CN108983220A - A kind of timing optimization method of inactive phased array track and guidance radar - Google Patents
A kind of timing optimization method of inactive phased array track and guidance radar Download PDFInfo
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- CN108983220A CN108983220A CN201810411955.4A CN201810411955A CN108983220A CN 108983220 A CN108983220 A CN 108983220A CN 201810411955 A CN201810411955 A CN 201810411955A CN 108983220 A CN108983220 A CN 108983220A
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- radar
- guidance
- phased array
- target
- missile
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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
- G01S13/883—Radar or analogous systems specially adapted for specific applications for missile homing, autodirectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—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)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The present invention relates to a kind of timing optimization methods of inactive phased array track and guidance radar, it is turned based on target tracking stage in beat same when the inactive phased array track and guidance radar of wave beam measurement Warhead deflection altogether being used to work and guided missile descending phase wave beam completely the same, provide a kind of radar working sequence optimization method, reasonably reduce radar beam direction and turns number, reduce the mean power of radar, the reliability for improving radar, saves time resource.
Description
Technical field
It is specially a kind of based on using wave beam measurement Warhead deflection altogether the invention belongs to radar system design technical field
The timing optimization method of inactive phased array track and guidance radar.For to the inactive phased array using wave beam measurement Warhead deflection altogether
The working sequence of track and guidance radar optimizes, and reduces the radar number that wave beam is turned within each duty cycle, thus
Radar mean power is reduced, time resource is saved, improves reliability of radar.
Background technique
Phased-array radar can be divided into Connectors for Active Phased Array Radar and inactive phased array radar.Phased-array radar passes through certain array
Feed element emit different phase signals to control beam direction, can phased-array radar be existed by beam-forming technology
Change beam position in very short time, thus the Radar Task of multiple and different properties can be completed in a short time.Based on phased array
The characteristic of radar, radar realize that target following and missile guidance can share an aerial array, i.e., so-called phased array tracking
Guidance radar.
The main task of phased array track and guidance radar is, completes search, the lockon and follow of attacking in the air target, and
Its measurement result is given to the command and control center of weapon system, then according to the order of command and control center after MISSILE LAUNCHING
It completes finally to assess interception effect the intercepting and capturing of guided missile, tracking measurement and guidance.Existing phased array homing guidance thunder
Target following is usually first completed up to its working sequence, then completes missile guidance.In the nothing using wave beam measurement Warhead deflection altogether
In the phased array track and guidance radar of source, for using radio-command guidance, guidance function refers to that radar utilizes the same wave
Shu Zhixiang measures the angular error of target and guided missile and beam position, and then calculates the relative angle deviation of target and guided missile,
That is Warhead deflection forms missile guidance instruction based on this, guides missile intercept target.Guidance function can be divided into instruction uplink
With two stages of guided missile downlink.In a duty cycle T, radar can track N pieces of guided missile of N number of target and guidance simultaneously, point
For N number of beat, working sequence (is as shown in Figure 1 monotrack guidance radar when N=1, when N > 1 is multiple target tracking system
Lead radar).
In a beat, the existing inactive phased array track and guidance radar using wave beam measurement Warhead deflection altogether is successively
It realizes target following, instructs uplink and guided missile downlink function, radar beam by turning three times:
1) it target tracking stage: according to the corresponding beat target following state extrapolation of last period or interior pushes away to obtain at this time
Beam position, radar control tracking beam be directed toward target, realize target tenacious tracking；
2) the uplink stage: the Warhead deflection solution that guidance computer is obtained according to the corresponding beat measurement of last period is instructed
Missile guidance control instruction is calculated, is radiated by radar antenna, until answering machine receives on bullet.It is received to be conducive to answering machine on bullet
It is general to require instruction uplink beam wide compared with tracking beam to missile guidance control instruction, thus radar needs to change beam angle；
3) guided missile descending phase: after answering machine receives missile guidance control instruction on bullet, emitting a kind of radar immediately can
With the signal of detection, such as linear FM signal, NLFM signal, radar surveying missile position information is allowed.Radar in order to
Warhead deflection is measured, beam position needs consistent with tracking beam at this time, thus when wave beam need to turn so far beat target following
Beam position direction.
