System identification based on wavelet packets decomposition

M. Takahashi, H. Ohmori, A. Sano

研究成果: Conference article査読

2 被引用数 (Scopus)


This paper is concerned with a new system identification approach based on the wavelet packets (WP) decomposition. The impulse response in the WP transform domain is estimated by using the least squares (LS) method by use of the transformed input/output data. Then the estimate of the original impulse response can be reconstructed from the estimate in the transform domain by using the property of the inverse WP transform. The MSE is evaluated and investigated, then it is clarified that the MSE can be minimized by an optimal choice of the resolution level and the packets. Therefore, it will be very effective in ill-conditioned system identification using a band-limited input signal.

ジャーナルIEE Conference Publication
出版ステータスPublished - 1998 1 1
イベントProceedings of the 1998 International Conference on Control. Part 2 (of 2) - Swansea, UK
継続期間: 1998 9 11998 9 4

ASJC Scopus subject areas

  • 電子工学および電気工学


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