Optimum wavelet packet basis for remote blasting vibration wave propagating in deep underground country rock

M. W. Zhang, Hideki Shimada, Takashi Sasaoka, K. Matsui

研究成果: Chapter in Book/Report/Conference proceedingChapter

抄録

An optimum basis function is quite necessary for achieving a more effective signal processing of remote blasting vibration wave in wavelet packet transform. To screen this optimum wavelet packet basis from varying wavelet families, signal reconstruction capability of each basis is firstly verified by root mean square error. Different with the conventional approach, retaining capability of signal identifying character is compared secondly by the correlation of initial signal and its compressed body based upon the same energy representation. Findings finally indicate that sym5 is the optimum wavelet packet basis function for such noisy blast signal.

本文言語英語
ホスト出版物のタイトルRock Dynamics and Applications - State of the Art
出版社CRC Press
ページ543-549
ページ数7
ISBN(電子版)9781315887067
ISBN(印刷版)9781138000568
出版ステータス出版済み - 1 1 2013

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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