Analysis of Statistical Characteristics of the Laser Vibrometer’s Static Signal Noise

Jing Yang; Jian Long Tang; Jun Hui Hou; Xue Zhang; Zhi Shan Wu

doi:10.4028/www.scientific.net/AMR.986-987.2048

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 986-987Analysis of Statistical Characteristics of the...

Analysis of Statistical Characteristics of the Laser Vibrometer’s Static Signal Noise

Abstract:

The static signal is collected through the experiment, and the probability density function model is established. The static random signal noise is analyzed by frequency spectrum, power spectrum and high order spectrum analysis. It is found that the third order spectrum of the laser static signal is zero by the high order spectrum analysis. Noise signal is only to analyze on the frequency spectrum and power spectrum. The results show that the static laser signal has the characteristics of stationary Gauss random signal.

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Periodical:

Advanced Materials Research (Volumes 986-987)

Pages:

2048-2051

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.986-987.2048

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Online since:

July 2014

Authors:

Jing Yang*, Jian Long Tang, Jun Hui Hou, Xue Zhang, Zhi Shan Wu

Keywords:

Frequency Spectrum, High Order Spectrum, Noise, Power Spectrum, Probability Density

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