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OFDM系统中降低峰均功率比方法的研究

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摘要 介绍了在电力线通信系统中采用了OFDM技术,OFDM技术存在峰值平均功率(PAPR)比过大,在信号通过非线性功率放大器时,较高的PAPR会产生严重的非线性失真,造成较明显的频谱扩展以及带内信号畸变,导致整个系统性能下降。为避免这种情况,提出了抑制OFDM系统的PAPR的方法。
作者 张春艳 孟克
出处 《科技资讯》 2007年第6期79-,共1页 Science & Technology Information
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