio frequency by primary radar TR component, aerial network forms Q launching beam, by one
Secondary radar array element is to space radiated electromagnetic wave；Primary radar array element reception space reflects radar echo signal, by primary radar
TR component carries out down coversion, is sampled by AD, and echo digital signal is formed；Then digital beam froming, the side of obtaining are carried out
Position and wave beam, orientation difference beam and Q pitching receive wave beam；Signal processing unit carries out signal processing to each wave beam, obtains
Target original point mark information；Then Plot coherence is carried out to original point mark information and Track In Track is handled, extract target information three
Position, velocity information are tieed up, primary radar targetpath information is formed；Frequency synthesis and system control extensions are to each point of primary radar
The working condition of module is monitored, and is formed monitoring information and is reached synthesis display and control extensions；
The secondary radar course of work includes: to generate secondary radar request signal by frequency synthesis first in the step 3；
Then digital-to-analogue conversion is carried out by DA, carries out upconverting to radio frequency by secondary radar TR component；Simple beam is formed by aerial network, by
Secondary radar array element is to space radiated electromagnetic wave；Then secondary radar answer signal is received by secondary radar array element, by two
Secondary radar TR component carries out down coversion, is sampled by AD, and echo digital signal is formed；Then Wave beam forming, data are carried out
Parsing, Plot coherence, Track In Track obtain target position, speed, identity information, form secondary radar targetpath information；Frequently
Rate is comprehensive and system control extensions are monitored the working condition of each sub-module of secondary radar, forms monitoring information and reaches synthesis
Display and control extensions；
Further, primary radar and the fusion of secondary radar information and information are shown that specific method includes: signal processing
Unit carries out isomeric data depth to the primary radar target point track information and secondary radar target point track information of acquisition and melts
Conjunction processing obtains the comprehensive message information of target and flight posture information, and is uploaded to synthesis display and control extensions, synthesis display
The comprehensive message information of target and working state of system message information are parsed with control extensions, to each extension set work state information of system
It is shown, real-time display is carried out to the comprehensive message information of target, the system failure is alerted, by real-time flight situation information
It is uploaded to other monitoring centers.
Compared with prior art, having the beneficial effect that by adopting the above technical scheme
(1) multifunction array radar is designed using primary radar and secondary radar compages, and system composed structure is more
Step up to gather, the aobvious control of the time sharing shared frequency synthesis unit of the two, Signal and Information Processing unit, power supply unit and integrated information is single
Member, cost are lower.
(2) multifunction array radar use phase-array scanning system, be able to carry out airspace target search and multiple target with
Track, beam dispath is flexible, can be realized and scans in tracking, target tracking data rate is higher.
(3) primary radar of multifunction array radar and secondary radar use different frequency range signal, carry out time-sharing work,
The electromagnetic interference of the two is reduced, Electro Magnetic Compatibility is strong.
(4) multifunction array radar can round-the-clock all weather operations, aerial target is detected, target is obtained
Three-dimensional position and velocity information effectively monitor cooperation airbound target, obtain position, speed and the enrollment status letter of target
Breath, the two point track information is merged, more accurate and comprehensive target information can be obtained.
Detailed description of the invention
Fig. 1 multifunction array radar system composition of the present invention；
Fig. 2 multifunction array radar cylindrical array surface antenna of the present invention；
The multifunction radar target search procedure beam scanning schematic diagram of Fig. 3 embodiment of the present invention；
The multifunction radar object tracking process beam scanning schematic diagram of Fig. 4 embodiment of the present invention；
Primary radar pitching multi-beam antenna schematic diagram in Fig. 5 embodiment of the present invention；
Secondary radar pitching simple beam covers schematic diagram in Fig. 6 embodiment of the present invention；
Search pattern multifunction radar working timing figure in Fig. 7 embodiment of the present invention；
Tracing mode multifunction radar working timing figure in Fig. 8 embodiment of the present invention.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
The present invention is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of multifunction array radar device, phased-array radar device includes antenna feeder extension set, transmitting-receiving point
Machine, frequency synthesis and system monitoring extension set, integrated signal and information processing extension set, synthesis display and control extensions and power supply point
Machine；
The antenna feeder extension set includes radar front and aerial network, and the radar front includes primary radar array element and secondary
Radar array element, antenna feeder extension set complete the radiation and reception to electromagnetic wave signal；M, L is positive integer.
