介绍了雷达接收机噪声及其相关函数的特点，对噪声经过窄带滤波、检波电路后的变化及其对雷达跟踪精度的影响进行了定量分析。给出了噪声随机的测量方法。

This paper introduces the characteristics of the noise in radar receiver and its interrelate function.Furthermore,the change of the noise through narrowband filter and detection circuit and the effect on the radar tracking precision are analyzed in quantity.The method of measuring the random error is given.

TN957.5