CN104392118B - Laser draws interference diffusing reflection plate decoy protective benefitses appraisal procedure and system partially - Google Patents
Laser draws interference diffusing reflection plate decoy protective benefitses appraisal procedure and system partially Download PDFInfo
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- CN104392118B CN104392118B CN201410639760.7A CN201410639760A CN104392118B CN 104392118 B CN104392118 B CN 104392118B CN 201410639760 A CN201410639760 A CN 201410639760A CN 104392118 B CN104392118 B CN 104392118B
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Abstract
Draw interference diffusing reflection plate decoy protective benefitses appraisal procedure and system partially the invention discloses a kind of laser, method includes step：S1, determine that diffusing reflection plate decoy lays key element, the laying key element include laying orientation/plate face towards, draw inclined space, lay distance and lay quantity；S2, the assessment models for setting up diffusing reflection plate decoy laying key element；S3, diffusing reflection plate Target Protection Effectiveness Evaluation Model is set up, it is to obtain the assessment of items by the laying information of decoy and to substitute into each assessment models by protection target information, and the protection that decoy can be evaluated with laying the summation of key element multiplied by weight sets efficiency.The influence of subjective factor and structure of knowledge level in conventional expert's Evaluation Method can be overcome by implementing the present invention, realize that laser draws real-time, the automatic assessment of diffusing reflection plate decoy protective benefitses in inclined interference system.
Description
Technical field
The present invention relates to decoy protective benefitses evaluation areas in laser countermeasure (s), draw partially more particularly, to a kind of laser
Disturb diffusing reflection plate decoy protective benefitses appraisal procedure and system.
Background technology
It is the effective hand for resisting widely used Semi-active LASER homing weapon in modern war that laser, which draws interference partially,
Section.Laser draws the basic thought disturbed partially：The laser guided weapon for luring partially to attack passes through the sacrificial of decoy to laser decoy
Domestic animal is brought by the safety of protection target.Decoy is laid in by around protection target before interference partially is drawn according to battlefield surroundings, its
Protective benefitses directly affect the fighting efficiency even success or failure drawn and disturbed partially.Diffusing reflection has good lambertian reflection characteristics and anti-
Rate height is penetrated, is that laser draws the decoy commonly used in interference partially.In order to judge the reasonability of diffusing reflection plate decoy laying, Jin Eryou
Change the deployment strategy of diffusing reflection plate decoy, finally ensure that laser draws and disturb partially successfully, need timely, objective evaluation diffusing reflection plate false
The protective benefitses of target.
The existing method for assessing diffusing reflection plate decoy protective benefitses generally has three kinds：(1) live shell interference test method；(2)
Semi-hardware type simulation test method；(3) expert estimation Evaluation Method.Wherein first method is with a high credibility, but live shell interference test can not
Energy limit simulates to attack threat, takes time and effort, efficiency is low, it is difficult to accomplish real-time；Second method confidence level is higher, also can mould
Intend it is a variety of attack threats, but for assessing during protective benefitses that under different battlefield surroundings difference decoy deployment strategies possess,
Still waste time and energy, it is less efficient, it is also difficult to accomplish real-time；Although the third method is succinct quick, by marking expert master
The influence of sight factor and structure of knowledge level is larger, therefore confidence level is not high, it is difficult to ensure objectivity.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, draw diffusing reflection in interference partially the invention provides a kind of laser
