Using the planar search, code start point and carrier frequency were reached at the same time.

采用了二维联合搜索的快速算法，同时捕获扩频信号的载频和码起点。

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Oscillation modulation circuit which can provide the signal carrier with stable frequency is the key point in the subject.

本课题重点在于设计能给发射机电路提供稳定频率的振荡调制电路。

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