We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests.
提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法，并在测试中达到了较好的性能。
The paper introduces the basic composition of transmitter and receiver in direct-sequence spread spectrum system and gives the detailed design block diagram of the receiver.
针对直接序列扩频信号，介绍了其发射和接收部分基本组成，给出了系统接收部分的具体设计框图。
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