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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Effect of Multi-Mode Vibration on Signature Estimation Using a Laser Vibration Sensor

Effect of Multi-Mode Vibration on Signature Estimation Using a Laser Vibration Sensor

Pepela, Ngoya

Paperback

Technology & EngineeringGeneral Education

ISBN10: 1249591104
ISBN13: 9781249591108
Publisher: Biblioscholar
Published: Oct 9 2012
Pages: 94
Weight: 0.32
Height: 0.19 Width: 6.14 Depth: 9.21
Language: English
A Laser Vibrations Sensor (LVS) can be used to determine the vibrational spectrum of targets, such as vehicles, using heterodyne laser Doppler velocimetry. The vibrational spectra of vehicles are known to have characteristic resonances due to the motors, gears and other moving parts. Each particular class of vehicle has a unique vibrational spectrum. This research shows of how a body vibrating in higher order modes has the opportunity to eliminate spectral content of the target's vibrational spectrum while using an LVS to perform spectrum estimation. This is due to roughly equal amounts of laser photons with equal and opposite information about the target's velocity returning from the body under investigation.

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