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Laser Vibrometers by OptoMET | Vibrations Inc
https://vibrationsinc.com/laser-vibrometers/
Single Point Digital SWIR Laser Vibrometers Non-contact vibration measurement technology by Optomet combines precise optics with state-of-the-art digital signal processing. Extremely fine resolution of up to 1.7 nm/s (velocity), 0.05 pm (displacement) and 1.8 ug (acceleration). Excellent bandwidth (up to 10 MHz). Vibration velocity up to 24.5 m/s.
Long Range Audio and Audio-Visual Event Detection Using a ...
http://ccvcl.org/wp-content/uploads/2019/01/Wang-SPIE-2010.pdf
Long Range Audio and Audio-Visual Event Detection Using a Laser Doppler Vibrometer Tao Wangab, Zhigang Zhuab, Ajay Divakaranc aDept. of Comp Sci, City College, City University of New York, NY, USA 10031 bDept. of Comp Sci, Graduate Center, City University of New York, NY, USA 10031 cSarnoff Corp., 201 Washington Rd., P.O.Box 5300, Princeton, NY, USA 08543
Remote audio signals detection using a partial-fiber laser ...
https://www.sciencedirect.com/science/article/pii/S0003682X17308241
Abstract All-fiber laser Doppler vibrometer (LDV) systems have great potential in the application of remote acoustic detection. However, the system performance is impaired due to the serious intermediate frequency (IF) crosstalk signal, which is caused by the fiber circulator.
Vision-aided Laser Doppler Vibrometry for Remote Automatic ...
http://ccvcl.org/wp-content/uploads/2019/01/TMECH-Paper-LDV-Final-Qu-0907.pdf
audio signals respectively, and a calibration method of the multimodal sensing system is proposed. Finally, a new multimodal sensing platform is designed that could obtain audio, video and 3D information using cost-effective add-ons, thus greatly expand the functionalities of the laser vibrometer for long-range sensing.
Laser Doppler vibrometers - optical vibration sensors from ...
https://www.polytec.com/us/vibrometry/products
Laser Doppler vibrometers from Polytec are precision vibration sensors and comprehensive optical testing solutions representing the globally established gold standard for non-contact vibration analysis. The sensor and measurement instruments portfolio offers solutions to any vibration, acoustics and dynamics measurement task in research ...
AES E-Library » Measurement of Loudspeakers with a …
https://www.aes.org/e-lib/browse.cfm?elib=19175
Measurement of Loudspeakers with a Laser Doppler Vibrometer and the Exponential Sine Sweep Excitation Technique In order to explore the vibrations of a loudspeaker cone, this research measures the axial acceleration of hundreds of points on the cone surface employing a Laser Doppler Vibrometer when excited by an exponential swept sine signal.
Integration of Laser Vibrometer and Infrared Video for ...
http://www-cs.ccny.cuny.edu/~zhu/ldv/finalreportshtml/ccny-ldv-tech-report-bak.htm
The laser Doppler vibrometer (LDV) can measure audio signals from tiny vibrations of the LDV points (indicated by the beams and the red dots onto the objects in the figure) that couple with the audio sources (1) Points on a human body.
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