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基于MATLAB的扩频通信系统仿真研究.pdf

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仿真技术

文章编号:1008-0570(2006)07-1-4)242-03

基于MATLAB的扩频通信系统仿真研究

SimulationoftheCommunicationBasedonMATLAB

SpreadSpectrumSystem

(上海交通大学)范伟翟传润战兴群

Fan,WeiZhai,ChuanrunZhan,Xingqun

统仿真模型,详细讲述了各模块的设计,并指出了仿真建模中要注意的问题。在给定仿真条件下,运行了仿真程序,得到了

预期的仿真结果。同时。利用建立的仿真系统,研究了扩频增益与输出端信噪比的关系,结果表明,在相同误码率下,增大扩

频增益。可以提高系统输出端的信噪比。从而提高通信系统的抗干扰能力。

关键词:扩频通信;信噪比;误码率;扩频增益‘

中图分类号:田吟14.42文献标识码:A

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pointedproblemspay

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werethefan-outelTOrrate

gained.Moreover,therelationshipspreadspectrumgainby

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thesimulationthatonthebasethesame

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be

nal—to—Noiseofthefan—outwouldbeenhancedandtheofthecominunicarlonwouldalso

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enhanced.

spectrumcomm

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