The Transceiver includes transceiver channel, including M* (L+1) a transceiver channel, and M (L+1) a array element corresponds to M (L+1)
A TR component and AD/DA, including M*L primary radar TR component and AD/DA, M secondary radar TR component and AD/DA,
The base band pumping signal that frequency synthesis generates is converted to analog signal by Transceiver, is formed and is penetrated by filtering, up-conversion, amplification
Frequency electromagnetic waves signal is to spatial emission；Down coversion and sampling are carried out to received radar echo signal, form digital baseband signal,
Extension set is provided for integrated signal and information processing, and data source is provided；
The frequency synthesis and system monitoring extension set include frequency synthesis and Systems Monitoring Unit, and frequency synthesis and monitoring divide
Machine generates pumping signal, system clock and local oscillator, and carries out system monitoring；
Frequency synthesis and system monitoring extension set generate the local oscillator that primary radar and secondary radar need, System Clock Reference,
Basic pumping signal and request signal, and each extension set working condition of system is monitored in real time, monitoring information is sent to comprehensive
Close display and control extensions；
The integrated signal and information processing extension set complete the digital beam froming to radar echo signal, primary radar letter
Number processing, the parsing of secondary radar data, Plot coherence, Heterogeneous Information fusion and Track In Track form the comprehensive report of target point track
Literary information；The synthesis display and control extensions finishing man-machine interaction, control radar system, comprehensive to the target of acquisition
Message information parsed and shown, and by real-time flight situation information, and is reported to other monitoring centers, while to system work
It is shown as state.
Power supply extension set is secondary power supply, receives from external alterating and direct current, forms various constant voltage DC secondary power supplies, be
Each extension set of radar system provides various DC power supplies.
In a preferred embodiment, as shown in Fig. 2, the radar front is cylindrical front, radar front includes M
Primary radar array element and M*L secondary radar array element are sequentially arranged on cylinder, and M array element of every a line is each by circumferential arrangement
It is classified as an alignment battle array, uniformly L+1 array element of arrangement, each alignment battle array include a secondary radar array element and L to each column
Primary radar array element.
In a preferred embodiment, the cylinder front of this programme had both can be used in radar antenna array element mode of structuring the formation, can also
Using hemisphere face is structured the formation, circular conical surface is structured the formation or round table surface is structured the formation.
In a preferred embodiment, a kind of detection method of multifunction array radar device, first human-computer interaction are defeated
Enter control parameter, control instruction needed for generation system works determines operating mode and detection timing, then carries out primary radar spy
Survey work, then carry out secondary radar monitoring work, then the Targets Dots track information that primary radar and secondary radar are obtained into
Row fusion finally shows the comprehensive message information of target and each extension set work state information of system.
In a preferred embodiment, the operating mode of multifunction array radar device include target search and target with
Two kinds of operating modes of track.Phased-array radar device works in target search pattern, and phased-array radar device is according to target search
Working sequence, successively sequential scan, search pattern multifunction radar working timing figure is as shown with 7；The work of phased-array radar device
In target following mode, radar installations is according to target following working sequence, and according to target the time is distributed in place orientation, makes target quilt
Lasting tracking, tracing mode multifunction radar working timing figure is as depicted in figure 8.
