Study on Measurement Technique of Scattering-surface Displacement Utilizing Laser Doppler Effect

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 27 >Issue 8 >Page 751 > Article

Chinese Journal of Lasers
Vol. 27, Issue 8, 751 (2000)

Study on Measurement Technique of Scattering-surface Displacement Utilizing Laser Doppler Effect

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Study on Measurement Technique of Scattering-surface Displacement Utilizing Laser Doppler Effect[J]. Chinese Journal of Lasers, 2000, 27(8): 751 Copy Citation Text

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Abstract

A measurement system of scattering-surface displacement utilizing laser Doppler effect is discussed. Lock-in amplifier (LIA) and phase-locked loop (PLL) are used in signal processing. The lateral displacement measurement at the long-distance of 10 meters was realized.

Keywords

lateral displacement lose signal reconstruction weak signal detection Doppler effect

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