The use of wavelet transform and numerical algorithm in application to the parameter properties of the ultrasonic nondestructive flaw detector

Yi Peng Cheng, Xiao Qin Lian*, Xiao Li Zhang, Chun Guang Xu, Ding Guo Xiao

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

During the parameter properties tests of the ultrasonic nondestructive flaw detector, signal processing will be interfered by two factors, namely, interference from external devices and the random noise results from the collecting process by the card collection. In this parameter properties tests, it use wavelet transform. This is due to the fact that the former one's frequency division ability as well as its local analysis ability can efficiently eliminate random disturbance, thereby ensuring the high frequency component in the effective wave, and further we can restore the signal effectively through reconstruction. In the purpose of improving accuracy, the apply of the method of the Numerical Algorithm is recommended during the work next to data preprocessing. The application of curve-fitting makes testing results more accurate.

Original languageEnglish
Title of host publication2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Proceedings
Pages3657-3660
Number of pages4
DOIs
Publication statusPublished - 2012
Event2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Three Gorges, China
Duration: 21 Apr 201223 Apr 2012

Publication series

Name2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012 - Proceedings

Conference

Conference2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012
Country/TerritoryChina
CityThree Gorges
Period21/04/1223/04/12

Keywords

  • Noise Processing
  • Numerical Algorithm
  • Ultrasonic Nondestructive flaw detector
  • Wavelet Transform

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