It is proved that this method has high precision, strong restrain against noises, and low rate of inv . . .
实验结果证明，该方法精确度高，噪声抑制力强，而且诊断准确，大大降低了虚警率。The position of the shelter targets can be finely detected with position features, while high false alarms ratios will emerge.
位置特征可以较好的检测出掩体目标所在位置，但也会形成较高的虚警率；The main content of this paper is the CFAR detection technology in the strong sea clutter background with high-grazing angle.
本文以强海杂波背景下高掠射角情况的恒虚警检测技术为主要研究内容。The high rate of false alarm is the main problem that influences the performance of builtin test (BIT) system and its wide application.
虚警率高是困扰机内测试（BIT）系统得到广泛应用的主要原因。Finally, a constant false alarm rate (CFAR) detector is constructed by means of generalized likelihood ratio test (GLRT).
最后在特征层利用广义似然比检验构造出具有恒虚警特性的检测器，完成融合检测过程。So the false alarm signals had to be filtered in the stage of holding down background clutters .
因此，必须设法在复杂背景抑制段将虚警探测讯息滤除掉。Automatic censored algorithm is analyzed. The analytic expressions of average false alarm and average detection probabilities are derived.
分析了自动删除算法的性能，推导了该方法的平均虚警概率，平均检测概率的解析表达式。At last, threshold and the relationship between the probability of false alarm is come out by simulation and performance analysis.
最后，通过仿真实验和性能分析得出了门限与虚警概率的关系。CFAR detection is an important part of signal processing technology, and as a main pretreatment, CFAR has been applied widely.
恒虚警率处理是信号检测技术的重要部分，在很多信号处理系统中作为前端处理或预处理有着广泛的应用。