Application of Laser Doppler Technique in Measurement of Explosive Container Based on Frequency Correction

Hong Li Liu; Lei Shao; Hai Bin Zuo; Nan Liu

doi:10.4028/www.scientific.net/AMM.391.497

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 391Application of Laser Doppler Technique in...

Application of Laser Doppler Technique in Measurement of Explosive Container Based on Frequency Correction

Abstract:

Dynamic measurement of explosion containment vessel deformation for explosive experiment is obtained using laser doppler effect. The system is based on optical heterodyning technologies, and uses half wave plate, quarter wave plate, polarization beam splitter and acousto-optic modulator to improve the intensity of doppler signal and signal-noise-ratio. Short time fourier transform and energy centrobaric correction method using hamming window is applied to improve the signal processing speed and the accuracy. The experimental results of explosive container are presented under 20g TNT explosion.

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Periodical:

Applied Mechanics and Materials (Volume 391)

Pages:

497-500

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.391.497

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Online since:

September 2013

Authors:

Hong Li Liu, Lei Shao, Hai Bin Zuo, Nan Liu

Keywords:

Energy Centrobaric Correction, Fourier Transform, Laser Doppler

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