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| RESEARCH ON THE APPLICATION OF SGWT ALGORITHM IN BLASTING VIBRATION SIGNAL ANALYSIS |
| XIE Quan-min, LONG Yuan, XU Quan-jun, ZHONG Ming-shou, LU Liang, |
| Engineering Institute of Engineering Corps, University of Science & Technology of PLA，Nanjing 210007, China |
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Abstract The Second generation wavelet packet (SGWP) algorithm was studied under the mode of lifting scheme，and was successfully used in the de-noising of blasting vibration monitoring signals, which laid important foundation for extracting characteristics of blasting vibration signals. The relative energy distribution of each frequency band was got quickly and accurately, based on the SGWP algorithm, and the energy dominant wavelet packets were extracted to express the time-frequency and energy characteristics of blasting vibration signals. SGWP algorithm was introduced into blasting vibration effects analysis fields, which will provide technical supports and data analysis basis for the construction of large network blasting vibration monitoring and control platform, so it will has a good application prospect.
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Received: 26 April 2011
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2012, Vol. 31 
