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A Passive Location Method of Single Airplane for a Fixed Emitter

HE Qing-yi1,HU Dong2,LI Yan-bin1(1.The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China;2.The Unit 65016 of PLA,Shenyang Liaoning 110162,China)  
This paper first gives two models of location of a fixed emitter,model 1 is single station passive location of a fixed emitter with angel measuring information,model 2 is single station passive location of a fixed emitter with the angel and its,then analyzes and compares the two methods by Extended Kalman Filtering,finally concludes that the location algorithm of angel measuring information and its variable rate not only can achieve instant location for a fixed emitter,but also can get faster and more precise location result than that of location only by direction finding.
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