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HONG Bo, YUAN Can, PAN Ji-luan, QU Yue-bo. Wavelet signal processing system in arc-sensor[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (1): 61-63,68.
Citation: HONG Bo, YUAN Can, PAN Ji-luan, QU Yue-bo. Wavelet signal processing system in arc-sensor[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (1): 61-63,68.
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Wavelet signal processing system in arc-sensor

  • Department of Mechanical Engineering, Xiangtan University, Xiangtan 411105, Hunan, China

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  • Received Date: February 01, 2004
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    • Abstract
  • Making use of them erits of local property in time do-main and frequency domain of thew avelet analysismerhod,combining with digital signal processing techruque,the author designed a band-passfilter based on the w ave let transformation and applied it to the signal-pro-cessing of the rotating-arc.The center fiequncy of the filter could be ad-justed automatically acciordng to the revolving~equency,and the band-width of the filter could be ad justed by changing the software parameters.The experiment results showed that the signal-to-noise ratio of the signalsprocessed by the filter could be improved significantly.
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