CN109270512A - The dispatching method and system of distributed coherent synthesis radar - Google Patents
The dispatching method and system of distributed coherent synthesis radar Download PDFInfo
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- CN109270512A CN109270512A CN201811290191.4A CN201811290191A CN109270512A CN 109270512 A CN109270512 A CN 109270512A CN 201811290191 A CN201811290191 A CN 201811290191A CN 109270512 A CN109270512 A CN 109270512A
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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
- 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
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Abstract
The invention discloses the dispatching methods and system of distributed coherent synthesis radar, are related to field of radar.This method comprises: according within x-th of dispatching cycle search lighting to fresh target and the metrical information of old target that traces into, calculate the Threat of each target and track unit radar quantity required for each target；Unit radar quantity required for according to the Threat of each target and tracking each target, generates the scheduling information of (x+1)th dispatching cycle；Each unit radar is scheduled within (x+1)th dispatching cycle according to scheduling information.Dispatching method provided by the invention, unit radar of the giving priority in arranging for target high to Threat carry out distributed coherent synthesis tracking, can be realized the rational management to distributed coherent synthesis radar, have ensured the multiple target tracking ability of distributed coherent synthesis radar.
Description
Technical field
The present invention relates to field of radar, more particularly to the dispatching method and system of distributed coherent synthesis radar.
Background technique
Distributed coherent synthesis radar is the technique direction of next Generation Radar development.It passes through the letter to multiple unit radars
Number coherent synthesis is carried out, it is equivalent to form one big power radar.The number of unit radar is more, and coherent synthesizes thunder after signal fused
The detection power and tracking range reached is also bigger.Since the Radar Cross Section of each target and the distance of distance are different,
The number of required unit radar is also just different.
But when distributed coherent synthesis radar application when multiple target tracking, need for different tracking targets it is reasonable
Different number of unit radar is distributed, there is presently no very good solution methods.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of distributed coherent synthesis thunder
The dispatching method reached and a kind of scheduling system of distributed coherent synthesis radar.
The technical scheme to solve the above technical problems is that
A kind of dispatching method of distribution coherent synthesis radar, comprising:
According within x-th of dispatching cycle search lighting to fresh target and the metrical information of old target that traces into, meter
It calculates the Threat of each target and tracks unit radar quantity required for each target, x=1,2,3 ...；
Unit radar quantity required for according to the Threat of each target and tracking each target, generates the (x+1)th
The scheduling information of a dispatching cycle；
Each unit radar is scheduled within (x+1)th dispatching cycle according to the scheduling information.
The beneficial effects of the present invention are: dispatching method provided by the invention, by unit radar of giving priority in arranging for Threat
High target carries out distributed coherent synthesis tracking, can be realized the rational management to distributed coherent synthesis radar, ensures
The multiple target tracking ability of distributed coherent synthesis radar.
The another technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of scheduling system of distribution coherent synthesis radar, comprising:
Threat computing unit, for according within x-th of dispatching cycle search lighting to fresh target and trace into
The metrical information of old target calculates the Threat of each target and tracks unit radar quantity required for each target, x=1,
2,3 ...；
Scheduling information computing unit, Threat and unit radar number required for each target of tracking for each target
Amount, generates the scheduling information of the (x+1)th dispatching cycle；
Scheduling unit, for according to the scheduling information within (x+1)th dispatching cycle to each unit radar into
Row scheduling.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is a kind of flow diagram that the embodiment for the dispatching method that distributed coherent synthesizes radar provides of the present invention；
Fig. 2 is a kind of dispatching distribution that the other embodiments for the dispatching method that distributed coherent synthesizes radar provide of the present invention
Schematic diagram；
Fig. 3 is a kind of structural framing figure that the embodiment for the scheduling system that distributed coherent synthesizes radar provides of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
As shown in Figure 1, for a kind of process that the embodiment for the dispatching method that distributed coherent synthesizes radar provides of the present invention
Schematic diagram, the dispatching method include:
S1, according to x-th dispatching cycle search lighting to fresh target and the metrical information of old target that traces into, meter
It calculates the Threat of each target and tracks unit radar quantity required for each target, x=1,2,3 ....
