CN109557543A - A kind of meteorological detection based on orientation rotation phased-array radar and targeted surveillance method - Google Patents
A kind of meteorological detection based on orientation rotation phased-array radar and targeted surveillance method Download PDFInfo
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- CN109557543A CN109557543A CN201811427413.2A CN201811427413A CN109557543A CN 109557543 A CN109557543 A CN 109557543A CN 201811427413 A CN201811427413 A CN 201811427413A CN 109557543 A CN109557543 A CN 109557543A
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- targeted surveillance
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- meteorological detection
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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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
It include N number of targeted surveillance period by a meteorological detection period the invention discloses a kind of meteorological detection based on orientation rotation phased-array radar and targeted surveillance method, and the targeted surveillance period is overlapped with radar bearing machinery swing circle；When executing the i-th circle targeted surveillance in a meteorological detection period, to distribute residence time in each orientation, and the scan method of time-division multiplex is all made of to each orientation, it i.e. to the targeted surveillance scanning beam emitted in each orientation from the 1st wave position to M wave position, and is α to the angle number for also emitting a pitch angle in each orientationiMeteorological detection scanning beam, and the angle number α of the pitch angle of the meteorological detection scanning beam in a meteorological detection periodiThe complete meteorological scanning of accumulative satisfaction one.The present invention had not only effectively solved the problems, such as merging for targeted surveillance and meteorological detection, but also the technical issues of solve the meteorological detection period and occupy a circle targeted surveillance period target is caused to be easily lost.
Description
Technical field
The present invention relates to phased array technology field, especially a kind of meteorological spy based on orientation rotation phased-array radar
It surveys and targeted surveillance method.
Background technique
Orientation rotation phased-array radar has the advantage of low cost with high flexibility, same using orientation rotation phased-array radar
Shi Shixian meteorological detection and targeted surveillance function, greatly to promote the practical performance of radar.But targeted surveillance functional requirement
Radar scanning rate is very high, meteorological detection functional requirement radar residence time long enough, therefore, if orientation rotation phased-array radar
Meteorological detection and targeted surveillance function are realized simultaneously, then it is gentle to need to guarantee that the design of residence time combines targeted surveillance
As the requirement of detection.
Through retrieving, Chinese patent literature Publication No. CN103869309A discloses a kind of orientation rotation phased-array radar mesh
Mark monitoring and meteorological detection compatibility method and system propose and enclose targeted surveillance mode and a circle meteorological detection mode phase using X
Mutually alternate to execute method, the method can solve the high sweep speed and meteorological detecting function requirement of targeted surveillance functional requirement
Long dwell times between contradiction, still, the method is there is also notable defect, when the targeted surveillance mode of scanning experience X circle
Into when meteorological detection, due to lacking a frame targeted surveillance picture, target following is caused when so as to cause to target acquisition especially
Adverse effect, in Small object injection unmanned plane, the helicopter etc. in face of high maneuverability, track is difficult to mutually shut, and is easy to
There is the case where target is lost.
Summary of the invention
In order to overcome above-mentioned defect in the prior art, the present invention provides a kind of gas based on orientation rotation phased-array radar
It as detection and targeted surveillance method, had not only effectively solved the problems, such as merging for targeted surveillance and meteorological detection, but also has solved meteorology
The technical issues of one circle targeted surveillance period of detection cycle occupancy causes target to be easily lost, present invention is alternatively directed to emphasis to mark mesh
Index the tracking into " burn-through " mode, for reinforcing marking emphasis target.
To achieve the above object, the present invention uses following technical scheme, comprising:
One meteorological detection period includes N number of targeted surveillance period, and the targeted surveillance period and radar bearing machinery revolve
The turn-week phase is overlapped, i.e. radar machinery rotation N circle in a meteorological detection period, and the rotation of each circle radar machinery is all a mesh
Mark monitoring period；
In executing the radar machinery rotation that a meteorological detection period is total N circle, when the rotation of radar machinery is enclosed in execution i-th
When the i.e. i-th circle targeted surveillance, 1≤i≤N distributes residence time in each orientation of the i-th circle targeted surveillance, and to every
One orientation is all made of the scan method of time-division multiplex；
The scan method of the time-division multiplex are as follows: to the mesh emitted in each orientation from the 1st wave position to M wave position
Mark monitoring scanning beam, each wave position represents a pitch angle；And in each orientation also emit a pitch angle
Angle number be αiMeteorological detection scanning beam, and the covering of meteorological detection scanning beam that each circle targeted surveillance is emitted
The complete meteorological scanning of accumulative satisfaction one of region.
