雷达电子战的专业公式汇总.docx

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1、雷达电子战的专业公式汇总目录1 .频段划分12 .天线53 .检测与估计84 .傅里叶变换165 .雷达196 .电子战261.频段划分Frequency(GHz)i23456810152030406080100200300400Frequency(MHz)20301002003005001.5U.S.IndustryStandardBands(IEEERadarDesignation)Internationa1StandardBands7(HF)9(UHF)Mi1itaryStandardBands8(VHF)射频传播RFPropagationRADARHORIZONDh=y2HReH:Ho

2、rizonRe:EarthRadius6,371km111:H&爵好MRFPropagationFRIISTRANSMISSIONEQUATIONPr=P向Gr扁Pr:ReceivedPoyverPtiTransniitPowerGt:TransmitGainGr:ReceiveGainRiRangeRFPropagationTARGETVISIBI1ITYTarget_（诙吆etRange,2HRe）2Height2ReH:HorizonRe:EarthRadius6i371kmRFPropagationWAVE1ENGTHVHFIOOMHz3.00mS3GHz0.1OmC6GHz0.05m

3、XIOGHz0.03mBandfWave1engthc:SpeedfiFrequencyRFPropagationDOPP1ERSHIFTfd=-2vrX-bandS-bandVe1ocity300ms300m/sWave1ength0.03m0.1mDoppIerShift20kHz6kHz2.天线AntennasANTENNABEAMWIDTHPhasedArrayfRadians().886丁b叫他NdCOS00Parabo1ic,Radians、.BWsw088jDnu11dnVY3dBd:Wave1engthd:AntennaDiameterd碧达通信包渤AntennasANTENN

4、ADIRECTIVITY(1802r40000D4M2dFMded：Ha1f-powerbeamwidthinoneprincipa1p1ane(degrees)”:Ha1f-powerbeamwidthintheotherprincipa1p1ane(degrees)AntennasANTENNAGAINGant=4cAe2Ae:EffectiveApertureArea:Wave1ength3.检测与估计Detection&EstimationProbabi1ityCramerrao1owerboundCRBa/”伉Ma仇PGUaJ1ae.x:Observationsp:Probabi1i

5、tydistributionfunction(orjoint);DistributionparameterscanbevectorsDetection&EstimationProbabi1ityBINOMIA1f(k;nyP)=Pr(X=k)=()pk(1-p)nkp:Successprobabi1ityofeachtria1kNumberofsuccessesn:Numberoftria1sDetection&EstimationProbabi1ityRAY1EIGH一.、=1/=二.飞-NyCfKf1AtUt:.:sk1/ Q=1vjySjjaDS3qEnNSU.2一一M.一aJSo:JX

6、(HJN+HWaU7.S2POOP-8Smy(F)J KH(HfAe7 EUPOUwqI(BFx)JIJH(BX ? J也JH(H 4 SPoOU7(一WJXX(WjX(_ZH(HcE .;W一启:匕Zo卷jwN。=VMIAHH43NM.8 3oJdJUPu6.电子战E1ectronicWiaryI,eNOISEJAMMINGPtGtGr入2Edarmdr(4)3R4J(EIRPjaEf4R2S-KEIRPradar-IfBWjamBWradarD*金工T,jammedAssume:JNBWJafn=wRadarMaifi1obeR4=PGGNEfied(4x)3(kTsBzNf+J)*SNR

7、1r1tIs:RadarRrcrrvrrosm*sRadarTYansmirPcnverG,一RadarIransffiitterGaino:KadarT1rrgctRadarCrossSectionB1，:RudarTransmitRam1widthBWjIammerTransmitBandwidrixJ:JammerPoerRtnaxmmrrJammedRiidarRange(BurnthroughRange)JatfSr1JPmtccfJammervrrJ/S:JamtoSigna1RatioatRiuiar*fS:RadarReceivedSigna1JmcPtjttm-JammerTransmitPoorerG.-1Jammer1ranmi1GuitiRARanfebetweenJammerandRadarR:Kun7fe1engthG-:RadarReceiverGainRWMaxRadarRanfcJ/N:JammertoNoiseRatioN:Tota1NOiSCk:Ba1tzmannsrms5CRatiaN/:ReceiverNoBeFigure(JWr意旨j尢寸甬r1三旦千占戈