Vibration analysis of membrane by time average in-line digital holographic interferometry

被引：0
|
作者：
Singh, Vijay Raj [1 ]
Asundi, Anand [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
来源：
EXPERIMENTAL MECHANICS IN NANO AND BIOTECHNOLOGY, PTS 1 AND 2 | 2006年 / 326-328卷
关键词：
in-line digital holography; time average method; numerical reconstruction; CCD; mean deformation; mixing of fringes;
D O I：
10.4028/www.scientific.net/KEM.326-328.23
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
In this paper, in-line digital holography is combined with time average method and applied for vibration analysis of an aluminum membrane. The numerically reconstructed wave from time average holograms contains information of mode shape and mean deformation of the vibrating objects. At lower amplitudes of vibration only the deformation fringes are observed and as the amplitude is increases, the Bessel fringes representing the time average vibration amplitude also become visible. Experimental results for a 10mm size membrane are presented.
引用
收藏
页码：23 / +
页数：2
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