Wigner filtering with smooth roll-off boundary for differentiation of noisy non-stationary signals

被引:24
作者
Georgakis, A [1 ]
Stergioulas, LK [1 ]
Giakas, G [1 ]
机构
[1] Univ Lancaster, Dept Commun Syst, Lancaster LA1 4YR, England
基金
英国工程与自然科学研究理事会;
关键词
Wigner distribution; time-frequency filtering; signal differentiation;
D O I
10.1016/S0165-1684(02)00215-3
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Noise filtering in the time-frequency domain using a smooth roll-off boundary in the Wigner function is shown to yield substantial benefits for accurate signal differentiation. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:1411 / 1415
页数:5
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