Blasting Vibration Signals Time-Frequency Analysis Based on S-Transform


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Introduced the theory of S-transform, designed simulation experiment and the frequency components distribution versus time was, verified that the S-transformation method is suitable for blasting vibration signal time-frequency analyzed. Applied it to the time-frequency analysis of measured blasting vibration signals at situ, the results show that S-transform has excellent time-frequency representation ability and higher resolution, reveals the detail information of blasting vibration wave changing with time and frequency, and provides a new way for blasting vibration research. Determined the desired delay intervals through comparing the energy of signal and the time duration of the waveform at characteristic frequency between two-hole blasting vibration signals with different delay intervals.



Advanced Materials Research (Volumes 588-589)

Edited by:

Lawrence Lim




D. T. Li et al., "Blasting Vibration Signals Time-Frequency Analysis Based on S-Transform", Advanced Materials Research, Vols. 588-589, pp. 2013-2017, 2012

Online since:

November 2012




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