Plate decoy protective benefitses appraisal procedure and system, key element is laid by determining that diffusing reflection plate decoy lays key element, foundation
Assessment models, the weight for determining estimation items, so as to obtain diffusing reflection plate Target Protection Effectiveness Evaluation Model, are drawn with realizing to laser
Partially interference in diffusing reflection plate decoy protective benefitses it is objective, accurate, it is real-time assess.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of laser and draws interference diffusing reflection plate vacation partially
Target Protection efficiency estimation method, comprises the following steps：
S1, determine that diffusing reflection plate decoy lays key element, the laying key element includes laying orientation/plate face towards B1, draw
Inclined space B2, lay apart from B3With laying quantity B4；
S2, the assessment models for setting up the laying key element：Wherein,
Orientation/plate face is towards B1Assessment models V1For：
N is the diffusing reflection plate quantity laid, θ in formulatsIt is unrestrained
The protection angle of reflecting plate, (：) it is conditional operator, θtwaiFor the mirror image orientation of i-th of target plate direction orientation is laid with itself
Angle, θtwai=min (mod (θtwi+180°-θtai, 360 °), mod (θtai-(180°+θtwi),360°))；
Draw inclined space B2Assessment models V2For：
N is the diffusing reflection plate quantity laid, θ in formulatpiIt is i-th of diffusing reflection plate towards the angle of pitch, θtsFor the protection angle of diffusing reflection plate；
ΔθmaFor come the size of the azimuth coverage of attacking threat, Δ θma=mod (θma2-θma1, 360), wherein to attack threat
Bearing range UmaFor [θma1, θma2]；
ΔθtaiFor i-th of diffusing reflection plate protection angle come attack threaten spatial dimension in azimuthal size, i-th overflow
The protection angle of reflecting plate is threatening the orientation angular zone U in spatial dimensiontamiFor [θtam1, θtam2], then Utami=Uma∩Utai, Δ
θtai=mod (θtam2-θtam1, 360), wherein UtaiFor the protection angle bearing range of i-th of diffusing reflection plate, its value is [mod (θtwi-
θts, 360), mod (θtwi+θts,360)]；
ΔθtaijThreatening azimuthal big in spatial dimension for diffusing reflection plate i, j protection angle overlapping region to attack
Small, diffusing reflection plate i, j protection angle overlapping region are threatening the orientation angular zone U in spatial dimensiontaijFor [θtaij1, θtaij2],
Then Utaij=Utai∩Utaj∩Uma, Δ θtaij=mod (θtaij2-θtaij1, 360)；
Lay apart from B3Assessment models V3For：
ρ in formulatiFor diffusing reflection
Plate i from by the minimum range of protection target, (：) it is conditional operator；DijFor effective diffusing reflection plate with it is other laying equipment away from
From RmTo attack the radius of damage of threat；N1For the quantity of effective diffusing reflection plate of laying；N2Miscellaneous equipment for laying and not
Effective diffusing reflection plate quantity sum of metering；
Lay quantity B4Assessment models V4For：
N in formulaactFor the diffusing reflection plate quantity of actual use, NoptFor optimal diffusing reflection
Plate usage quantity, Nopt×θts>Δθma>(Nopt-1)×θts, Δ θmaFor come the size of the azimuth coverage of attacking threat, θtsIt is unrestrained
The protection angle of reflecting plate；
S3, diffusing reflection plate decoy protective benefitses are estimated：
Wherein, VallFor diffusing reflection plate decoy protective benefitses assessed value, W1Orientation/plate face is laid towards B for estimation items1's
Weight coefficient, W2Draw inclined space B for estimation items2Weight coefficient, W3Laid for estimation items apart from B3Weight coefficient, W4To assess
Item lays quantity B4Weight coefficient, W=[W1,W2,W3,W4]=[0.1373,0.5310,0.2555,0.0763]T。
As it is further preferred that in the step S2, if being non-interconnected discrete areas, basis by protection target area
Assessment models V3The assessed value of the laying distance of each discrete areas is calculated, then calculates the arithmetic mean of instantaneous value of each assessed value, to obtain
Take by the assessed value of the laying distance of protection target area.
