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自回歸模型的時變小波包分解

方浩,  周冰,  薛培鼎,  馮祖仁

方浩, 周冰, 薛培鼎, 馮祖仁. 自回歸模型的時變小波包分解[J]. 電子與信息學報, 2001, 23(11): 1077-1082.
引用本文: 方浩, 周冰, 薛培鼎, 馮祖仁. 自回歸模型的時變小波包分解[J]. 電子與信息學報, 2001, 23(11): 1077-1082.
Fang Hao, Zhou Bing, Xue Peiding, Feng Zuren. TIME-VARYING WAVELET PACKETS DECOMPOSITION FOR AR MODEL[J]. Journal of Electronics & Information Technology, 2001, 23(11): 1077-1082.
Citation: Fang Hao, Zhou Bing, Xue Peiding, Feng Zuren. TIME-VARYING WAVELET PACKETS DECOMPOSITION FOR AR MODEL[J]. Journal of Electronics & Information Technology, 2001, 23(11): 1077-1082.

自回歸模型的時變小波包分解

TIME-VARYING WAVELET PACKETS DECOMPOSITION FOR AR MODEL

  • 摘要: 該文提出了一種基于動態(tài)規(guī)劃的時變小波包分解算法。利用此算法進行小波包分解可以解決以往分解算法如單樹算法無法進行時頻分解而雙樹算法只能進行二叉樹分解的問題。通過對時變自回歸模型的分解仿真實驗,表明在處理時變信號方面,此分解算法比其它算法更具有靈活性。
    Abstract: Based on dynamic programming, a time-varying wavelet packets decomposition algorithm is proposed. Using this algorithm, the problems, that the single tree algorithm cannot adapt to nonstationary signals and the double tree algorithm has strict binary restriction, are solved. Simulation results varify that this algorithm is more flexible than the others in time-varying signal processing.
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  • M.I. Doroslogcki, H. Fan, Wavelet-based linear system modeling and adaptive filtering, IEEE Trans. on Signal Processing, 1996, 44(5), 1156-1167.[2]I. Scott, B. Mulgrew, Nonlinear system identification and predication using orthogonal functions,IEEE Trans. on Signal Processing. 1997, 45(7), 1842-1853.[3]M. K. Tsatsanis, G. B. Giannakis, Time-varying system identification and model validation using wavelet, IEEE Trans. on Signal Processing, 1993, 41(12), 3512-3523.[4]Zixing Xiong, K. Ramchandran, Flexible tree-structured signal expansions using tine-varying wavelet packets, IEEE Trans. on Signal Processing, 1997, 45(2), 333-344.[5]C. Herley, J. Kovacevic, Tiling of time-frequency plane: construction of arbitrary orthogonal bases and fast tiling algorithms, IEEE Trans. on Signal Processing, 1993, 41(12), 3341 3360.
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  • 文章訪問數(shù):  1984
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出版歷程
  • 收稿日期:  1999-05-21
  • 修回日期:  2000-05-19
  • 刊出日期:  2001-11-19

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