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Simulation Study on Multi-Rate Time-Frequency Analysis of Non-Stationary Signals

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Abstract

A new time-frequency analysis method is proposed in this study using a multi-rate signal decomposition technique for the analysis of non-stationary signals. The method uses a multi-rate filter bank for an improved non-stationary signal decomposition treatment, and uses the Wigner-Ville distribution (WVD) analysis for signal reconstruction. The method presented in this study can effectively resolves the time and frequency resolution issue for non-stationary signal analysis and the cross-term issue typically encountered in time-frequency analysis. The feasibility and accuracy of the proposed method are evaluated and verified in a numerical simulation.

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Authors and Affiliations

  1. School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao, Shandong, 266520, China

    Haibo Lin  (林海波), Zhibin Gao  (高志彬) & Tianran Lin  (林天然)

  2. College of Automation and Electrical Engineering, Qingdao University, 266424, Qingdao, Shandong, China

    Haibo Lin  (林海波) & Chuijie Yi  (仪垂杰)

Authors
  1. Haibo Lin  (林海波)
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  2. Zhibin Gao  (高志彬)
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  3. Chuijie Yi  (仪垂杰)
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  4. Tianran Lin  (林天然)
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Corresponding author

Correspondence to Tianran Lin  (林天然).

Additional information

Foundation item: the National Natural Science Foundation of China (No. 61271387), and the Shandong Provincial Government’s Taishan Scholar Program

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Lin, H., Gao, Z., Yi, C. et al. Simulation Study on Multi-Rate Time-Frequency Analysis of Non-Stationary Signals. J. Shanghai Jiaotong Univ. (Sci.) 23, 798–802 (2018). https://doi.org/10.1007/s12204-018-1967-0

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  • DOI: https://doi.org/10.1007/s12204-018-1967-0

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