Fault signal detection with autocorrelation method

Xuexian Yang; Qin-Yan Zhang; Yueqiu Han

doi:10.1117/12.318449

10 August 1998 Fault signal detection with autocorrelation method

Xuexian Yang, Qin-Yan Zhang, Yueqiu Han

Proceedings Volume 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II; (1998) https://doi.org/10.1117/12.318449
Event: Photonics China '98, 1998, Beijing, China

Abstract

Signal's autocorrelation characteristic is used for fault detection and the fault detection formula is presented in this paper. The implementation schemes under periodic and non-periodic signals are discussed respectively. The fault detection algorithm is presented at the base of Bayesian Decision and corresponding implementation a scheme. In computer simulation, linear frequency modulated signa is selected. The simulation results confirm that the autocorrelation method is applicable. As the conclusion,this method can apply to electronic equipment built-in self-test and can accomplish on-line fault detection of period signals.

Citation Download Citation

Xuexian Yang, Qin-Yan Zhang, and Yueqiu Han "Fault signal detection with autocorrelation method", Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); https://doi.org/10.1117/12.318449

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