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中南大学学报(英文版)

Journal of Central South University

Vol. 22    No. 7    July 2015

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Wavelet basis construction method based on separation blast vibration signal
LING Tong-hua(凌同华)1, ZHANG Sheng(张胜)1, CHEN Qian-qian(陈倩倩)2, LI Jie(李洁)3

1. School of Civil Engineering and Architecture, Changsha University of Science & Technology,
Changsha 410114, China;
2. Institute of Civil Engineering, Hunan Communication Polytechnic, Changsha 410132, China;
3. School of Construction Engineering, Xinyu University, Xinyu 338004, China

Abstract:As wavelet basis in wavelet analysis is neither arbitrary nor unique, the same signal dealing with different wavelet bases will generate different results. Therefore, how to construct a wavelet basis suitable for the characteristics of the analyzed signal and solve its algorithm and realization is a fundamental problem which perplexed many researchers. To solve these problems, in accordance with the basic features of the measured millisecond blast vibration signal, a new wavelet basis construction method based on the separation blast vibration signal is proposed, and the feasibility of this method is verified by comparing the practical effect of the newly constructed wavelet with other known wavelets in signal processing.

 

Key words: wavelet basis construction; curve fitting; millisecond blast vibration signal; sub-signal

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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