In a preferred embodiment, phased-array radar work is in target search operating mode, multifunction radar target
Search process beam scanning schematic diagram as shown in figure 3, radar beam according to successively uniform scanning clockwise or counterclockwise, a thunder
Up to secondary radar time-sharing work, first carry out primary radar target acquisition in an orientation, then carry out secondary radar target
Monitoring, after the target acquisition and monitoring of completing an orientation, then successively carry out the target acquisition and monitoring in next orientation, obtain
Take three-dimensional information, speed and the identity information of target；
Multifunction radar object tracking process beam scanning schematic diagram as shown in figure 4, phased-array radar work target with
When track operating mode, according to target position, adjusts radar beam and be directed toward, be irradiated radar successively to multiple targets；
Primary radar target acquisition is carried out first on one direction of target, and secondary radar target prison is then carried out on one direction of target
Depending on；The detection and monitoring of next target are successively carried out again, until completing the detection and monitoring to all targets, it is comprehensive to form target
Chalaza track and identity information.
In a preferred embodiment, radar scanning beam positional is divided into M wave position to 360 °.For a thunder
It reaches, adjacent K alignment battle array works at the same time, and K is positive integer, K < M/2, has L array element work in each column linear array, therefore work at the same time
Primary radar array number be KL, the shared KL channel TR works at the same time, and K alignment battle array synthesizes a narrow beam in orientation,
Beam angle >=360 °/M form Q wave beam simultaneously to space radiated electromagnetic wave in pitching, and pass through digital beam froming skill
Art forms Q reception wave beam, and pitching receives and dispatches wave beam as shown in figure 5, transmitting/receiving pitching wave beam number Q is positive integer, 1≤Q < L；
For secondary radar, adjacent K alignment battle array is worked at the same time in orientation, and a narrow beam is synthesized in orientation, and wave beam is wide
>=360 °/M is spent, single array element forms a broad beam to space radiated electromagnetic wave in pitching, and receives secondary radar response letter
Number, it is as shown in Figure 6 that wave beam is received and dispatched in pitching.
In a preferred embodiment, primary radar and secondary radar are electric using different frequency range transmitting in this multifunction radar
Magnetostatic wave signal, time-sharing work, reduce electromagnetic interference between the two, primary radar and secondary radar and worked using time division multiplexing mode,
Successively to the monitoring of the detection of extraterrestrial target and cooperative target, search, tracking and monitoring to extraterrestrial target, specific work are realized
Make process are as follows:
Step 1: control instruction is generated
Step 2: primary radar work first generates transmitting signal, then carries out the transmitting of primary radar signal and reception, is formed
Primary radar receives wave beam, then carries out the Data Data processing and information processing of primary radar, and to the work shape of primary radar
State is monitored；
Step 3: secondary radar work first generates request signal, then carry out the transmitting of secondary radar request signal and reception,
It forms secondary radar and receives wave beam, then carry out signal resolution and the data processing of secondary radar, and to the work shape of secondary radar
State is monitored；
Step 4: primary radar and secondary radar information are merged and are shown with information,.
In a preferred embodiment, step 1 specifically includes: synthesis display and control extensions carry out human-computer interaction, to thunder
It is configured up to parameter, external input order is converted, generate various control instructions needed for system works, including radar work
Operation mode instruction, radar self-checking command, the instruction of radar working sequence, synchronic command, beam scanning instruction, system monitoring instruction,
Information reporting and alarm command.
The primary radar course of work includes: in step 2
Generate transmitting signal: as shown in Figure 1, frequency synthesis generation system reference clock signal, the road K*L primary radar local oscillator
Signal and the road K*L primary radar base band pumping signal；
The transmitting of primary radar signal: the road the K*L primary radar base band pumping signal from frequency synthesis is counted by DA
Mould conversion, primary radar TR component is filtered the baseband transmission signal in K*L channel, attenuator control, amplifies and upper change
Frequently, radio frequency transmissions are formed, Q wave beam is formed by aerial network completes pitching and cover, primary radar array element is to space spoke
Penetrate radio frequency electromagnetic signal；Realize the transmitting of primary radar signal, radar signal can be used but be not limited to L-band, S-band, X-band
Signal.
