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中文摘要：
提出了2种新型基于修正秩检验的非参量检测器：广义符号修正秩检测器和Mann-Whitney修正秩检测器。通过Monte-Carlo仿真分析了这2种检测器对起伏雷达目标的检测性能,并分别与4种经典的非参量检测器：广义符号检测器、Mann-Whitney检测器、修正秩方检测器和Savage检测器的检测性能进行了比较。广义符号修正秩和Mann-Whitney修正秩检测器是通过设计秩统计量的逆正态得分函数来获得检验统计量,通过Monte-Carlo仿真实验得出比修正前的非参量检测器有更好的检测性能。这2种新型修正秩检测器对积累分布函数连续且概率密度函数服从对称分布的数据具有恒虚警性能。
英文摘要：
Two new nonparametric detectors named GSMR and MWMR based on modified rank test are proposed in this paper.The detectability of the two nonparametric detectors to fluctuating radar echo signals is analyzed by monte-carlo simulation,and compared with four classical nonparametric detectors such as generalised sign detector,mann-whitney detector,modified rank square detector and savage detector.GSMR and MWMR detector are achieved by designing the inverse-normal-score functions of the rank statistics,and the results of monte-carlo simulation show that the detectability of the new detectors is superior to their original ones.The new nonparametric detectors are CFAR（Constant False Alarm Rate） to the data from continuous CDF（Cumulative Distribution Function） and PDF（Probability Density Function） is symmetric about zero.
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