Complex variational mode decomposition for signal processing applications
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- 作者：Yanxue Wang ; Yan.xue.wang@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Fuyun Liu ; Zhansi Jiang ; Shuilong He ; Qiuyun Mo
- 关键词：Variational mode decomposition (VMD) ; Complex-valued signals ; Complex variational mode decomposition (CVMD) ; Time-frequency analysis ; Rubbing
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2017
- 出版时间：1 March 2017
- 年：2017
- 卷：86
- 期：part_PA
- 页码：75-85
- 全文大小：1702 K
文摘
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The complex variational mode decomposition (CVMD) is proposed for the analysis of complex-valued data.
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The equivalent filter bank structure of the CVMD is investigated via numerical experiments.
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The bi-directional Hilbert time-frequency spectrum of CVMD is developed.