NDLI: Wavelength division sensing RF vibrometer

Content Provider	IEEE Xplore Digital Library
Author	Yan Yan Changzhi Li Rice, J.A. Jenshan Lin
Copyright Year	2011
Description	Author affiliation: Texas Tech University, Lubbock, 79409, USA (Changzhi Li; Rice, J.A.) \|\| University of Florida, Gainesville, 32611, USA (Yan Yan; Jenshan Lin)
Abstract	A wavelength division sensing RF vibrometer which is implemented as a tunable carrier frequency Doppler radar sensor was used for the first time to accurately measure mechanical vibrations of complex patterns. The amplitude ratio of a pair of baseband harmonics under different carrier wavelengths was used to obtain the vibration patterns. A software-controlled PLL was built to generate carrier frequencies from 5.5 to 6.5 GHz. The accuracy of the recovered vibration pattern using the noncontact RF vibrometer rivals other contact measurement instruments, such as LVDT and accelerometer.
Starting Page	1
Ending Page	4
File Size	565605
Page Count	4
File Format	PDF
ISBN	9781612847542
ISSN	0149645X
e-ISBN	9781612847573
e-ISBN	9781612847566
DOI	10.1109/MWSYM.2011.5972827
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Harmonic analysis Baseband Vibrometers Radio frequency Frequency modulation Accelerometers wavelength division Accelerometer Doppler radar harmonic Linear Variable Differential Transformer (LVDT) noncontact nonlinear quadrature vibration
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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