This paper proposes a carrier phase tracking loop dedicated for VSB demodulation.

本文提出了一种专门用于数字VSB解调的载波相位跟踪环。

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Because of the frequency lock loop traction PLL filter can be designed very narrow, with very good noise suppression performance, to meet the precise requirements of carrier phase tracking.

由于有锁频环的频率牵引，锁相环路滤波器可以设计得很窄，具有很好的抑噪性能，满足精确跟踪载波相位的要求。

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The closed expression form of the maximum carrier phase tracking error caused by multipath effect is derived in this paper based on multipath signal characteristics and GPS receiver work mechanism.

推导了GPS接收机中多径效应引入的最大载波相位跟踪误差的闭合形式。

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