Time-frequency analysis of nonstationary vibration signals for deployable structures by using the constant-Q nonstationary gabor transform
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- 作者：Tao Liua ; b ; Shaoze Yana ; yansz@tsinghua.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wei Zhangc
- 关键词：Deployable structures ; Nonstationary signal ; Time&ndash ; frequency analysis ; Nonstationary Gabor frame ; Constant-Q nonstationary Gabor transform
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2016
- 出版时间：15 June 2016
- 年：2016
- 卷：75
- 期：Complete
- 页码：228-244
- 全文大小：3912 K
文摘
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The CQ-NSGT is modified with a zero fill operation.
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The modified CQ-NSGT is applied on the vibration signal of a deployable structure.
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The vibration properties of the deployable structure are analyzed.
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The limitations of STFT, Wigner-Ville distribution and HHT are discussed.