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analysis

于 2010-06-03 发布文件大小:127KB

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：正交频分复用( O F D M) 是第四代移动通信的核心技术。该文首先简要介绍了O F D M基本原理，重点研究了理想同步情况下，保护时隙( c P )和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对O F D M系统性能的影响。在给出O F DM系统模型的基础上，用 MAT L A B语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下，保护时隙、信道估计方法对 OF DM系统误码率影响的比较曲线，得出了较理想的结论。关键词：正交频分复用；仿真；循环前缀；信道估计(good)

文件列表：

基于matlab的ofdm系统仿真及性能分析
..................................\基于MATLAB的OFDM系统仿真及性能分析.CAJ,219536,2010-05-20
..................................\请阅读-下载说明.html,2232,2008-12-15

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