CN106249230A - A kind of method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning - Google Patents

A kind of method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning Download PDF

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Publication number
CN106249230A
CN106249230A CN201610594748.8A CN201610594748A CN106249230A CN 106249230 A CN106249230 A CN 106249230A CN 201610594748 A CN201610594748 A CN 201610594748A CN 106249230 A CN106249230 A CN 106249230A
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search
target
echo data
object detection
detection results
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CN106249230B (en
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刘斌
赵学州
雷威
高策
郭冬梅
武俊强
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Shanghai Radio Equipment Research Institute
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Shanghai Radio Equipment Research Institute
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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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/426—Scanning radar, e.g. 3D radar
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • G01S13/426—Scanning radar, e.g. 3D radar
    • G01S13/428—Scanning radar, e.g. 3D radar within the pulse scanning systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • 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
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S2013/0236—Special technical features
    • G01S2013/0245—Radar with phased array antenna

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

The present invention provides a kind of method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning, azimuth dimension search and pitching dimension search synchronization to carry out, and wherein pitching dimension uses phasescan, and azimuth dimension uses mechanical scanning.In combination with actual radar system, process under ripple position nonsynchronous practical situation using " 2 take 2 " criterion and radar beam to point to signal processor, search routine is divided into target detection flow process and goal verification flow process, in target detection flow process, only detects that target just needs to enter goal verification flow process.The present invention need not start and stop mechanism during searching for, and is effectively improved mechanism's service life and volume-search coverage speed, is particularly suited for the Quick air domain search field of payload in the spaceborne application platform of resource-constrained.

