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Processing of Ultrasonic Signal for Transducer Characterization and for Improving Signal-To-Noise Ratio

Raman, S and Murthy, CN and Lele, MV (1993) Processing of Ultrasonic Signal for Transducer Characterization and for Improving Signal-To-Noise Ratio. In: Indian Journal of Technology, 31 (11). pp. 774-776.

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Abstract

This paper describes the work related to characterisation of an ultrasonic transducer fabricated in the laboratory. The response of the medium to the ultrasonic wave was obtained by converting the time domain signal to frequency domain, using the FFT algorithm. Cross-correlation technique was adopted to increase the S/N ratio in the raw time domain signal and subsequently, to determine the ultrasonic velocity in the medium.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Council Scientific Industrial Research.
Department/Centre: Division of Physical & Mathematical Sciences > Instrumentation and Applied Physics (Formally ISU)
Date Deposited: 23 Feb 2011 04:44
Last Modified: 23 Feb 2011 04:44
URI: http://eprints.iisc.ernet.in/id/eprint/35707

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