Phased-array radar turns beam position every time and needs to motivate the phase for changing each antenna element, especially antenna list
Member is more, and the power of excitation change phase bit consumption is bigger every time.It is more to turn number for beam position in one duty cycle, then
The mean power of radar consumption is bigger, causes the service life of phase shifter to reduce and increases with antenna array temperature.Due to a section
Radar needs to turn wave beam three times in clapping, and wherein target following and when guided missile downlink wave beam turn it is completely the same, thus can
It is optimized with the working sequence to radar.
Summary of the invention
Technical problems to be solved
Present invention solves the technical problem that being based on the inactive phased array homing guidance using wave beam measurement Warhead deflection altogether
Target tracking stage and guided missile descending phase wave beam are turned completely the same in same beat when radar works, and provide a kind of radar
Working sequence optimization method reasonably reduces radar beam direction and turns number, reduces the mean power of radar, improve
The reliability of radar, saves time resource.
Technical solution
A kind of timing optimization method of inactive phased array track and guidance radar, it is characterised in that: by the thunder in same beat
It is placed on before radar target tracking up to missile guidance；Specific step is as follows:
Step 1: guidance computer resolves guided missile system according to the Warhead deflection that the corresponding beat measurement of last period obtains
Control instruction is led, is radiated by radar antenna, until answering machine receives on bullet；Beam position need to adjust once at this time；
Step 2: guided missile descending phase: after answering machine receives missile guidance control instruction on bullet, emitting a kind of thunder immediately
Up to the signal that can detecte, radar in order to measure and be calculated Warhead deflection, at this time beam position need and subsequent target with
Track beam position is consistent, thus wave beam need to be turned to by the corresponding beat target following state extrapolation of last period or interior pushing away
The beam position arrived；
Step 3: target tracking stage: beam position does not need to turn at this time, radar tenacious tracking target.
The signal emitted in step 2 is linear FM signal.
Beneficial effect
It after the optimization of radar working sequence, need to only be turned wave beam twice in each beat, than existing using wave beam measurement altogether
The inactive phased array track and guidance radar of Warhead deflection has lacked a wave beam and has turned.Inactive phased array track and guidance radar day at present
For line unit generally in thousands of ranks, the higher radar antenna unit of precision is more, and radar excitation changes the function of primary phase bit consumption
Rate is in kW rank.And change phase is motivated to need the response time, generally in hundred us ranks.The thus present invention and existing skill
Art is compared and is had the advantage that
1) wave beam is turned reduction and is turned to wave beam twice due to having in a beat three times, then what radar beam was turned is averaged
Power is reduced to the 2/3 of the prior art, significantly reduces radar power consumption, reduces requirement of the radar to power supply；
2) reduction of radar power consumption and wave beam turn the reduction of number, improve the antenna in radar system, phase shifter, swash
The service life of the components such as device, power supply is encouraged, and phase shifter, driver, power supply etc. are that reliability is lower in radar system, because
And the reliability of radar system is enhanced relatively；
3) wave beam is saved in a beat to turn, then vacate response time (hundred us that primary excitation changes phase
Rank), especially when multiple target tracking guides, the time that a cycle is saved is then more.Phased-array radar can close
Reason goes to realize certain functions using these time resources.
Detailed description of the invention
The existing inactive phased array track and guidance radar working sequence of Fig. 1
Inactive phased array track and guidance radar working sequence after Fig. 2 optimization
Inactive phased array multiple target tracking guidance radar working sequence in Fig. 3 air missile weapon system
Specific embodiment
Now in conjunction with embodiment, attached drawing, the invention will be further described:
Specific technical solution of the present invention is that the radar missile guidance in same beat is placed on before radar target tracking, this
Shi Leida working sequence is as shown in Fig. 2, specific as follows:
1) the uplink stage: the Warhead deflection solution that guidance computer is obtained according to the corresponding beat measurement of last period is instructed
Missile guidance control instruction is calculated, is radiated by radar antenna, until answering machine receives on bullet.Beam position need to adjust once at this time；
2) guided missile descending phase: after answering machine receives missile guidance control instruction on bullet, emitting a kind of radar immediately can
With the signal of detection, radar is in order to measure and be calculated Warhead deflection, and beam position needs and subsequent target following wave at this time
Shu Zhixiang is consistent, thus wave beam need to be turned to by last period corresponding beat target following state extrapolation or interior pushing away
Beam position；
3) target tracking stage: beam position does not need to turn at this time, radar tracking beam position target, realizes that target is steady
Fixed tracking.
