Elimination of interference component in Wigner-Ville distribution for the signal with 1/f spectral characteristic

被引：5
作者：
Chan, HL
Lin, JL
Huang, HH
Wu, CP
机构：
[1] NATL TAIWAN UNIV,DEPT ELECT ENGN,TAIPEI 10764,TAIWAN
[2] HWA HSIA COLL TECHNOL & COMMERCE,DEPT ELECT ENGN,TAIPEI,TAIWAN
[3] NATL TAIWAN UNIV HOSP,DEPT INTERNAL MED,DIV CARDIOL,TAIPEI 100,TAIWAN
来源：
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING | 1997年 / 44卷 / 09期
关键词：
heart rate variability; interference suppression; spectral analysis; Wigner distribution;
D O I：
10.1109/10.623060
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A new technique for interference-term suppression in Wigner-Ville distribution (WVD) is proposed for the signal with 1/f spectrum shape. The spectral characteristic of the signal is altered by f(alpha) filtering before time-frequency analysis and compensated after analysis. With the utilization of the proposed technique in smoothed pseudo Wigner-Ville distribution, an excellent suppression of interference component can be achieved.
引用
收藏
页码：903 / 907
页数：5
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