Correspondingly, the present invention also provide a kind of laser draw partially interference diffusing reflection plate decoy protective benefitses assessment system, be
System includes the first module, the second module and the 3rd module,
First module be used for determine diffusing reflection plate decoy lay key element, the laying key element include lay orientation/
Plate face is towards B1, draw inclined space B2, lay apart from B3With laying quantity B4；
Second module is used for the assessment models for setting up the laying key element：Wherein,
Orientation/plate face is towards B1Assessment models V1For：
N is the diffusing reflection plate quantity laid, θ in formulatsIt is unrestrained
The protection angle of reflecting plate, (：) it is conditional operator, θtwaiFor the mirror image orientation of i-th piece of target plate direction orientation is laid with itself
Angle, θtwai=min (mod (θtwi+180°-θtai, 360 °), mod
(θtai-(180°+θtwi),360°))；
Draw inclined space B2Assessment models V2For：
N is the diffusing reflection plate quantity laid, θ in formulatpiIt is i-th block of diffusing reflection plate towards the angle of pitch, θtsFor the protection angle of diffusing reflection plate；
ΔθmaFor come the size of the azimuth coverage of attacking threat, Δ θma=mod (θma2-θma1, 360), wherein to attack threat
Bearing range UmaFor [θma1, θma2]；
ΔθtaiFor i-th of diffusing reflection plate protection angle come attack threaten spatial dimension in azimuthal size, i-th overflow
The protection angle of reflecting plate is threatening the orientation angular zone U in spatial dimensiontamiFor [θtam1, θtam2], then Utami=Uma∩Utai, Δ
θtai=mod (θtam2-θtam1, 360), wherein UtaiFor the protection angle bearing range of i-th of diffusing reflection plate, its value is [mod (θtwi-
θts, 360), mod (θtwi+θts,360)]；
ΔθtaijThreatening azimuthal big in spatial dimension for diffusing reflection plate i, j protection angle overlapping region to attack
Small, diffusing reflection plate i, j protection angle overlapping region are threatening the orientation angular zone U in spatial dimensiontaijFor [θtaij1, θtaij2],
Then Utaij=Utai∩Utaj∩Uma, Δ θtaij=mod (θtaij2-θtaij1, 360)；
Lay apart from B3Assessment models V3For：
ρ in formulatiFor diffusing reflection
Plate i from by the minimum range of protection target, (：) it is conditional operator；DijFor effective diffusing reflection plate with it is other laying equipment away from
From RmTo attack the radius of damage of threat；N1For the quantity of effective diffusing reflection plate of laying；N2Miscellaneous equipment for laying and not
Effective diffusing reflection plate quantity sum of metering；
Lay quantity B4Assessment models V4For：
N in formulaactFor the diffusing reflection plate quantity of actual use, NoptFor optimal diffusing reflection
Plate usage quantity, Nopt×θts>Δθma>(Nopt-1)×θts, Δ θmaFor come the size of the azimuth coverage of attacking threat, θtsIt is unrestrained
The protection angle of reflecting plate；
3rd module is used to be estimated diffusing reflection plate decoy protective benefitses：
Wherein, VallFor diffusing reflection plate decoy protective benefitses assessed value, W1Orientation/plate face is laid towards B for estimation items1's
Weight coefficient, W2Draw inclined space B for estimation items2Weight coefficient, W3Laid for estimation items apart from B3Weight coefficient, W4To assess
Item lays quantity B4Weight coefficient, W=[W1,W2,W3,W4]=[0.1373,0.5310,0.2555,0.0763]T。
As it is further preferred that the second module also includes the second submodule, for being non-company by protection target area
During logical discrete areas, then according to assessment models V3The assessed value of the laying distance of each discrete areas is calculated, then calculates each assessment
The arithmetic mean of instantaneous value of value, to obtain by the assessed value of the laying distance of protection target area.
Therefore, the present invention can obtain following beneficial effect：The inventive method and system are by determining that diffusing reflection plate is false
Target lays key element, sets up the assessment models for laying key element, and combines the weight of each laying key element estimation items, obtains diffusing reflection plate
Decoy protective benefitses assessment models, it is ensured that high reliability and high efficiency that diffusing reflection plate decoy protective benefitses are assessed.This
Inventive method and system only need to gather the cloth setting parameter of diffusing reflection plate in actual application, using convenient, as a result directly
See, overcome the influence of subjective factor and structure of knowledge level in conventional expert's Evaluation Method, can realize and draw partially dry to laser
Disturb objective, accurate, the real-time assessment of middle diffusing reflection plate decoy protective benefitses.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is that laser of the present invention draws diffusing reflection plate decoy protective benefitses appraisal procedure workflow diagram in interference partially；
Fig. 2 draws inclined situation map for the diffusing reflection plate decoy that the present invention is laid.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not constituting conflict between this can just be mutually combined.
Laser of the present invention draws diffusing reflection plate decoy protective benefitses appraisal procedure in interference partially and determines that diffusing reflection plate is false first
The laying key element of target, and estimation items are determined according to each influence and restriction relation for laying key element to decoy protective benefitses；
Then the assessment models of each estimation items are set up；As long as believing during specific implementation by the laying information of each functional unit and by protection target
Breath input assessment models can obtain the laying score of each estimation items；Next the power of each estimation items is determined using analytic hierarchy process (AHP)
Weight；The score of each estimation items and multiplied by weight summation finally can be evaluated into laying efficiency.
As shown in figure 1, the inventive method comprises the following steps：
S1, determine diffusing reflection plate decoy lay key element.