Description

A kind of method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning
Technical field
Involved in the present invention is a kind of based on the one-dimensional rotating phased array radar of full spatial domain early warning quick in field of radar Searching method, is particularly well-suited to the Quick air domain search technology of payload in the spaceborne application platform of resource-constrained.
Background technology
Current domestic spaceborne radar generally uses bidimensional mechanical scanning mode or two dimensional phased battle array when carrying out volume-search coverage Scan mode.Bidimensional mechanical scanning mode search speed is slow and easily satellite body is produced disturbing moment, increases Satellite Attitude control Burden, affects platform courses precision, is not suitable for high-speed target scans for capture；It is prompt that bidimensional phase-array scanning has wave beam The advantages such as change, high, strong, the mechanical moving component disturbing moment impact of fault-tolerant ability of reliability, but T/R component count needed for it Many, development cost is high, develops difficulty big, Heavy Weight, and power consumption is high, is applied to difficulty on the Space-borne of resource-constrained big.
The Chinese patent of publication number CN102680968A discloses one and uses phasescan in pitching dimension, adopt in azimuth dimension With mechanical scanning, it is achieved the spaceborne radar of different way of search complementation mixing is swept machine mutually and swept the volume-search coverage method combined, its Volume-search coverage scanning schematic diagram is as shown in Figure 1.This invention, during carrying out pitching dimension phasescan, utilizes wave beam sinusoidal empty Between insied width invariant feature, use phasescan mode in sine space.The method combines machine and sweeps and sweep respective advantage, mechanism mutually Rotate slow, produce disturbing moment little, little on platform stabilization impact, need T/R number of unit few, development cost is low, develops difficulty Spend little, lightweight, low in energy consumption, it is easy to Project Realization, it is highly suitable on the Space-borne of resource-constrained using.But this invention exists Carry out azimuth dimension search and pitching dimension search during volume-search coverage can not carry out simultaneously, need continuous start and stop mechanism, reducing mechanism Service life and volume-search coverage speed.
In actual radar system, when radar system parameters is certain, the lowest then detection range of target detection thresholding is the most remote, inspection Survey probability the lowest.For ensureing certain detection range and detection probability, often use " 2 take 2 " criterion, judge 2 frames the most continuously, if Continuous 2 frames detect that target just can confirm that target.
When radar uses coherent system, signal processing and target detection after needing to accumulate multiple pulse, just can be carried out, for Improving search speed, radar system is receiving when not waiting signal result after all of echo data in prewave position, but Continuing search for next ripple position, process the data when prewave position simultaneously, therefore radar beam points to and processes ripple with signal processor Position is the most asynchronous.
Summary of the invention
It is an object of the invention to provide a kind of fast search side based on the one-dimensional rotating phased array radar of full spatial domain early warning Method, especially implements in the less spaceborne application platform of extraterrestrial target, can greatly reduce search time, improves volume-search coverage Speed.
In order to arrive above-mentioned purpose, the technical scheme is that offer is a kind of based on the one-dimensional rotational phase control of full spatial domain early warning The method for fast searching of battle array radar, wherein comprises the steps of
S1, according to search lighting spatial domain, determine the azimuth dimension mechanism original position in search lighting scheme, azimuth dimension mechanism kinematic Angular velocity, pitching dimension sine space ripple position set and volume-search coverage termination condition；Define three pitching dimension ripple bit variable B1, B2, B3 and three object detection results variable T1, T2, T3, and the next ripple position that initial for pitching dimension ripple position gives B1, B1 is given B2, it is the initial ripple position of pitching dimension that definition pitching dimension terminates the next ripple position of ripple position；Mechanism turns to search for original position, enters Step S2；
S2, mechanism are by the angular velocity setting in motion determined, radar beam points to B1 and receives the echo data of B1, when B1 all returns B1 echo data is preserved to signal processor after receiving by wave datum, enters the target detection flow process of step S3；
S3, radar beam point to B2 and receive the echo data of B2, and synchronous signal datatron processes B1 echo data and detects mesh Mark, B2 echo data, to T1, is preserved to signal processing after the whole echo data of B2 receives by preservation object detection results Machine, enters step S4；
S4, according to search plan judge whether terminate search, if it is determined that terminate search, then volume-search coverage is complete, and mechanism stops Only motion；If it is determined that be not over search, then enter step S5；
If the object detection results of S5 T1 is for being not detected by target, the next ripple position that B2 gives B1, B2 gives B2, jumps Go to step S3；If the object detection results of T1 is for target being detected, then enter goal verification flow process.
Wherein, described entrance goal verification flow process, comprise:
When step S5, if the object detection results of T1 is for target being detected, give B3 by the next ripple position of B2, enter step Rapid S6；
S6, radar beam point to B1 and receive the echo data of B1, and synchronous signal datatron processes B2 echo data and detects mesh Mark, B1 echo data, to T2, is preserved to signal processing after the whole echo data of B1 receives by preservation object detection results Machine；Then, radar beam points to B3 and receives the echo data of B3, and synchronous signal datatron processes B1 echo data and detects mesh Mark, preservation object detection results, to T3, preserves after the whole echo data of B3 receives to signal processor, enters step S7；
S7, according to search plan judge whether terminate search, if terminate search; jump to step S10, otherwise enter step S8；
If the object detection results of S8 T3 is for target being detected, confirm search target and this target component preserved also It is sent to host computer, enters step S9；If the object detection results of T3 is for being not detected by target, it is directly entered step S9；
If the object detection results of S9 T2 is for target being detected, B2 is given the next ripple position tax that B1, B3 give B2, B2 Give B3, T2 and give T1, jump to step S6；If the object detection results of T2 is for being not detected by target, B3 is given under B1, B3 One ripple position gives B2, jumps to step S3；
S10, volume-search coverage are complete, mechanism's stop motion.
Preferably, described method for fast searching is implemented in spaceborne application platform.
Compared with background technology, the method for fast searching of the present invention, have the advantage that
1., for the scan mode that Chinese patent relative to publication number CN102680968A proposes, the present invention searches carrying out spatial domain During rope, azimuth dimension search and pitching dimension search synchronization are carried out, and need not start and stop mechanism during searching for, and improve mechanism service life With volume-search coverage speed.
2. combine actual radar system, process ripple using " 2 take 2 " criterion and radar beam to point to signal processor Under position nonsynchronous practical situation, search routine is divided into target detection flow process and goal verification flow process, only examines in target Flow gauge detecting, target just needs to enter goal verification flow process, can pole in the less spaceborne application platform of extraterrestrial target The earth reduces search time, improves volume-search coverage speed.
Accompanying drawing explanation
Fig. 1 is the volume-search coverage scanning schematic diagram of background technology, longitudinally represents and carries out phase place in the upper sine space of pitching dimension The search wave beam of scanning, laterally represents the search wave beam carrying out mechanical scanning in azimuth dimension, and beam search order is along arrow side To first pitching back side, alternately.
The volume-search coverage scanning schematic diagram that Fig. 2 provides for the present invention, longitudinally represents and carries out the upper sine space internal phase of pitching dimension The search wave beam of bit scan, laterally represents the search wave beam carrying out mechanical scanning in azimuth dimension, and during search, azimuth dimension mechanism is by solid Fixed angular speed moves, and pitching dimension search wave beam again returns to initial ripple after initial ripple position scans up end ripple position successively Position, moves in circles until volume-search coverage terminates.
Fig. 3 is One-dimension Phased Array beam search schematic diagram, and the wave beam on semicircle track is search in tradition pitching space Wave beam, its width is broadening with the increase of scanning angle θ, and the wave beam on U axle is search wave beam in sine space, and it is pitching Wave beam projection on U axle is searched for, the beam angle not broadening with the increase of scanning angle θ in space.
Fig. 4 is full spatial domain early warning one-dimensional rotating phased array radar volume-search coverage workflow diagram in the present invention, it is shown that real Shown in existing Fig. 2, volume-search coverage scanning process is embodied as step.
Detailed description of the invention
The present invention provides a kind of method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning.In the present invention Azimuth dimension search and pitching dimension search synchronization are carried out, and wherein pitching dimension uses phasescan, and azimuth dimension uses mechanical scanning, its ripple Bundle scanning schematic diagram is as shown in Figures 2 and 3.In combination with actual radar system, refer to using " 2 take 2 " criterion and radar beam Process under ripple position nonsynchronous practical situation to signal processor, search routine is divided into target detection flow process and target true Recognize flow process, in target detection flow process, only detect that target just needs to enter goal verification flow process, its volume-search coverage flow chart As shown in Figure 4.
Method for fast searching of the present invention, comprises the steps:
S1, determine that according to search lighting spatial domain search lighting scheme (includes determining azimuth dimension mechanism original position, azimuth dimension mechanism Angular velocity of satellite motion, the sine space ripple position setting of pitching dimension and volume-search coverage termination condition etc.).Define three pitching dimension ripple bit variables B1, B2, B3 and three object detection results variable T1, T2, T3, and initial for pitching dimension ripple position is given the next ripple of B1, B1 It is the initial ripple position of pitching dimension that position gives the next ripple position of B2(definition pitching dimension end ripple position).Mechanism turns to search for start bit Put, enter step S2.
S2, mechanism are by the angular velocity setting in motion determined, radar beam points to B1 and receives the echo data of B1, when B1 is complete B1 echo data is preserved to signal processor after receiving by portion's echo data, enters step S3.
S3, radar beam point to B2 and receive the echo data of B2, and synchronous signal datatron processes B1 echo data and examines Surveying target, B2 echo data, to T1, is preserved to signal after the whole echo data of B2 receives by preservation object detection results Datatron (target detection flow process), enters step S4.
S4, according to search plan judge whether terminate search, if terminate search; jump to step 10, otherwise enter step Rapid S5.
If the object detection results of S5 T1 is for being not detected by target, the next ripple position that B2 gives B1, B2 gives B2, jumps to step S3；If the object detection results of T1 is for target being detected, give B3 by the next ripple position of B2, enter Step S6.
S6, radar beam point to B1 and receive the echo data of B1, and synchronous signal datatron processes B2 echo data and examines Surveying target, B1 echo data, to T2, is preserved to signal after the whole echo data of B1 receives by preservation object detection results Datatron.Then radar beam points to B3 and receives the echo data of B3, and synchronous signal datatron processes B1 echo data and examines Survey target, preserve object detection results to T3, after the whole echo data of B3 receives, preserve to signal processor that (target is true Recognize flow process), enter step S7.
S7, according to search plan judge whether terminate search, if terminate search; jump to step S10, otherwise enter Step S8.
If the object detection results of S8 T3 is for target being detected, confirm search target and this target component protected Deposit and be sent to host computer, enter step S9；If the object detection results of T3 is for being not detected by target, it is directly entered step S9。
If the object detection results of S9 T2 is for target being detected, B2 is given the next ripple that B1, B3 give B2, B2 Position gives B3, T2 and gives T1, jumps to step S6；If the object detection results of T2 is for being not detected by target, B3 is given B1, B3 next one ripple position gives B2, jumps to step S3；
S10, volume-search coverage are complete, mechanism's stop motion.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read foregoing, for the present invention's Multiple amendment and replacement all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (3)

