码跟踪环的设计是伪码测距系统的一个关键环节，其参数的选择对环路跟踪曲线影响很大。
The design of code loop is the key point in the ranging system. And the choice of its parameter greatly affect the trace curve.
介绍了伪距解除相关法的原理，设计了一种加权平均跟踪误差估计器，用以估计GPS接收机码环跟踪误差。
The principle of the decorrelated pseudo range approach is presented. A weighted mean tracking error estimator is designed to estimate the GPS receiver code loop tracking error.
本文分析了跟踪干扰对跳频系统中码跟踪环性能的影响。
In this paper, the effects of a follower jamming on the performance of a delay-lock code tracking loop in a frequency hopping system are analysed.
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