The laying key element of diffusing reflection plate include diffusing reflection plate relative to by protection target apart from ρti, relative to by protection mesh
Target azimuth angle thetatai, diffusing reflection plate reflecting surface towards azimuth angle thetatwi, diffusing reflection plate towards pitching angle thetatpiWith laying quantity
N etc. five, for ease of evaluating the protective benefitses that the diffusing reflection plate laid can reach, according to the operation principle of diffusing reflection plate, reflection
Characteristic and tactical application principle, are attributed to laying orientation/plate face towards B by the laying key element of diffusing reflection plate1, draw inclined space B2, cloth
If apart from B3With laying quantity B44 estimation items, wherein B1Refer to diffusing reflection plate relative to by the azimuth angle theta of protection targettaiWith it is anti-
Penetrate face towards azimuth angle thetatwi, B2It is main by diffusing reflection plate reflecting surface towards azimuth angle thetatwi, towards pitching angle thetatpiDetermine, B3
Refer to relative to by protection target apart from ρti。
In the present invention, hundred-mark system is used for the assessment for laying key element；All azimuthal benchmark are 0 ° of north orientation, orientation
The span at angle is 0 °~360 °；The benchmark of the angle of pitch is horizontal plane, and the span of the angle of pitch is 0 °~90 °.
S2, the assessment models for setting up each estimation items (respectively laying key element).
Orientation/plate face is set up towards B1Assessed value V1Computation model：Rational lay requires decoy relative to being protected
The orientation of target is may be come near the threat orientation direction of mirror image attacked, and plate face should be that is, each unrestrained anti-towards by protection target
Plate is penetrated relative to by the orientation θ of protection targettaiWith plate face towards orientation θtwiBetween should meet：
mod(θtai+180°-θtwi, 360 °) and=0 (1)
Mod is modulo operation in formula (1), and formula (1) represents θtai+180°-θtwiBy the angle after 360 ° of modulus of being divided by (taking the remainder)
Value is equal to 0.In view of the protection angle θ of diffusing reflection platetsUsually 60 °, and guard system searches the rule of suitable diffusing reflection plate,
Azimuth mirror picture ± θ is threatened according to threat orientation searchtsDiffusing reflection plate in bearing range is considered further that unrestrained anti-as decoy
Penetrate when plate is laid towards by protection target maximum presence ± θtsDeviation, that is to say, that the mirror image orientation of diffusing reflection plate direction with from
The angle that body lays orientation cannot be greater than 2 θts, otherwise this diffusing reflection plate is invalid.Consider factors above, diffusing reflection plate is laid
Orientation/plate face is towards B1Assessed value V1Computation model is：
In formula (2), N represents the diffusing reflection plate quantity laid, (：) it is conditional operator, θtwaiRepresent i-th of target plate court
To mirror image orientation the angle in orientation is laid with itself, its calculation expression is：
θtwai=min (mod (θtwi+180°-θtai, 360 °), mod (θtai-(180°+θtwi),360°)) (3)
Inclined space B is drawn in foundation2Assessed value V2Computation model：Draw inclined space and refer to all laying diffusing reflection plate decoy synthesis
Effectively draw inclined space, its protection angle θ with diffusing reflection platets, lay quantity N and plate face towards relevant.Single diffusing reflection plate
Draw that inclined space is approximately azimuth and the angle of pitch is all 2 θtsSquare taper draw inclined space.Rational lay requires the effective of target plate
Draw inclined space and cover body and may be provided, bowed by distant place air situation come the azimuth coverage of attacking angular region the angular region attacked
Elevation coverage is defaulted as 0 °~90 °.When attacking direction is random, to attack angular region for the spherical spaces of 2 π half, the effective of synthesis draws
Inclined space should be the spherical spaces of 2 π half.When the diffusing reflection plate direction and unreasonable quantity of laying, formation is drawn inclined space and will deposited
It can not be fully contemplated by attacking space in missing (Ji Yin hemianopsias area).Diffusing reflection plate effectively draws inclined space to may be empty to attack angle
Between coverage rate × 100 be that target plate draws the laying score V in inclined space2, computation model is：
First half in formula (4) represents scoring value when drawing inclined space non-overlapping copies of N number of diffusing reflection plate, latter half
Represent the scoring value for drawing inclined space overlap region of N number of diffusing reflection plate, wherein Δ θmaFor come attack threat azimuth coverage it is big
It is small, Δ θtaiFor i-th of diffusing reflection plate protection angle come attack threaten spatial dimension in azimuthal size, Δ θtaijRepresent unrestrained
Reflecting plate i, j protection angle overlapping region come attack threaten spatial dimension in azimuthal size.