Below with the inactive phased array multiple target of the total wave beam measurement Warhead deflection of use in certain air missile weapon system
For track and guidance radar, which uses radio-command guidance, can track 4 pieces of guided missiles of 4 targets and guidance simultaneously.Work
Period is 20ms, is divided into four beats, each beat 5ms.1.5ms realizes missile guidance function before each beat, and rear 3.5ms is real
Existing target following function.Uplink stage radar beam is instructed to use broad beam, guided missile downlink and target following use narrow beam.If
Operating mode is guided afterwards using existing first track at the beginning of meter, and the subsequent technical solution provided using the present invention is improved, i.e.,
It first guides and tracks operating mode afterwards.After improvement, DC current is down to this 90A, antenna array from 110A when work is guided in radar tracking
Face Temperature Distribution be improved significantly.The specific implementation method of the method for the present invention is as shown in figure 3, by taking 1 homing guidance of beat as an example:
1) instruct the uplink stage: guidance computer resolves guided missile according to the Warhead deflection that the measurement of last 20ms beat 1 obtains
Guidance and control instruction, is radiated by radar antenna, until answering machine receives on bullet.The wave beam of previous beat target tracking stage is
Narrow beam, wave beam should be broad beam at this time, need to turn a beam position；
2) guided missile descending phase: after answering machine receives missile guidance control instruction on bullet, emit linear frequency modulation letter immediately
Number to radar antenna receive, beam position is consistent with subsequent target beam direction at this time, thus wave beam need to be turned to root
According to the extrapolation of last 1 target following state of 20ms beat or the interior beam position pushed away, wave beam is narrow beam at this time；
3) target tracking stage: beam position does not need to turn at this time, radar tenacious tracking target.
Claims (2)
1. a kind of timing optimization method of inactive phased array track and guidance radar, it is characterised in that: by the radar in same beat
Missile guidance is placed on before radar target tracking；Specific step is as follows:
Step 1: guidance computer resolves missile guidance control according to the Warhead deflection that the corresponding beat measurement of last period obtains
System instruction, is radiated by radar antenna, until answering machine receives on bullet；Beam position need to adjust once at this time；
Step 2: guided missile descending phase: after answering machine receives missile guidance control instruction on bullet, emitting a kind of radar immediately can
With the signal of detection, radar is in order to measure and be calculated Warhead deflection, and beam position needs and subsequent target following wave at this time
Shu Zhixiang is consistent, thus wave beam need to be turned to by last period corresponding beat target following state extrapolation or interior pushing away
Beam position；
Step 3: target tracking stage: beam position does not need to turn at this time, radar tenacious tracking target.
2. a kind of timing optimization method of inactive phased array track and guidance radar according to claim 1, it is characterised in that
The signal emitted in step 2 is linear FM signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411955.4A CN108983220B (en) | 2018-05-03 | 2018-05-03 | Time sequence optimization method for passive phased array tracking guidance radar |
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|---|---|---|---|
| CN201810411955.4A CN108983220B (en) | 2018-05-03 | 2018-05-03 | Time sequence optimization method for passive phased array tracking guidance radar |
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| CN108983220A true CN108983220A (en) | 2018-12-11 |
| CN108983220B CN108983220B (en) | 2022-03-15 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330987A (en) * | 1971-01-07 | 1973-09-19 | Tull Aviation Corp | Scanning beam guidance method and apparatus |
| JPS58204382A (en) * | 1982-05-24 | 1983-11-29 | Mitsubishi Electric Corp | Guided air frame system |
| US4536766A (en) * | 1982-09-07 | 1985-08-20 | Hazeltine Corporation | Scanning antenna with automatic beam stabilization |
| CN107121674A (en) * | 2016-08-31 | 2017-09-01 | 零八电子集团有限公司 | Adaptive strain waveform switch tracking mesh calibration method |
-
2018
- 2018-05-03 CN CN201810411955.4A patent/CN108983220B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330987A (en) * | 1971-01-07 | 1973-09-19 | Tull Aviation Corp | Scanning beam guidance method and apparatus |
| JPS58204382A (en) * | 1982-05-24 | 1983-11-29 | Mitsubishi Electric Corp | Guided air frame system |
| US4536766A (en) * | 1982-09-07 | 1985-08-20 | Hazeltine Corporation | Scanning antenna with automatic beam stabilization |
| CN107121674A (en) * | 2016-08-31 | 2017-09-01 | 零八电子集团有限公司 | Adaptive strain waveform switch tracking mesh calibration method |
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| Publication number | Publication date |
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| CN108983220B (en) | 2022-03-15 |
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