Ultrasonic attenuation measurements at very high SNR: Correlation, information theory and performance

This paper describes a system for ultrasonic wave attenuation measurements which is based on pseudo-random binary codes as transmission signals combined with on-the-fly correlation for received signal detection. The apparatus can receive signals in the nanovolt range against a noise background in th...

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Bibliographic Details
Main Authors: Challis, Richard, Ivchenko, Vladimir, Al-Lashi, Raied
Format: Article
Published: IOP Publishing 2013
Online Access:https://eprints.nottingham.ac.uk/2647/