Primary radar signal receives: the reflected electromagnetic wave signal of primary radar reception space, will by aerial network
The signal that primary radar array element receives is transferred to primary radar TR component, and primary radar TR component is filtered to signal is received
Wave, amplifies and is down-converted to intermediate-freuqncy signal at attenuator control, and AD samples intermediate-freuqncy signal, forms primary radar base band and returns
Wave digital signal；
Primary radar Wave beam forming: the beam forming unit carries out wave beam conjunction to primary radar base band echo digital signal
At formation primary radar echo bearing and wave beam, orientation difference beam and Q pitching receive wave beam；
Primary radar signal processing: the signal processing unit is again to primary radar echo bearing and wave beam, gun parallax wave
Beam and Q pitching receive wave beam and carry out the processing of row Moveing target indication, moving-target detection processing, clutter recognition processing, constant false alarm inspection
Processing and angle measurement processing are surveyed, the speed, distance, azimuth, pitch angle, amplitude information of target is obtained, forms the original of multiple targets
Initial point mark information；
Primary radar data processing: data processing unit carries out data to the original object point mark information that primary radar obtains
Processing, including Plot coherence and Track In Track processing, form targetpath information, and carry out at packing to targetpath information
Reason.
Working state of system monitoring: frequency synthesis and Systems Monitoring Unit to the working condition of each sub-module of primary radar into
Row monitoring forms monitoring information and reaches aobvious control center.
The secondary radar course of work includes: in the step 3
Generate request signal: frequency synthesis generates secondary radar System Clock Reference, the road K local oscillator and the road K baseband interrogation letter
Number.The transmitting of secondary radar request signal: DA carries out digital-to-analogue conversion to the K roadbed band request signal from frequency synthesis, forms base
Band analog signal；It is filtered by baseband interrogation signal of the secondary radar TR component to K channel, attenuator control, amplification
And up-conversion, secondary radar radio frequency interrogation signal is formed, aerial network forms 1 broad beam and completes pitching covering, secondary radar
Array element radiated radio frequency (RF) electromagnetic wave signal；Realize the transmitting of secondary radar request signal, radar signal can be used but be not limited to L-band, S
Wave band, X-band signal.
Secondary radar answer signal receives: secondary radar array element receives the secondary radar response letter that airborne answering machine issues
Number, aerial network forms a reception wave beam, and secondary radar TR component is filtered secondary radar answer signal, attenuator control
Intermediate frequency is made, amplified and be down-converted to, intermediate-freuqncy signal is sampled by AD, forms secondary radar echo baseband digital signal.
Secondary radar Wave beam forming: beam forming unit carries out Beam synthesis to secondary radar echo-signal, forms orientation
With wave beam, orientation difference beam；
Secondary radar signals parsing: signal processing unit parses secondary radar echo-signal, and to and wave beam and
Difference beam is handled, and target angle of arrival is measured, and obtains target position and identity information, forms target original point mark information；
Secondary radar data processing: data processing unit is condensed secondary radar target original point mark, and to cohesion
Point mark afterwards carries out Track In Track processing, forms secondary radar targetpath information；
System status monitoring: frequency synthesis and Systems Monitoring Unit carry out the working condition of each sub-module of secondary radar
Monitoring forms monitoring information and reaches synthesis display and control extensions.
In a preferred embodiment, primary radar and the fusion of secondary radar information and information are shown into specific method packet
Include: signal processing unit carries out isomery to the primary radar target point track information and secondary radar target point track information of acquisition
Data depth fusion treatment obtains the comprehensive message information of target and flight posture information, and is uploaded to synthesis display and control point
Machine, synthesis display and the comprehensive message information of control extensions parsing target and working state of system message information, to each extension set of system
Work state information is shown, is carried out real-time display to the comprehensive message information of target, is alerted the system failure, will be real-time
Flight posture information is uploaded to other monitoring centers.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (9)
1. a kind of multifunction array radar device, it is characterised in that: phased-array radar device includes antenna feeder extension set, transmitting-receiving point
Machine, frequency synthesis and system monitoring extension set, integrated signal and information processing extension set, synthesis display and control extensions and power supply point
Machine；
The antenna feeder extension set includes radar front and aerial network, and the radar front includes primary radar array element and secondary radar
Array element, antenna feeder extension set complete the radiation and reception to electromagnetic wave signal；
The Transceiver includes transceiver channel, primary radar TR component and AD/DA, secondary radar TR component and AD/DA, transmitting-receiving
Electromagnetic signal is carried out digital-to-analogue conversion and Up/Down Conversion by extension set；
The frequency synthesis and monitoring extension set generate pumping signal, system clock and local oscillator, and carry out system monitoring；
The integrated signal and information processing extension set include Digital Beam Formation Unit, signal processing unit and data processing list
Member completes Wave beam forming, Radar Signal Processing and data processing；
The synthesis display and control extensions are used for human-computer interaction, and information is shown；
The power supply extension set provides DC power supply for each extension set of device.
