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2012 (Vol. 4, Issue: 11)
Article Information:

Analysis of a New Joint Time-Frequency Distribution of Suppressing Cross-Term

Yuhua Dong and Yanqiu Cui
Corresponding Author:  Yuhua Dong 

Key words:  Cross-terms, joint time-frequency distribution, non-linear filter, wigner-ville distribution, , ,
Vol. 4 , (11): 1580-1584
Submitted Accepted Published
January 12, 2012 March 02, 2012 June 01, 2012

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.
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  Cite this Reference:
Yuhua Dong and Yanqiu Cui, 2012. Analysis of a New Joint Time-Frequency Distribution of Suppressing Cross-Term.  Research Journal of Applied Sciences, Engineering and Technology, 4(11): 1580-1584.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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