Abstract
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Article Information:
Analysis of a New Joint Time-Frequency Distribution of Suppressing Cross-Term
Yuhua Dong and Yanqiu Cui
Corresponding Author: Yuhua Dong
Submitted: January 12, 2012
Accepted: March 02, 2012
Published: June 01, 2012 |
Abstract:
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In this study, we proposed a joint time-frequency distribution of suppressing cross-terms aiming at
cross-terms interference of Wigner-Ville distribution. According to the analyzed signal, the Wigner-Ville
distribution and Smooth Pseudo Wigner-Ville distribution can be obtained. Moreover, the prototype of timefrequency
distribution can be obtained by non-linear filter for Smooth Pseudo Wigner-Ville distribution. In this
way, the distributions the joint time-frequency distribution came to the result of the product of two. As a result,
the joint time-frequency distribution can suppress cross-terms effectively and keep high time-frequency
resolution. Finally, simulations and experiments prove the effectiveness of the proposed method.
Key words: Cross-terms, joint time-frequency distribution, non-linear filter, wigner-ville distribution, , ,
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Abstract
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Cite this Reference:
Yuhua Dong and Yanqiu Cui, . Analysis of a New Joint Time-Frequency Distribution of Suppressing Cross-Term. Research Journal of Applied Sciences, Engineering and Technology, (11): 1580-1584.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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