Heterodyne speckle imager for simultaneous observation of 3 degrees of vibrational freedom

被引:0
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作者
Perea, James [1 ]
Libbey, Brad [1 ]
机构
[1] RDECOM CERDEC Night Vis & Elect Sensors Directora, 10221 Burbeck Rd, Ft Belvoir, VA 22060 USA
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暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A heterodyne speckle imaging sensor has demonstrated the measurement of three-degrees of vibrational freedom simultaneously. Axial velocity is measured by demodulation, surface velocity gradients are determined by observing speckle translation following extraction from mixed signals.
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页数:2
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