This paper simulates the direct sequence spread spectrum system for doublephase sequence through different modulation mode (BPSK,QPSK) by simulink toolbox in matlab and then gives the simulation diagram and the parameters and the emulate running result of the whole system.
本文利用matlab里的simulink工具箱,分别采用了BPSK和QPSK两种不同的调制方式,对二相序列的直接扩频系统进行了仿真,给出了仿真设计框图、参数及仿真运行结果。
参考来源 - 扩频系统的Simulink仿真·2,447,543篇论文数据，部分数据来源于NoteExpress
Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.
其中直接序列扩频通信是目前使用最典型的扩频工作方式。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
The performance of Direct Sequence Spread Spectrum(DSSS) in severe pulsed noise interference will be badly degraded when the duty factor is small.
当脉冲干扰占空比较小时，干扰能量集中，导致直接序列扩频（DSSS）系统的误码性能较差。
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