# 短波频段单载波和多载波信号识别

Digital Communication World - - Contents 目次 - 万 莎，徐 彪

1 引言

[6]

2 短波数据采集

3 小波分解和特征参数提取

d1描绘的是信号的迅速部分，是信号细节，占所有信

4 仿真分析

k

（k=1,2 ! N）表示第k层的细节分量，求每层分量中最大的模值，用d'k=|max(dk)|表示。区分单载波和多载波的特征参数定义为

4.1 基于小波分解的类间识别

Matlab环境下，采用watterson模型，设多径路数为4，信噪比取值为0～20db，单载波和多载

4.2 对实际数据的类间识别

5 结束语

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2011,7

[7]曹鹏，彭华，董延坤等．一种基于循环前缀的OFDM盲检测及参数估

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2010,32(7): 1756-1759