Pallav, P., Hutchins, David A. and Yin, Xiaokang. (2009) Air-coupled ultrasonic spectroscopy of highly damping materials using pulse compression. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol.56 (No.6). pp. 1207-1217. ISSN 0885-3010

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Abstract

Air-coupled ultrasonic spectroscopy is described, whereby the output from a pulse compression system is used. It is demonstrated that the cross-correlation operation used within a pulse-compression system preserves amplitude an phase information. This approach allows the signal-to-noise ratio and, hence, signal-detection capability to be improved by the cross-correlation, while allowing noncontact spectral information for solid samples to be obtained. Results are presented for chocolate samples, where measurements of interest to the food industry have been obtained.

Item Type:	Journal Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Spectrum analysis, Ultrasonic imaging, Ultrasonics, Acoustic spectroscopy, Damping (Mechanics), Pulse compression radar
Journal or Publication Title:	IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
Publisher:	Institute of Electrical and Electronics Engineers
ISSN:	0885-3010
Date:	June 2009
Volume:	Vol.56
Number:	No.6
Number of Pages:	11
Page Range:	pp. 1207-1217
Identification Number:	10.1109/TUFFC.2009.1162
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	Great Britain. Dept. for Environment, Food & Rural Affairs (DEFRA)
URI:	http://wrap.warwick.ac.uk/id/eprint/27939

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