基于回波幅度特征的拖曳式诱饵存在性检测
doi: 10.3724/SP.J.1146.2010.01180
Detection of Presence of Towed Radar Active Decoy Based on Amplitude Characteristic
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摘要: 诱饵的存在性检测是对抗拖曳式有源雷达诱饵干扰的前提，也是决定抗干扰效果的重要因素。该文基于雷达波束内诱饵存在导致的回波幅度特征变化，通过提取诱饵存在/不存在两种情况下雷达接收信号的幅度特征差异，推导了两种条件下雷达观测幅度的条件概率密度函数，在此基础上提出了基于回波幅度特征的广义最大似然存在性检测方法。结合不同干扰场景仿真验证了该方法的有效性。Abstract: The detection of presence of decoy is the foundation of countering the Towed Radar Active Decoy (TRAD) and deciding the effect of ECCM. Based on the distinction of the amplitude characteristic on the condition of the decoy is present or not, the conditioned probability density functions (pdfs) of the measured amplitude are given. Generalized Maximum Likelihood (GML) detection of the presence of TRAD is developed with the amplitude characteristic. Simulation results with different condition illustrate the performance of the method.
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