Thermal noise variance of a receive radiofrequency coil as a respiratory motion sensor

Purpose Development of a passive respiratory motion sensor based on the noise variance of the receive coil array. Methods Respiratory motion alters the body resistance. The noise variance of an RF coil depends on the body resistance and, thus, is also modulated by respiration. For the noise variance...

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Bibliographic Details
Published in:	Magnetic resonance in medicine Vol. 77; no. 1; pp. 221 - 228
Main Authors:	Andreychenko, A., Raaijmakers, A.J.E., Sbrizzi, A., Crijns, S.P.M., Lagendijk, J.J.W., Luijten, P.R., van den Berg, C.A.T.
Format:	Journal Article
Language:	English
Published:	United States Wiley Subscription Services, Inc 01.01.2017
Subjects:	Algorithms Diaphragm Diaphragm - diagnostic imaging Diaphragm - physiology Humans Magnetic Resonance Imaging - methods Modulation motion correction motion monitoring motion sensor Motion sensors Motional resistance Movement - physiology Noise Noise monitoring Radio frequency Radio Waves receive RF coil Respiration Scanners Sensor arrays Sensors Signal Processing, Computer-Assisted Signal-To-Noise Ratio Thermal noise noise motion sensor motion correction motion monitoring receive RF coil
ISSN:	0740-3194, 1522-2594
Online Access:	Get full text
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