It should be noted that Threat is the index for measuring target acquisition value, for example, working as a target very from radar
Closely, and towards radar fly movement velocity quickly when, then the Threat of the target is with regard to big.Determine the ginseng of Threat size
Corresponding relationship between several and Threat can be arranged according to actual needs.
The parameter for determining air threat priority can be speed, distance etc., these can be arranged according to actual needs.
For example, the Threat of speed can be 1, when the speed of target when the speed of target is between a~b (km/h)
When between b~c (km/h), the Threat of speed can be 2, when the speed of target is between c~d (km/h), speed
Threat can be 3；When the distance of target is between e~f (km), the Threat of distance can be 3, when the distance of target exists
When between f~g (km), the Threat of distance can be 2.
So when the speed of the target is between a~b (km/h), and distance is between e~f (km), the threat of the target
Degree can be 4.
It should be understood that not representing the actual algorithm of actual numerical value and Threat the above is only the simplification example convenient for explanation.
It should be understood that the working condition of distributed coherent synthesis radar is divided into two kinds, it is search and tracking, each target respectively
Refer to the target searched in the investigative range of radar and the target tracked.
S2, unit radar quantity required for according to the Threat of each target and tracking each target, generates (x+1)th
The scheduling information of dispatching cycle.It may also be different it should be noted that the quantity possibility of target is identical in each scheduling week.Example
Such as, when there is fresh target to occur, and to be less than unit radar total for the Threat highest of the fresh target and required unit radar number
Quantity, then will be tracked to the fresh target in next dispatching cycle；In another example the prestige of certain interior target of current dispatching cycle
Stress becomes smaller, and after the Threat Target Assignment unit radar higher than the target, no unit radar can be assigned with, then next
It will abandon dispatching cycle tracking the target.
That is, being possible to not be able to satisfy the tracking to all targets (new, old target) in scheduling information, can not meet
Target will be abandoned.
It should be understood that being divided into multiple resident within each dispatching cycle.
It should be noted that scheduling information refers to some resident interior, unit thunder of certain number in some dispatching cycle
Up to the target of certain number of tracking.
For example, it is assumed that sharing 10 unit radars, tracking target A needs 3 radars, and tracking target B needs 5 radars,
It tracks target C and needs 10 radars, it is assumed that it is resident to have 2, then scheduling information can be with are as follows: in (x+1)th dispatching cycle, the
1 it is resident in, 1,2, No. 3 tracking target A of radar, 4,5,6,7, No. 8 tracking target B of radar, remaining radar are used to search for, the
2 resident interior, whole radar lock on C.
S3 is scheduled each unit radar within (x+1)th dispatching cycle according to scheduling information.
It should be understood that showing that radar system was in the 1st dispatching cycle, then all radars are carried out when x is 1
Search mission.
It should be understood that should also include the steps that radar parameter initializes before the 1st dispatching cycle.
Dispatching method provided in this embodiment is carried out distributed by unit radar of the giving priority in arranging for target high to Threat
Coherent synthesis tracking, can be realized the rational management to distributed coherent synthesis radar, ensure distributed coherent synthesis radar
Multiple target tracking ability.
Optionally, in some embodiments, metrical information may include: speed, distance, signal-to-noise ratio, wherein speed and prestige
Stress is positively correlated, distance and Threat negative correlation, and unit radar quantity required for signal-to-noise ratio and tracking current goal is negatively correlated.
It should be noted that speed refers to that speed of the target searched for or tracked relative to radar, distance refer to searching
The distance of rope or the target of tracking relative to radar.
Optionally, in some embodiments, the unit according to required for the Threat of each target and tracking each target
Radar quantity generates the scheduling information of (x+1)th dispatching cycle, can specifically include:
Target complete is successively sorted according to the sequence of Threat from big to small；
Enable all Sj=M, 1≤j≤L；
Since i=1, to i-th of target, first resident interior R in (x+1)th dispatching cycle is judgediIt is whether small
In equal to Sj, 1≤i≤N, 1≤j≤L；
If it is, enabling RiA Tjk=i, M-Sj+1≤k≤M-Sj+Ri, and enable Sj=Sj-Ri, to i+1 target after
It is continuous to be judged；If it is not, then judging next be resident；
Wherein, L is the resident quantity in (x+1)th dispatching cycle, and M is the total quantity of unit radar, and N is the number of target
Amount, RiFor unit radar quantity required for i-th of target of tracking, SjFor j-th of resident interior unit radar number for being not used for tracking
Amount, TjkFor the serial number of the target of j-th of resident interior k-th of unit radar tracking.
