Then digital matched filter (DMF), which is used to synchronize spread spectrum code, especially the multi-rate sampling in DMF is studied.

然后探讨了用于扩频码同步的数字匹配滤波器（DMF），着重分析了DMF的多倍码速率采样问题；

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This function is used to forward link IS-95 system simulation, including the spread spectrum modulation, matched filter, RAKE receiver, and other related communication module.

此函数用于IS-95前向链路系统的仿真，包括扩频调制，匹配滤波，RAKE接收等相关通信模块。

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In view of the acquisition in spread spectrum wireless data communication system, a new way using PN matched filter is proposed in this paper, which increase the efficiency of communication greatly.

本文针对扩频无线数据通信系统的捕获问题，提出了一种采用PN匹配滤波器实现的方法，大大提高了通信效率。

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This produces a characteristic wiggle on a graph, a so-called power spectrum, which can then be matched against theoretical expectation.

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