1. a method for fast searching based on the one-dimensional rotating phased array radar of full spatial domain early warning, it is characterised in that comprise following Step:
S1, according to search lighting spatial domain, determine the azimuth dimension mechanism original position in search lighting scheme, azimuth dimension mechanism kinematic Angular velocity, pitching dimension sine space ripple position set and volume-search coverage termination condition；Define three pitching dimension ripple bit variable B1, B2, B3 and three object detection results variable T1, T2, T3, and the next ripple position that initial for pitching dimension ripple position gives B1, B1 is given B2, it is the initial ripple position of pitching dimension that definition pitching dimension terminates the next ripple position of ripple position；Mechanism turns to search for original position, enters Step S2；
S2, mechanism are by the angular velocity setting in motion determined, radar beam points to B1 and receives the echo data of B1, when B1 all returns B1 echo data is preserved to signal processor after receiving by wave datum, enters the target detection flow process of step S3；
S3, radar beam point to B2 and receive the echo data of B2, and synchronous signal datatron processes B1 echo data and detects mesh Mark, B2 echo data, to T1, is preserved to signal processing after the whole echo data of B2 receives by preservation object detection results Machine, enters step S4；
S4, according to search plan judge whether terminate search, if it is determined that terminate search, then volume-search coverage is complete, and mechanism stops Only motion；If it is determined that be not over search, then enter step S5；
If the object detection results of S5 T1 is for being not detected by target, the next ripple position that B2 gives B1, B2 gives B2, jumps Go to step S3；If the object detection results of T1 is for target being detected, then enter goal verification flow process.
2. method for fast searching as claimed in claim 1, it is characterised in that
Enter goal verification flow process, comprise:
When step S5, if the object detection results of T1 is for target being detected, give B3 by the next ripple position of B2, enter step Rapid S6；
S6, radar beam point to B1 and receive the echo data of B1, and synchronous signal datatron processes B2 echo data and detects mesh Mark, B1 echo data, to T2, is preserved to signal processing after the whole echo data of B1 receives by preservation object detection results Machine；Then, radar beam points to B3 and receives the echo data of B3, and synchronous signal datatron processes B1 echo data and detects mesh Mark, preservation object detection results, to T3, preserves after the whole echo data of B3 receives to signal processor, enters step S7；
S7, according to search plan judge whether terminate search, if terminate search; jump to step S10, otherwise enter step S8；
If the object detection results of S8 T3 is for target being detected, confirm search target and this target component preserved also It is sent to host computer, enters step S9；If the object detection results of T3 is for being not detected by target, it is directly entered step S9；
If the object detection results of S9 T2 is for target being detected, B2 is given the next ripple position tax that B1, B3 give B2, B2 Give B3, T2 and give T1, jump to step S6；If the object detection results of T2 is for being not detected by target, B3 is given under B1, B3 One ripple position gives B2, jumps to step S3；
S10, volume-search coverage are complete, mechanism's stop motion.
3. method for fast searching as claimed in claim 2, it is characterised in that
Described method for fast searching is implemented in spaceborne application platform.
CN201610594748.8A 2016-07-26 2016-07-26 A kind of method for fast searching based on the complete one-dimensional rotating phased array radar of spatial domain early warning Active CN106249230B (en)

