基于多光谱辐射特性差异的最佳探测波段的确定方法.pdf

《基于多光谱辐射特性差异的最佳探测波段的确定方法.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、第43卷第8期红外与激光工程2014年8月Vo1．43NO．8InfraredandLaserEngineeringAug．2014BestdetectionwavelengthbandsselectionmethodbasedonmultispectralradiationdifferenceShuRui，一，ZhouYanping，LuChunlian2(1．ShanghaiInstituteofSatelliteEngineering，Shanghai200240，China；2．SchoolofAstronautics，HarbinI

2、nstituteofTechnology，Harbin150001，China)Abstract：InlowSNRcases，thedistinctionbetweenspatialpoint-targetandinterferenceslikedecoysisstillaverydifficultproblem，especialbetweenthesatellitestargetandmooringdecoys．Atthattimedecoyshavethesameorbitandsimilarshapewiththespatialtarg

3、et，SOthatonlycouldbeusedtodistinguishthetargetistheradiationdifference．Howeveritisnoteasytoextractthemulti—spectralradiationwhichisinfluencedbythedetectiondistanceandobservationangle．Inthispaper，basedonthecharacteristicsthattargetandinterferenceslikedecoysandnoisehavediffer

4、entradiationintensityandradiationchangingfrequency，theconceptoftheequivalentblackbodytemperatureinseveralbands(EBTSB)wasbuilt．ThenthecalculationmodelofEBTSBwasdesigned，whichcouldeffectivelyreducetheinterferenceofthespaceenvironmentandfullyshowedtheradiationdifferencesbetwee

5、npoint—targetandinterferenceslikedecoys．Undernoisesinterference，thismodelwouldproducecalculationerror，anddifferentbandscombinationshaddifferenterortransmissioncapacity．Inordertomakeerrorminimum，thebestdetectionbandsneedtobedetermined．Inthispaper，thebestdetectiondual—bandsan

6、dthebestdetectionmulti-bandswereobtainedbycalculatingthetrendoferrorwiththebandparametersundernoisesinterference．Byanalyzingtheresultsofthesimulationexperiments，thebestdetectiondual-band．willhave20％advantageandthebestdetectionmulti—bandswillfurtherreduceerror20％，whichprovet

7、hecorectnessoftheconclusionsofthispaper．Keywords：bestdetectionbands；equivalentblackbodytemperatureinseveralbands(EBTSB)；spatialpoint—target；decoyCLCnumber：TN215Documentcode：AArticleID：1007—2276(2014)08—2505—08基于多光谱辐射特性差异的最佳探测波段的确定方法舒锐1,2，周彦平，卢春莲。(1．上海卫星工程研究所，上海200240；2．哈尔滨工

8、业大学航天学院，黑龙江哈尔滨150001)摘要：低信噪比情况对空间点目标的识别仍然是很困难的问题，尤其在区分卫星目标和系留诱饵等干扰时尤为困难。此时系留诱饵与目标具