Contrast of Time-Frequency Analysis Methods and Fusion of Wigner-Ville Distribution and Wavelet Transform

Hui Xing Zhang; Jie Li; Qi Lin; Jian Zhi Qu; Qi Zheng Yang

doi:10.4028/www.scientific.net/AMR.805-806.1962

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Contrast of Time-Frequency Analysis Methods and...

Contrast of Time-Frequency Analysis Methods and Fusion of Wigner-Ville Distribution and Wavelet Transform

Abstract:

Time-frequency analysis is a powerful tool for analyzing non-stationary signals, which can describe the signals frequency varying with time and provide us the joint information of time domain and frequency domain of the signal. We use a synthetic signal to realize the time-frequency analysis methods of wavelet transform, S transform and Wigner-Ville distribution. Through comparing and analyzing those time-frequency distributions, we propose a new method of integrating wavelet transform and Wigner-Ville distribution. This new method gives a better result than that of wavelet transform and Wigner-Ville distribution and increases the time-frequency resolution.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

1962-1965

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.1962

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Online since:

September 2013

Authors:

Hui Xing Zhang, Jie Li, Qi Lin, Jian Zhi Qu, Qi Zheng Yang

Keywords:

Fusion, S Transform, Time-Frequency Analysis, Wavelet Transform (WT), Wigner-Ville Distribution (WVD)

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