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CN108051805A (en) * 2017-10-25 2018-05-18 广州中南民航空管技术装备工程有限公司 A kind of radar scanning method, electronic equipment and storage medium
CN109559293A (en) * 2018-12-03 2019-04-02 上海航天控制技术研究所 A kind of step-by-step movement whole day domain scanning searcher and method
CN112165350A (en) * 2020-08-24 2021-01-01 中国电子科技集团公司第二十九研究所 Down phased array agile beam control device and method for medium and low orbit satellite
CN115308729A (en) * 2022-07-27 2022-11-08 中国船舶重工集团公司第七二四研究所 One-dimensional phased radar scanning azimuth frequency scanning staring detection method

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051805A (en) * 2017-10-25 2018-05-18 广州中南民航空管技术装备工程有限公司 A kind of radar scanning method, electronic equipment and storage medium
CN109559293A (en) * 2018-12-03 2019-04-02 上海航天控制技术研究所 A kind of step-by-step movement whole day domain scanning searcher and method
CN109559293B (en) * 2018-12-03 2023-07-14 上海航天控制技术研究所 Stepping type all-sky-area scanning and searching device and method
CN112165350A (en) * 2020-08-24 2021-01-01 中国电子科技集团公司第二十九研究所 Down phased array agile beam control device and method for medium and low orbit satellite
CN112165350B (en) * 2020-08-24 2022-04-12 中国电子科技集团公司第二十九研究所 Down phased array agile beam control device and method for medium and low orbit satellite
CN115308729A (en) * 2022-07-27 2022-11-08 中国船舶重工集团公司第七二四研究所 One-dimensional phased radar scanning azimuth frequency scanning staring detection method

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