Progressive overlapping is followed successively by the targeted surveillance scanning beam that M wave position terminates since the 1st wave position.
When carrying out pitch angle estimation to detection target, if target falls in the targeted surveillance scanning beam of two adjacent wave positions
Overlapping region in, i.e. the targeted surveillance scanning beam of the two adjacent wave positions has the echo information of the target, then passes through this
The ratio width of the intensity of the target echo information of the targeted surveillance scanning beam of two adjacent wave positions estimates the pitch angle of target
Angle number；If target is fallen in the region of the targeted surveillance scanning beam of the 1st wave position or M wave position, in the 1st wave position
The angle number of the centre normal of heart normal or M wave position as the target the upward pitch angle in the orientation angle number.
When a certain target in space certain go out near region continuously to occur and track consecutive hours, then pass through the aobvious control point of terminal
System carries out emphasis label to the target, and to emphasis label target in next targeted surveillance period, that is, next circle radar machine
The position of tool rotation is estimated, and is obtained estimating for emphasis label target and azimuth and is estimated pitch angle；
In the rotation of next targeted surveillance period, that is, next circle radar machinery, respectively with the side that estimates azimuth and intersect
It upwards, and is scanned respectively to the targeted surveillance for estimating pitch angle progress " burn-through " mode that pitch angle intersects position；And in the circle
Radar machinery rotation in, do not change it is original the circle radar machinery rotation in meteorological detection scanning.
The present invention has the advantages that
(1) present invention had not only effectively solved the problems, such as merging for targeted surveillance and meteorological detection, but also solved meteorological detection
The technical issues of one circle targeted surveillance period of period occupancy causes target to be easily lost.
(2) present invention introduces " burn-through " mode for emphasis label target, the tracking for reinforcing marking emphasis target.
Detailed description of the invention
Fig. 1 is the system architecture diagram of orientation rotation phased-array radar.
Fig. 2 is compatibility method schematic diagram of the invention.
It is the pitching beam pattern of beam scanning of the invention shown in Fig. 3.
It is the pitching beam pattern of " burn-through " Mode scans of the invention shown in Fig. 4.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention is based on the realization of orientation rotation phased-array radar, the orientation rotation phased-array radar packet
Include: antenna feeder subsystem, HF receiving subsystem, signal processing subsystem, Beam Control Subsystem, table servo subsystem, terminal are aobvious
Control subsystem and power subsystem.
Antenna feeder subsystem, the high-power RF signal for exporting radar T/R component are arrived through antenna array directed radiation
Space, receives echo-signal is through T/R component and sum-difference network into HF receiving subsystem during emitting the pulse spacing.
HF receiving subsystem obtains intermediate frequency echo letter for completing and the down coversion of poor two-way echo-signal, amplification, filtering
Number, the number of delivering letters processing subsystem.
Signal processing subsystem receives echo signal of intermediate frequency, carries out A/D sampling, number for generating full machine working sequence
Down coversion forms orthogonal I, Q signal, then carries out digital pulse compression, MTD/MTI filtering, CFAR processing to I, Q signal, formation
Original echo, which is made arrangements for his funeral, holds aobvious control subsystem.The instruction for receiving the aobvious control subsystem of terminal simultaneously, for controlling table servo subsystem
With Beam Control Subsystem.
Beam Control Subsystem receives the control parameter of signal processing subsystem forwarding, parses to it, and according to not
Same operating mode requirement calculates the direction phase shift code and decaying code that the elevation angle is directed toward needed for current task, by phase shift code and decaying
Code write-in T/R component forms radar antenna and completes the pitching scanning beam that required by task is wanted.
