...分成若干份子集,每个子集包含若干个子载波符号,并求得每个子集的元素平方均值,利用恒虚警概率(Constant False-alarm Rate, CFAR)和顺序统计(Order Statistics, OS)理论,得到门限因子。
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...的基础上认为,采用二维有序统计恒虚警处理方法(2D OS CFAR)适合于机载监视雷达地杂波背景中的恒虚警概率(constantfalsealarmrate,CFAR)检测。同时,对该方法在不同杂波背景、不同窗口大小、不同干扰数目时的检测性能进行了理论分析和实验仿真。
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利用恒虚警概率 CFAR ; Constant False-alarm Rate
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仿真结果表明,周期斜率方差检测器是一种恒虚警概率检测器,在较低信噪比下可有效检测双曲调频信号,并对多普勒失配有很好的适配性。
The simulation result shows that VPSD is a kind of constant false alarm rate detector, which can detect HFM signal effectively in low SNR, and can adapt to the Doppler mismatch very well.
对这种新的恒虚警算法在斯威林2型目标假设下,我们获得了虚警和探测概率的解析表达式。
For this new CFAR detector we obtain analytic expressions of the false alarm rate and detection probabilities un-der the Swerling 2 assumption.
提出了一种基于杂波模型的极化自适应恒虚警检测算法,该算法比极化自适应匹配滤波器算法有更小的估计损失,并推导出了虚警概率表达式。
A model - based polarimetric adaptive CFAR detection algorithm is derived that has a lower estimation loss. A theoretical expression is derived for constant false alarm rate of the proposed algorithm.
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