Wherein, bearing range U is threatenedmaFor [θma1, θma2], then Δ θma=mod (θma2-θma1,360).I-th of diffusing reflection
The protection angle of plate is threatening the orientation angular zone U in spatial dimensiontamiFor [θtam1, θtam2], then Utami=Uma∩Utai, Δ θtai
=mod (θtam2-θtam1, 360), wherein UtaiFor the protection angle bearing range of i-th of diffusing reflection plate, its value is [mod (θtwi-
θts, 360), mod (θtwi+θts,360)].Diffusing reflection plate i, j protection angle overlapping region are threatening the azimuth in spatial dimension
Region UtaijFor [θtaij1, θtaij2], then Utaij=Utai∩Utaj∩Uma, Δ θtaij=mod (θtaij2-θtaij1, 360).
Set up and lay apart from B3Assessed value V3Computation model：Lay distance refer to the diffusing reflection plate of laying with by protection target,
The distance for the other sub- equipment laid, it is with attacking the field of view of receiver angle θ of bodymv, start las er-guidance when body distance
LmWith radius of damage RmIt is relevant, the radius of damage is only considered herein.Rational lay requires target plate and by protection target and laid
Other any sub- equipment distances of itself be more than radius of damage Rm.If constitute effectively draw a certain diffusing reflection plate i in inclined space from
By the minimum range of protection targetρtiLess than radius of damage Rm, then this for corresponding to diffusing reflection plate is scored at 0；If composition is effectively drawn
The a certain diffusing reflection plate in inclined space is from being less than radius of damage R with a distance from any miscellaneous equipment laid in systemm, then in the presence of one
There are cumulative deduction of points, 100 points of full marks during a variety of situations in kind of situation, 10 points of this score button of correspondence diffusing reflection plate, detained and be
Only.Lay apart from B3Assessed value computation model be：
In formula (：) it is conditional operator；DijFor effective diffusing reflection plate and the distance of other laying equipment；N1To lay
Effective diffusing reflection plate quantity；N2Miscellaneous equipment for laying and the effective diffusing reflection plate quantity sum do not measured.
, need to be for being protected when calculating the assessed value for laying distance when by protection target area for non-interconnected discrete areas
Each discrete areas is calculated respectively in shield target area, then takes their arithmetic mean of instantaneous value.
Set up and lay quantity B4Assessed value V4Computation model：The diffusing reflection plate quantity that quantity refers to actual use is laid, from right
From the point of view of anti-resources conservation and war preparedness duration of run is as fast as possible, rational lay is required using diffusing reflection as few as possible
Plate completes to draw inclined task.Therefore Yi Dan after selected protection target, according to the laying requirement for drawing inclined space and diffusing reflection plate orientation,
The optimal diffusing reflection plate quantity needed to use is just determined.Diffusing reflection plate lays the assessed value of quantity relative to needing to use
For optimal diffusing reflection plate quantity.When using diffusing reflection plate less, it will necessarily influence to draw the coverage rate in inclined space, this point is in V2
In considered, therefore main here consider redundancy using diffusing reflection plate to confrontation resource and the negative effect in reaction time.It is false
Fixed optimal diffusing reflection plate quantity usage quantity is Nopt, actual use diffusing reflection plate quantity is Nact, diffusing reflection plate laying quantity
Assessed value V4Computation model is：
According to inclined space requirement and actual laying situation is drawn, it is determined that optimal diffusing reflection plate usage quantity NoptPrinciple be：
NoptThe inclined azimuth coverage that effectively draws of individual diffusing reflection plate synthesis may be Δ come the azimuth coverage for attacking space slightly larger than body
θma, that is, meet expression formula：
Nopt×θts>Δθma>(Nopt-1)×θts (7)
S3, set up diffusing reflection plate Target Protection Effectiveness Evaluation Model Vall：
After laying is finished, the score value V of each estimation items can be calculated according to cloth setting parameter and assessment computation modeli, by its with it is right
The weight coefficient answered, which is multiplied, can evaluate diffusing reflection plate decoy protective benefitses.Assessment vector V=[V might as well be set1,V2,V3,
V4], weight vectors W=[W1,W2,W3,W4], then the diffusing reflection plate decoy protective overall efficiency V after layingallAssessment models are：
In formula (8), VallCharacterized with hundred-mark system, score is higher, and explanation protective benefitses are better, and highest is divided into 100 points.
