低g值冲击加速度的激光绝对法校准

doi:10.3969/j.issn.1000-1158.2015.02.08

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Abstract The current situation of low g shock is introduced with three types of shock exciters described. The measuring theory and system set-up using laser interferometry is explained in accordance with ISO 16063-13 with the emphasis on key technology of signal demodulation algorithm and air-bearing shock exciter based on collision. According to calibration results, the primary shock calibration system can achieve expanded uncertainty of 1%, k=2, in the acceleration range from 20m/s2 to 10000 m/s² and pulse duration from 0.5ms to 10ms.

Key words： Metrology Low g shock acceleration Shock exciter based on collision Laser interferometry

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	Articles by authors
	SUN Qiao
	WANG Jian-lin
	HU Hong-bo
	BAI Jie

Cite this article:

SUN Qiao,WANG Jian-lin,HU Hong-bo, et al. Primary Low g Shock Acceleration Calibration Using Laser Interferometry[J]. Acta Metrologica Sinica, 2015, 36(2): 145-148.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2015.02.08 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2015/V36/I2/145

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