2. a kind of multifunction array radar device as described in claim 1, it is characterised in that:
The radar front is cylindrical front, radar front include M primary radar array element and M*L secondary radar array element according to
Secondary to be arranged on cylinder, M array element of every a line is each to be classified as an alignment battle array, each uniform arrangement L+1 of column by circumferential arrangement
A array element, each alignment battle array include a secondary radar array element and L primary radar array element.
3. a kind of detection method of multifunction array radar device, it is characterised in that: human-computer interaction input control parameter first,
Control instruction needed for generation system works determines operating mode and detection timing, then progress primary radar detection operations, then into
Row secondary radar monitors work, then the Targets Dots track information that primary radar and secondary radar obtain is merged, finally
The comprehensive message information of target and each extension set work state information of system are shown.
4. a kind of detection method of multifunction array radar device as claimed in claim 3, it is characterised in that: multi-functional phase
The operating mode for controlling battle array radar installations includes two kinds of operating modes of target search and target following.
5. a kind of detection method of multifunction array radar device as claimed in claim 4, it is characterised in that:
Phased-array radar works in target search operating mode, and radar beam according to successively uniformly sweeping clockwise or counterclockwise
It retouches, primary radar and secondary radar time-sharing work first carry out primary radar target acquisition in an orientation, then carry out secondary
The monitoring of radar target after the target acquisition and monitoring of completing an orientation, then successively carries out the target acquisition in next orientation
With monitoring, three-dimensional information, speed and the identity information of target are obtained；
Phased-array radar works in target following operating mode, according to target position, adjusts radar beam and is directed toward, make thunder
It is successively irradiated up to multiple targets；Primary radar target acquisition is carried out first on one direction of target, then in target one
Secondary radar targeted surveillance is carried out on direction；Then, after carrying out primary radar target acquisition on two direction of target, in target two
Secondary radar targeted surveillance is carried out on direction, and so on, the detection and monitoring to all targets are completed, the comprehensive point of target is formed
Track and identity information.
6. a kind of detection method of multifunction array radar device as claimed in claim 5, it is characterised in that: radar scanning
Beam positional is divided into M wave position to 360 °；For primary radar, adjacent K alignment battle array is worked at the same time, and is had in each column linear array
The work of L array element, the shared KL channel TR work at the same time, and K alignment battle array synthesizes a narrow beam in orientation, and beam angle >=
360 °/M, Q wave beam is formed in pitching simultaneously to space radiated electromagnetic wave, and form Q by digital beam forming technology
Receive wave beam, 1≤Q < L；
For secondary radar, adjacent K alignment battle array is worked at the same time in orientation, one narrow beam of synthesis in orientation, and beam angle >=
360 °/M, single array element forms a broad beam to space radiated electromagnetic wave in pitching, and receives secondary radar answer signal.