The weight vectors W of each estimation items can be determined according to analytic hierarchy process (AHP) in formula (8).It is true according to the estimation items above divided
Fixed each estimation items belong to fairly simple step analysis to the weight of diffusing reflection plate protective benefitses, only need to calculate weight coefficient
And carry out consistency check.
Weight coefficient is calculated, if the protective benefitses of diffusing reflection plate decoy are general objective A, orientation/plate face direction are laid, draws
Inclined space, laying distance and laying quantity are respectively B1、B2、B3、B4, the judgment matrix after quantifying by analytic hierarchy process (AHP) scale is such as
Shown in table 1.
The judgment matrix of the diffusing reflection plate decoy protective benefitses of table 1
That is judgment matrix A is：
According to the vectorial calculation formula of root rightCalculating obtains each estimation items weight coefficient vector W, n
=4, then
W=[W1,W2,W3,W4]=[0.1373,0.5310,0.2555,0.0763]T
Consistency check is carried out to the judgment matrix A of construction, formula is first according toCalculate judgment matrix
A eigenvalue of maximum λmax, then according to consistency check algorithm Calculating obtains CR=
0.0027<0.1, meet n=4, RI=0.96 in coherence request, formula.
By using analytic hierarchy process (AHP), each key element can be determined the relative size that diffusing reflection plate decoy protective benefitses influence
Quantify, consequently facilitating the protective benefitses that the diffusing reflection plate decoy to laying can reach carry out quantitative evaluation.
Below in conjunction with a specific embodiment, the present invention will be further described.
First, before diffusing reflection decoy is laid, letter is clearly threatened to attack according to the instruction of higher level command post or distant place air situation
Breath.Fig. 2 draws inclined situation map for the diffusing reflection plate decoy laid.Be directed in figure and laid 1 attacking laser threat, 2 two pieces it is unrestrained anti-
Penetrate decoy, each 120 ° of self-forming effectively draws inclined bearing range, and each 120 ° of fan-shaped summit is placed in situation map center, protected
Eye protection mark is in situation map center.By Fig. 2, might as well assume be to attack laser threat scope：Bearing range UmaFor [200 °,
360 °], pitching scope [0 °, 90 °], to attack the radius of damage R of bodymFor 160m.When laying diffusing reflection decoy, collection is false
Target lays information, by Fig. 2, the cloth setting parameter (ρ of decoy 1t1, θta1, θtw1, θtp1) it is (200m, 45 °, 220 °, 45 °), it is false
Cloth setting parameter (the ρ of target 2t2, θta2, θtw2, θtp2) it is (200m, 90 °, 270 °, 60 °).
Then, each estimation items score is calculated according to assessment models.
Score V of the laying orientation/plate face towards B1 can be calculated according to formula (2), (3)1For 97.92.
The score V for drawing inclined space B 2 can be calculated according to formula (4)2For 81.25.
The score V laid apart from B3 can be calculated according to formula (5)3For 95.
The score V for laying quantity B4 can be calculated according to formula (6), (7)4For 100.
So as to obtain assessing vectorial V=[97.92,81.25,95,100].
Finally, by obtained assessment vector V=[97.92,81.25,95,100] and weight vectors W=[0.1373,
0.5310,0.2555,0.0763]TAssessment models (8) are substituted into, are obtained for threatening enemy's situation and diffusing reflection plate decoy shown in Fig. 2
The protective benefitses that layout scheme can reach are 88.49.
