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Issue:
Detection of BPSK signals from fractal noise based on wavelet spectral correlation
Author(s):
LI Qiang
,
LIu Quan-jin
Pages:
125
-
127,163
Year:
2009
Issue:
14
Journal:
Computer Engineering and Applications
Keyword:
BPSK信号
;
分形噪声
;
谱相关
;
小波谱相关
;
Abstract:
小波变换作为一种新兴时频分析方法,其小波谱表征了信号的时频特性.对信号的小波谱以及与魏格纳-维尔分布之间的关系进行了较为详细地讨论.根据时频分析的理论,把小波谱扩展到了小渡谱相关域,提出了小波谱相关分析方法,并应用到分形噪声和BPSK信号的分析上,探讨了它们的相应特性.根据探讨的结果,提出了分形噪声中BPSK信号检测的小波谱相关方法,并对讨论的结果进行了计算机仿真.
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