The paper discusses the acquisition and tracking of the PN code and the tracking of the carrier in high dynamic range , low SNR and long PN code.
讨论了高动态、低信噪比、长伪码序列扩频信号的伪码捕获、跟踪、载波跟踪与数据解调方法。
Discusses the basic theory of PN code parallel fast acquisition of high dynamic in GPS, the method of confirming the auto adaptive threshold and some important problems in acquisition process.
讨论了高动态下GPS伪随机码并行搜索的基本原理，以及自适应门限确定方法与搜索过程中应注意的问题。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
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