The inventive method is by determining that diffusing reflection plate decoy lays key element, the assessment models for setting up laying key element, determination
The weight of estimation items, so that diffusing reflection plate Target Protection Effectiveness Evaluation Model is obtained, by analytics evaluation method and analytic hierarchy process (AHP) phase
With reference to, it is ensured that high reliability and high efficiency that diffusing reflection plate decoy protective benefitses are assessed.The inventive method is in practical application
During, the cloth setting parameter of diffusing reflection plate only need to be gathered, using convenient, visual result, conventional expert is overcome and assesses
The influence of subjective factor and structure of knowledge level in method, can realize and draw diffusing reflection plate decoy protection effect in interference partially to laser
Objective, accurate, the real-time assessment of energy.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (2)
1. a kind of laser draws interference diffusing reflection plate decoy protective benefitses appraisal procedure partially, it is characterised in that comprise the following steps：
S1, determine that diffusing reflection plate decoy lays key element, the laying key element includes laying orientation/plate face towards B1, draw inclined space
B2, lay apart from B3With laying quantity B4；
S2, the assessment models for setting up the laying key element：Wherein,
Orientation/plate face is towards B1Assessment models V1For：
N is the diffusing reflection plate quantity laid, θ in formulatsFor diffusing reflection
The protection angle of plate, (：) it is conditional operator, θtwaiThe folder in orientation is laid with itself for the mirror image orientation of i-th of target plate direction
Angle, θtwai=min (mod (θtwi+180°-θtai, 360 °), mod (θtai-(180°+θtwi),360°))；
Draw inclined space B2Assessment models V2For：
N is in formula
The diffusing reflection plate quantity of laying, θtpiIt is i-th of diffusing reflection plate towards the angle of pitch, θtsFor the protection angle of diffusing reflection plate；
ΔθmaFor come the size of the azimuth coverage of attacking threat, Δ θma=mod (θma2-θma1, 360), wherein to attack threat orientation
Scope UmaFor [θma1, θma2]；
ΔθtaiFor i-th of diffusing reflection plate protection angle come attack threaten spatial dimension in azimuthal size, i-th of diffusing reflection
The protection angle of plate is threatening the orientation angular zone U in spatial dimensiontamiFor [θtam1, θtam2], then Utami=Uma∩Utai, Δ θtai
=mod (θtam2-θtam1, 360), wherein UtaiFor the protection angle bearing range of i-th of diffusing reflection plate, its value is [mod (θtwi-
θts, 360), mod (θtwi+θts,360)]；
ΔθtaijThe azimuthal size threatened in spatial dimension is being attacked for diffusing reflection plate i, j protection angle overlapping region, is being overflow anti-
The protection angle overlapping region for penetrating plate i, j is threatening the orientation angular zone U in spatial dimensiontaijFor [θtaij1, θtaij2], then Utaij=
Utai∩Utaj∩Uma, Δ θtaij=mod (θtaij2-θtaij1, 360)；
Lay apart from B3Assessment models V3For：
ρ in formulatiFor diffusing reflection plate i from
By the minimum range of protection target, (：) it is conditional operator；DijFor effective diffusing reflection plate and the distance of other laying equipment, Rm
To attack the radius of damage of threat；N1For the quantity of effective diffusing reflection plate of laying；N2Miscellaneous equipment for laying and do not measure
Effective diffusing reflection plate quantity sum；
Lay quantity B4Assessment models V4For：
N in formulaactFor the diffusing reflection plate quantity of actual use, NoptMake for optimal diffusing reflection plate
With quantity, Nopt×θts>Δθma>(Nopt-1)×θts, Δ θmaFor come the size of the azimuth coverage of attacking threat, θtsFor diffusing reflection
The protection angle of plate；
In the step S2, if being non-interconnected discrete areas by protection target area, according to assessment models V3Calculate each scattered
The assessed value of the laying distance in region, then the arithmetic mean of instantaneous value of each assessed value is calculated, to obtain by the laying of protection target area
The assessed value of distance；
S3, diffusing reflection plate decoy protective benefitses are estimated：
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</msub>
<mo>=</mo>
<munderover>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mn>4</mn>
</munderover>
<msub>
<mi>W</mi>
<mi>i</mi>
</msub>
<mo>&CenterDot;</mo>
<msub>
<mi>V</mi>
<mi>i</mi>
</msub>
</mrow>