7. a kind of detection method of multifunction array radar device as claimed in claim 3, it is characterised in that: multi-functional phase
Control battle array radar installations in primary radar and secondary radar use different frequency range electromagnetic signals, time-sharing work, including with
Lower step:
Step 1: control instruction is generated；
Step 2: primary radar work first generates transmitting signal, then carries out the transmitting of primary radar signal and reception, is formed primary
Radar receive wave beam, then carry out primary radar Data Data processing and information processing, and to the working condition of primary radar into
Row monitoring；
Step 3: secondary radar work first generates request signal, then carry out the transmitting of secondary radar request signal and reception, is formed
Secondary radar receives wave beam, then carries out signal resolution and the data processing of secondary radar, and to the working condition of secondary radar into
Row monitoring；
Step 4: primary radar and the fusion of secondary radar information and information are shown.
8. a kind of detection method of multifunction array radar device as claimed in claim 6, it is characterised in that:
Step 1 specifically includes: synthesis display and control extensions carry out human-computer interaction, are configured to radar parameter, to external defeated
Enter order to be converted, generates various control instructions needed for system works；
In step 2 the primary radar course of work include: first frequency synthesis generate primary radar pumping signal, then by DA into
Row digital-to-analogue conversion is carried out upconverting to radio frequency by primary radar TR component, and aerial network forms Q launching beam, You Yici thunder
Up to array element to space radiated electromagnetic wave；Primary radar array element reception space reflects radar echo signal, by primary radar TR group
Part carries out down coversion, is sampled by AD, and echo digital signal is formed；Then carry out digital beam froming, obtain orientation and
Wave beam, orientation difference beam and Q pitching receive wave beam；Signal processing unit carries out signal processing to each wave beam, obtains target
Original point mark information；Then Plot coherence is carried out to original point mark information and Track In Track is handled, extract target information three-dimensional position
It sets, velocity information, forms primary radar targetpath information；Frequency synthesis and system control extensions are to each sub-module of primary radar
Working condition be monitored, formed monitoring information reach synthesis display and control extensions；
The secondary radar course of work includes: to generate secondary radar request signal by frequency synthesis first in the step 3；Then
Digital-to-analogue conversion is carried out by DA, carries out upconverting to radio frequency by secondary radar TR component；Simple beam is formed by aerial network, by secondary
Radar array element is to space radiated electromagnetic wave；Then secondary radar answer signal is received by secondary radar array element, by secondary thunder
Down coversion is carried out up to TR component, is sampled by AD, echo digital signal is formed；Then Wave beam forming is carried out, data parse,
Plot coherence, Track In Track obtain target position, speed, identity information, form secondary radar targetpath information；Frequency is comprehensive
It closes and system control extensions is monitored the working condition of each sub-module of secondary radar, form monitoring information and reach synthesis display
With control extensions.
9. as claim 3 or a kind of detection method of multifunction array radar device as claimed in claim 7, feature exist
In: primary radar and the fusion of secondary radar information and information are shown that specific method includes: signal processing unit to the one of acquisition
Secondary radar target point track information and secondary radar target point track information carry out the processing of isomeric data depth integration, obtain target
Comprehensive message information and flight posture information, and it is uploaded to synthesis display and control extensions, synthesis display and control extensions parse
The comprehensive message information of target and working state of system message information, show each extension set work state information of system, to mesh
It marks comprehensive message information and carries out real-time display, the system failure is alerted, real-time flight situation information is uploaded to other prisons
Control center.
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| CN116743275B (en) * | 2023-08-08 | 2023-11-24 | 南京新频点电子科技有限公司 | Vehicle-mounted high-mobility radar signal comprehensive simulation device |
| CN116893413A (en) * | 2023-09-11 | 2023-10-17 | 中国电子科技集团公司信息科学研究院 | Distributed real-aperture airborne early warning radar detection system and method |
| CN116893413B (en) * | 2023-09-11 | 2023-12-01 | 中国电子科技集团公司信息科学研究院 | Distributed real-aperture airborne early warning radar detection system and method |
| CN116953681A (en) * | 2023-09-20 | 2023-10-27 | 成都智芯雷通微系统技术有限公司 | Spherical phased array radar |
| CN116953681B (en) * | 2023-09-20 | 2023-12-12 | 成都智芯雷通微系统技术有限公司 | Spherical phased array radar |
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