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Proceedings Paper

Research of zero crossing point real-time detecting of quasi-sinusoidal signal
Author(s): Yanjun Dong; Xiaobin Zhang
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Paper Abstract

Based on the analysis of sine or quasi-sine period signal zero crossing point detecting of computer-based detecting and control system, Fourier transform is employed to get input signal's key spectrum to build waveform characteristic dictionary, and the signal's differentia can supply more information of input signal's zero crossing point. Methods are proposed referring to circumstances, and results of simulation prove efficiency.

Paper Details

Date Published: 12 January 2009
PDF: 7 pages
Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 71330B (12 January 2009); doi: 10.1117/12.810756
Show Author Affiliations
Yanjun Dong, Northwestern Polytechnical Univ. (China)
Xiaobin Zhang, Northwestern Polytechnical Univ. (China)

Published in SPIE Proceedings Vol. 7133:
Fifth International Symposium on Instrumentation Science and Technology
Jiubin Tan; Xianfang Wen, Editor(s)

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