发明名称 |
REMOTE TARGET IDENTIFICATION USING LASER DOPPLER VIBROMETRY |
摘要 |
A laser Doppler vibrometer architecture and detection technique that can remotely identify targets based on their natural vibration frequencies using a scanning Fabry-Pérot interferometer. The proposed systems and methods can have stand-off distances longer than the coherence length of the laser by using spectroscopic detection methods instead of coherent heterodyne detection using a local oscillator. Pulsed lasers can be used which have high power output. In addition, by not using an acousto-optic modulator, the speed of the detectable target is not limited. Also the mixing efficiency of the return signal can be improved. |
申请公布号 |
EP3139195(A1) |
申请公布日期 |
2017.03.08 |
申请号 |
EP20160186868 |
申请日期 |
2016.09.01 |
申请人 |
The Boeing Company |
发明人 |
LAM, Tai A.;SOREIDE, David C.;SAINT CLAIR, Jonathan M. |
分类号 |
G01S7/481;G01H13/00;G01S7/48;G01S17/58 |
主分类号 |
G01S7/481 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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