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《Journal of Projectiles,Rockets,Missiles and Guidance》 2008-06
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Theoretical Method for Evaluating the Detecting Capability of Laser Ranging Radar

LAI Jiancheng,WANG Chunyong,JIANG Haijiao,LI Zhenhua(School of Science,Nanjing University of Science and Technology,Nanjing 210094,China)  
Mathematical expressions of detecting probability(DP) and error ranging probability(ERP) of laser ranging radar are presented based on the statistic theory of noise in laser radar.Based on those formulas,the influences of the threshold noise ratio(TNR),signal-noise-rate(SNR) and detection range on the DP and ERP are discussed comprehensively.A method for setting optimum threshold voltage on the basis of ERP and a method for evaluating the detecting capability of laser radar under the condition of the scheduled RP and ERP are proposed in the paper,and the theoretical evaluating method is used to analyze the influences of the sunlight background and the reflected characteristic of targets on the detecting capability of laser radar.
【CateGory Index】: TN953.2
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