Wherein, VallFor diffusing reflection plate decoy protective benefitses assessed value, W1Orientation/plate face is laid towards B for estimation items1Weight
Coefficient, W2Draw inclined space B for estimation items2Weight coefficient, W3Laid for estimation items apart from B3Weight coefficient, W4For estimation items cloth
If quantity B4Weight coefficient, W=[W1,W2,W3,W4]=[0.1373,0.5310,0.2555,0.0763]T。
2. a kind of laser draws interference diffusing reflection plate decoy protective benefitses assessment system partially, it is characterised in that system includes first
Module, the second module and the 3rd module,
First module is used to determine that diffusing reflection plate decoy lays key element, and the laying key element includes laying orientation/plate face
Towards B1, draw inclined space B2, lay apart from B3With laying quantity B4；
Second module is used for the assessment models for setting up the laying key element：Wherein,
Orientation/plate face is towards B1Assessment models V1For：
N is the diffusing reflection plate quantity laid, θ in formulatsFor diffusing reflection
The protection angle of plate, (：) it is conditional operator, θtwaiThe folder in orientation is laid with itself for the mirror image orientation of i-th piece of target plate direction
Angle, θtwai=min (mod (θtwi+180°-θtai, 360 °), mod (θtai-(180°+θtwi),360°))；
Draw inclined space B2Assessment models V2For：
N is in formula
The diffusing reflection plate quantity of laying, θtpiIt is i-th block of diffusing reflection plate towards the angle of pitch, θtsFor the protection angle of diffusing reflection plate；
ΔθmaFor come the size of the azimuth coverage of attacking threat, Δ θma=mod (θma2-θma1, 360), wherein to attack threat orientation
Scope UmaFor [θma1, θma2]；
ΔθtaiFor i-th of diffusing reflection plate protection angle come attack threaten spatial dimension in azimuthal size, i-th of diffusing reflection
The protection angle of plate is threatening the orientation angular zone U in spatial dimensiontamiFor [θtam1, θtam2], then Utami=Uma∩Utai, Δ θtai
=mod (θtam2-θtam1, 360), wherein UtaiFor the protection angle bearing range of i-th of diffusing reflection plate, its value is [mod (θtwi-
θts, 360), mod (θtwi+θts,360)]；
ΔθtaijThe azimuthal size threatened in spatial dimension is being attacked for diffusing reflection plate i, j protection angle overlapping region, is being overflow anti-
The protection angle overlapping region for penetrating plate i, j is threatening the orientation angular zone U in spatial dimensiontaijFor [θtaij1, θtaij2], then Utaij=
Utai∩Utaj∩Uma, Δ θtaij=mod (θtaij2-θtaij1, 360)；
Lay apart from B3Assessment models V3For：
ρ in formulatiFor diffusing reflection plate i from
By the minimum range of protection target, (：) it is conditional operator；DijFor effective diffusing reflection plate and the distance of other laying equipment, Rm
To attack the radius of damage of threat；N1For the quantity of effective diffusing reflection plate of laying；N2Miscellaneous equipment for laying and do not measure
Effective diffusing reflection plate quantity sum；
Lay quantity B4Assessment models V4For：
N in formulaactFor the diffusing reflection plate quantity of actual use, NoptMake for optimal diffusing reflection plate
With quantity, Nopt×θts>Δθma>(Nopt-1)×θts, Δ θmaFor come the size of the azimuth coverage of attacking threat, θtsFor diffusing reflection
The protection angle of plate；
3rd module is used to be estimated diffusing reflection plate decoy protective benefitses：
<mrow>
<msub>
<mi>V</mi>
<mrow>
<mi>a</mi>
<mi>l</mi>
<mi>l</mi>
</mrow>
</msub>
<mo>=</mo>
<munderover>
<mo>&Sigma;</mo>
<mrow>
<mi>i</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mn>4</mn>
</munderover>
<msub>
<mi>W</mi>
<mi>i</mi>
</msub>
<mo>&CenterDot;</mo>
<msub>
<mi>V</mi>
<mi>i</mi>
</msub>
</mrow>
Wherein, VallFor diffusing reflection plate decoy protective benefitses assessed value, W1Orientation/plate face is laid towards B for estimation items1Weight
Coefficient, W2Draw inclined space B for estimation items2Weight coefficient, W3Laid for estimation items apart from B3Weight coefficient, W4For estimation items cloth
If quantity B4Weight coefficient, W=[W1,W2,W3,W4]=[0.1373,0.5310,0.2555,0.0763]T；
Second module also includes the second submodule, for when being non-interconnected discrete areas by protection target area, according to assessment
Model V3The assessed value of the laying distance of each discrete areas is calculated, then calculates the arithmetic mean of instantaneous value of each assessed value, to obtain quilt
Protect the assessed value of the laying distance of target area.
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