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What is Increment of the Total Phase of the Signal

Chapter 14
Optimizing Health Monitoring Systems With Wireless Technology
Is the phase change of the signal due to the propagation delay of the signal to the target and back, expressed in radians (or degrees).
Published in Chapter:
Non-Invasive Active Acousto-Thermometer
Oleg Victorovich Sytnik (A. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Science of Ukraine, Ukraine)
Copyright: © 2021 |Pages: 15
DOI: 10.4018/978-1-5225-6067-8.ch014
Abstract
The problem of detecting and identifying the heat transfer processes in living tissues using a noninvasive ultrasound technique is discussed. An optimal method, which is optimal in terms of maximum of likelihood, is proposed to detect the temperature variations within internal layers of the living tissue. The properties of signals returned from different tissues are examined. The ultrasound velocity for different temperatures and the salt composition of a specimen under study is estimated. Results of the algorithm simulation are given.
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