The aobvious control subsystem of terminal receives the original that signal processing subsystem is passed back by network using vehicle-mounted ruggedized computer
Beginning echo-signal forms filter point mark and track, and by signal processing subsystem, control Beam Control Subsystem is watched with turntable
Take subsystem.
Table servo subsystem receives the instruction of signal processing subsystem, control antenna rotation.
Power subsystem, for the every other subsystem and module for power supply in addition to the aobvious control subsystem of terminal.
It is turned around by table servo subsystem control azimuth rotating phased array radar machinery rotation i.e. antenna rotation of turning around
Several orientations are scanned, and pass through Beam Control Subsystem in each orientation also in the same orientation
Several pitch angles are scanned；The i.e. described orientation rotation phased-array radar machinery rotation is turned around, successively to several orientations
In each orientation on several pitch angle launching beams.
As shown in Figure 2, the compatibility method of orientation rotation phased-array radar are as follows:
One meteorological detection period includes N number of targeted surveillance period, and the targeted surveillance period and radar bearing machinery revolve
The turn-week phase is overlapped, i.e. radar machinery rotation N circle in a meteorological detection period, and each circle radar machinery rotation in this N circle
It is all a targeted surveillance period；
In executing the radar machinery rotation that a meteorological detection period is total N circle, when the rotation of radar machinery is enclosed in execution i-th
When the i.e. i-th circle targeted surveillance, 1≤i≤N distributes residence time in each orientation of the i-th circle targeted surveillance, and to every
One orientation is all made of the scan method of time-division multiplex；The scan method of the time-division multiplex are as follows: in each orientation
Targeted surveillance scanning beam of the transmitting from the 1st wave position to M wave position, each wave position represents a pitch angle；And it is right
The angle number for also emitting a pitch angle in each orientation is αiMeteorological detection scanning beam, and each circle targeted surveillance
The complete meteorological scanning of accumulative satisfaction one of the overlay area of meteorological detection scanning beam.
Fig. 3 is the pitching beam pattern of the upward beam scanning in a certain orientation of the radar again in the targeted surveillance period,
Progressive overlapping is followed successively by the targeted surveillance scanning beam that M wave position terminates since the 1st wave position；It is described it is progressive be laminated in it is adjacent
The pitch angle of wave position gradually increases, and there is lap in the overlay area of the targeted surveillance scanning beam of adjacent wave position.Right
When detecting target progress pitch angle estimation, if target falls in the overlapping region of the targeted surveillance scanning beam of two adjacent wave positions
Interior, i.e. the targeted surveillance scanning beam of the two adjacent wave positions has the echo information of the target, then passes through two echo letters
The ratio width of the intensity of breath estimates the angle number of the pitch angle of target；If target falls in the targeted surveillance of the 1st wave position or M wave position
When in the region of scanning beam, then using the angle number of the centre normal of the 1st wave position or the centre normal of M wave position as the target
In the angle number of the upward pitch angle in the orientation.
And as shown in Figure 3, in the orientation other than transmitting has the targeted surveillance scanning beam of the 1st wave position to M wave position,
Also transmitting has a meteorological detection scanning beam.
Continuously occur near a certain target in space somewhere region and track consecutive hours, i.e., continuous several circle mesh
Mark monitoring continuously can find the target near the region of somewhere in space, then by the aobvious control subsystem of terminal to the target into
Row emphasis label, and to the emphasis label target the position that next targeted surveillance period, that is, next circle radar machinery rotates into
Row is estimated, and is obtained estimating for emphasis label target and azimuth and is estimated pitch angle.As shown in Figure 4, in next targeted surveillance week
When phase, that is, next circle radar machinery rotates, respectively with estimate in the orientation that azimuth is intersected, and respectively to bowing with estimating
The pitch angle of elevation angle intersection carries out the targeted surveillance scanning of " burn-through " mode；And in the rotation of the radar machinery of the circle, do not change
Original meteorological detection scanning in circle radar machinery rotation.