For example, T12=5, indicate the 1st resident interior, the 2nd unit radar lock on 5.
As shown in Fig. 2, giving a kind of possible dispatching distribution schematic diagram, it is assumed that unit radar sum is 10, scheduling week
The resident number of phase is 6, it is assumed that shares 8 targets, is target 1, target 2, target respectively after sorting from large to small according to Threat
3, target 4, target 5, target 6, target 7, target 8, it is assumed that unit radar quantity required for each target is respectively 9,8
A, 6,5,9,8,6,5, then scheduling result can be as shown in Figure 2: in resident at the 1st, unit radar 1
~9 for tracking target 1, and unit radar 10 is for searching for；Resident interior at the 2nd, unit radar 1~8 is used to track target 2,
Unit radar 9,10 is for searching for；Resident interior at the 3rd, unit radar 1~6 is used for tracking target 3, unit radar 7~10
In search；Resident interior at the 4th, unit radar 1~5 is for tracking target 4, and unit radar 6~10 is for tracking target 8；?
5th resident interior, and unit radar 1~9 is for tracking target 5, and unit radar 10 is for searching for；Resident interior, the unit thunder at the 6th
Up to 1~8 for tracking target 6, unit radar 9,10 is for searching for；Due to not having after the tracking allocation unit radar to target 1~6
There is the unit radar of enough numbers to be used to track target 7, so not tracking target 7.
It should be understood that can preferentially track Threat when the lazy weight of radar in dispatching cycle is to track target complete
Forward target abandons tracking Threat and although meets the requirements, but target rearward.
It should be noted that within the 1st dispatching cycle, since all radars are all used to search for, scheduling week
All T in phasejkIt is 0, all SjFor M.
It is appreciated that in some embodiments, may include such as step some or all of in the various embodiments described above.
As shown in figure 3, for a kind of structure that the embodiment for the scheduling system that distributed coherent synthesizes radar provides of the present invention
Frame diagram, the scheduling system include:
Threat computing unit 1, for according within x-th of dispatching cycle search lighting to fresh target and trace into
The metrical information of old target calculates the Threat of each target and tracks unit radar quantity required for each target, x=1,
2,3 ...；
Scheduling information computing unit 2, for the unit according to required for the Threat of each target and tracking each target
Radar quantity generates the scheduling information of (x+1)th dispatching cycle；
Scheduling unit 3, for being scheduled within (x+1)th dispatching cycle to each unit radar according to scheduling information.
Optionally, in some embodiments, metrical information may include: speed, distance, signal-to-noise ratio, wherein speed and prestige
Stress is positively correlated, distance and Threat negative correlation, and unit radar quantity required for signal-to-noise ratio and tracking current goal is negatively correlated.
Optionally, in some embodiments, scheduling information computing unit 2 specifically can be used for target complete according to threat
The sequence of degree from big to small successively sorts；Enable all Sj=M, 1≤j≤L；Since i=1, to i-th of target, judge
First of (x+1)th dispatching cycle is resident interior RiWhether S is less than or equal toj, 1≤i≤N, 1≤j≤L；If it is, enabling Ri
A Tjk=i, M-Sj+1≤k≤M-Sj+Ri, and enable Sj=Sj-Ri, i+1 target is continued to judge；If it is not, then
Next be resident is judged；
Wherein, L is the resident quantity in (x+1)th dispatching cycle, and M is the total quantity of unit radar, and N is the number of target
Amount, RiFor unit radar quantity required for i-th of target of tracking, SjFor j-th of resident interior unit radar number for being not used for tracking
Amount, TjkFor the serial number of the target of j-th of resident interior k-th of unit radar tracking.
