Time-frequency Localization Characteristics of A Novel Class of Complex Wavelet

Tao Deyuan; Yuan Xiao; He Xiaohai

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Volume 30 Issue 1

Jan. 2018

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Article Navigation > Journal of University of Electronic Science and Technology of China > 2001 > 30(1): 21-25

Tao Deyuan, Yuan Xiao, He Xiaohai. Time-frequency Localization Characteristics of A Novel Class of Complex Wavelet[J]. Journal of University of Electronic Science and Technology of China, 2001, 30(1): 21-25.

Citation:

Tao Deyuan, Yuan Xiao, He Xiaohai. Time-frequency Localization Characteristics of A Novel Class of Complex Wavelet[J]. Journal of University of Electronic Science and Technology of China, 2001, 30(1): 21-25.

Time-frequency Localization Characteristics of A Novel Class of Complex Wavelet

1.
College of Electronic Information,Sichuan University Chengdu 610064

Received Date: 2000-01-13
Publish Date: 2001-02-15

Abstract

In this paper, a novel class of complex wavelet is introduced. Time, frequency and time-frequency localization characteristics are investigated using time operator. Theoretical and numerical analysis shows that the new class of wavelet possesses excellent time-frequency localization. Many complex wavelets are constructed, which are approximate to the optimal time-frequency window function by changing two controlling parameters of the new wavelet.
- complex wavelet,
- time operator,
- time width,
- band width,
- localization characteristics
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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