Journal of Systems Engineering and Electronics ›› 2013, Vol. 35 ›› Issue (3): 463-468.doi: 10.3969/j.issn.1001-506X.2013.03.02
刘维建1,2, 谢文冲2, 王永良2
LIU Wei-jian1,2, XIE Wen-chong2, Wang Yong-liang2
摘要:
分析了对角加载自适应匹配滤波器(diagonally loaded adaptive matched filter, DL-AMF)和对角加载自适应相干估计器(diagonally loaded adaptive coherence estimation, DL-ACE)的检测性能;推导了二者的渐近统计分布,得到了解析的虚警概率(probability of false alarm, PFA)和检测概率(probability of detection, PD)表达式。与常规AMF和ACE相比,尤其是在训练样本不足的情况下,DL-AMF和DL-ACE的检测性能大为提高,并且二者都具有渐近恒虚警(constant false alarm rate, CFAR)特性。