It is appreciated that in some embodiments, may include such as device some or all of in the various embodiments described above.
It should be noted that the present embodiment is product embodiments corresponding with above-mentioned each method embodiment, for this implementation
In example the explanation of each constructional device and optional embodiment can with reference in above-mentioned each method embodiment pair it should be noted that herein not
It repeats again.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of the embodiment of the present invention
's.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (6)
1. a kind of dispatching method of distribution coherent synthesis radar characterized by comprising
According within x-th of dispatching cycle search lighting to fresh target and the metrical information of old target that traces into, calculate every
Unit radar quantity required for the Threat and each target of tracking of a target, x=1,2,3 ...；
Unit radar quantity required for according to the Threat of each target and tracking each target generates the (x+1)th and adjusts
Spend the scheduling information in period；
Each unit radar is scheduled within (x+1)th dispatching cycle according to the scheduling information.
2. dispatching method according to claim 1, which is characterized in that the metrical information includes: speed, distance, noise
Than, wherein the speed and Threat are positively correlated, the distance and Threat negative correlation, the signal-to-noise ratio and the current mesh of tracking
Unit radar quantity required for marking is negatively correlated.
3. dispatching method according to claim 1 or 2, which is characterized in that the Threat according to each target and with
Unit radar quantity required for each target of track, generates the scheduling information of the (x+1)th dispatching cycle, specifically includes:
Target complete is successively sorted according to the sequence of Threat from big to small；
Enable all Sj=M, 1≤j≤L；
Since i=1, to i-th of target, judge to be resident interior R at first of the (x+1)th dispatching cycleiWhether it is less than
Equal to Sj, 1≤i≤N, 1≤j≤L；
If it is, enabling RiA Tjk=i, M-Sj+1≤k≤M-Sj+Ri, and enable Sj=Sj-Ri, to i+1 target continue into
Row judgement；If it is not, then judging next be resident；
Wherein, L is the resident quantity in (x+1)th dispatching cycle, and M is the total quantity of unit radar, and N is the quantity of target, RiFor
Track unit radar quantity, S required for i-th of targetjFor j-th of the resident interior unit radar quantity for being not used for tracking, Tjk
For the serial number of the target of j-th of resident interior k-th of unit radar tracking.
4. a kind of scheduling system of distribution coherent synthesis radar characterized by comprising
Threat computing unit, for according within x-th of dispatching cycle search lighting to fresh target and the old mesh that traces into
Target metrical information calculates the Threat of each target and tracks unit radar quantity required for each target, x=1, and 2,
3 ...；
Scheduling information computing unit, for each target Threat and track unit radar quantity required for each target,
Generate the scheduling information of the (x+1)th dispatching cycle；
Scheduling unit, for being adjusted within (x+1)th dispatching cycle to each unit radar according to the scheduling information
Degree.
5. scheduling system according to claim 4, which is characterized in that the metrical information includes: speed, distance, noise
Than, wherein the speed and Threat are positively correlated, the distance and Threat negative correlation, the signal-to-noise ratio and the current mesh of tracking
Unit radar quantity required for marking is negatively correlated.
6. scheduling system according to claim 4 or 5, which is characterized in that the scheduling information computing unit is specifically used for
Target complete is successively sorted according to the sequence of Threat from big to small；Enable all Sj=M, 1≤j≤L；Since i=1,
To i-th of target, judge to be resident interior R at first of the (x+1)th dispatching cycleiWhether S is less than or equal toj, 1≤i≤N,
1≤j≤L；If it is, enabling RiA Tjk=i, M-Sj+1≤k≤M-Sj+Ri, and enable Sj=Sj-Ri, to i+1 target after
It is continuous to be judged；If it is not, then judging next be resident；
Wherein, L is the resident quantity in (x+1)th dispatching cycle, and M is the total quantity of unit radar, and N is the quantity of target, RiFor
Track unit radar quantity, S required for i-th of targetjFor j-th of the resident interior unit radar quantity for being not used for tracking, Tjk
For the serial number of the target of j-th of resident interior k-th of unit radar tracking.
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