" burn-through " mode refers to that the wave beam of radar emission can penetrate the electronic interferences of other side to detect target,
For details, reference can be made to the prior arts.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (4)
1. a kind of meteorological detection based on orientation rotation phased-array radar and targeted surveillance method, which is characterized in that a meteorology
Detection cycle includes N number of targeted surveillance period, and the targeted surveillance period is overlapped with radar bearing machinery swing circle, i.e., and one
Radar machinery rotation N circle in the meteorological detection period, and the rotation of each circle radar machinery is all a targeted surveillance period；
In executing the radar machinery rotation that meteorological detection period is total N circle, enclosing the rotation of radar machinery when execution i-th is the
When i encloses targeted surveillance, 1≤i≤N distributes residence time in each orientation of the i-th circle targeted surveillance, and to each
Orientation is all made of the scan method of time-division multiplex；
The scan method of the time-division multiplex are as follows: target of the transmitting from the 1st wave position to M wave position in each orientation is supervised
Depending on scanning beam, each wave position represents a pitch angle；And to the angle for also emitting a pitch angle in each orientation
Degree is αiMeteorological detection scanning beam, and the overlay area of meteorological detection scanning beam that each circle targeted surveillance is emitted
The complete meteorological scanning of accumulative satisfaction one.
2. a kind of meteorological detection based on orientation rotation phased-array radar according to claim 1 and targeted surveillance method,
It is characterized in that, being followed successively by progressive overlapping to the targeted surveillance scanning beam that M wave position terminates since the 1st wave position.
3. a kind of meteorological detection based on orientation rotation phased-array radar according to claim 1 or 2 and targeted surveillance side
Method, which is characterized in that when carrying out pitch angle estimation to detection target, if the targeted surveillance that target falls in two adjacent wave positions is swept
It retouches in the overlapping region of wave beam, i.e. the targeted surveillance scanning beam of the two adjacent wave positions has the echo information of the target, then
Bowing for target is estimated by the ratio width of the intensity of the target echo information of the targeted surveillance scanning beam of this two adjacent wave positions
The angle number at the elevation angle；If target is fallen in the region of the targeted surveillance scanning beam of the 1st wave position or M wave position, with the 1st wave
Position centre normal or M wave position centre normal angle number as the target the upward pitch angle in the orientation angle
Number.
4. a kind of meteorological detection based on orientation rotation phased-array radar according to claim 3 and targeted surveillance method,
It is characterized in that, when a certain target in space certain go out near region continuously to occur and track consecutive hours, then it is aobvious by terminal
It controls subsystem and emphasis label is carried out to the target, and to emphasis label target in next targeted surveillance period, that is, next circle thunder
It is estimated up to the position of machinery rotation, obtains estimating for emphasis label target and azimuth and estimate pitch angle；
In the rotation of next targeted surveillance period, that is, next circle radar machinery, respectively with the orientation estimating azimuth and intersect
On, and scanned respectively to the targeted surveillance for estimating pitch angle progress " burn-through " mode that pitch angle intersects；And in the thunder of the circle
Up in machinery rotation, original meteorological detection scanning in circle radar machinery rotation is not changed.
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Cited By (3)
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| WO2020263882A1 (en) * | 2019-06-25 | 2020-12-30 | Raytheon Company | Ground station sensing of weather around an aircraft |
| CN113721205A (en) * | 2021-08-27 | 2021-11-30 | 四创电子股份有限公司 | Phased array radar target multi-target signal simulation method |
| CN114114206A (en) * | 2021-10-02 | 2022-03-01 | 中国航空工业集团公司洛阳电光设备研究所 | Search scanning control method for radar identification target area by photoelectric turret |
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| CN114114206A (en) * | 2021-10-02 | 2022-03-01 | 中国航空工业集团公司洛阳电光设备研究所 | Search scanning control method for radar identification target area by photoelectric turret |
| CN114114206B (en) * | 2021-10-02 | 2025-03-21 | 中国航空工业集团公司洛阳电光设备研究所 | A search and scanning control method for an optoelectronic turret to control a radar identification target area |
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