NDLI: Noise immunity analysis of time delay estimation techniques used on ultrasonic simulated echoes

Content Provider	IEEE Xplore Digital Library
Author	Tellez, A. Bazan, I. Leija, L. Vera, A.
Copyright Year	2008
Description	Author affiliation: Dept. de Ing. Electr., CINVESTAV, Mexico City (Tellez, A.; Bazan, I.; Leija, L.; Vera, A.)
Abstract	This paper presents a noise immunity analysis of time delay estimation (TDE) techniques used on ultrasonic echoes for non invasive temperature estimation. Four methods are analyzed. The methodology consists on corrupting a simulated ultrasonic signal (ideal signal) with white noise and a signal-to-noise ratio of 3 dB and 6 dB. After this, noise immunity analysis is performed for every method. The TDE techniques used in this work are phase difference, phase shift, cross-correlation and quadrature phase demodulation. The purpose of this work is to determine the best method for non invasive temperature estimation.
Starting Page	196
Ending Page	200
File Size	680393
Page Count	5
File Format	PDF
ISBN	9781424424986
DOI	10.1109/ICEEE.2008.4723444
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-12
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Temperature Average power of the signal Delay effects Echo Ultrasonic signal Cross Delay estimation Noise generators Quadrature phase Equations Analytical models Correlation (CC) Signal to noise ratio (SNR) Phase shift (PS) Demodulation (QPD) White noise Signal generators Phase difference (PD) Signal to noise ratio Immune system
Content Type	Text
Resource Type	Article

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