https://scholars.lib.ntu.edu.tw/handle/123456789/328415
標題: | Elimination of interference component in Wigner-Ville distribution for the signal with 1/f spectral characteristic | 作者: | Chan, Hsiao-Lung JIUNN-LEE LIN HUI-HSUN HUANG Wu, Chien-Ping |
關鍵字: | Heart rate variability; Interference suppression; Spectral analysis; Wignet distribution | 公開日期: | 1997 | 卷: | 44 | 期: | 9 | 起(迄)頁: | 903 | 來源出版物: | IEEE Transactions on Biomedical Engineering | 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(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. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-0031238556&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/328415 |
ISSN: | 0018-9294 | DOI: | 10.1109/10.623060 |
顯示於: | 醫學院附設醫院 (臺大醫院) |
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