Chan, Hsiao-LungHsiao-LungChanJIUNN-LEE LIN​HUI-HSUN HUANGWu, Chien-PingChien-PingWu2018-09-102018-09-1019970018-9294http://www.scopus.com/inward/record.url?eid=2-s2.0-0031238556&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/328415A 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(α) 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. 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 α 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.enHeart rate variability; Interference suppression; Spectral analysis; Wignet distributionjournal article10.1109/10.6230609282483