Rf Current Source Drive And Decoupling Technique For Parallel Transmit Arrays In Magnetic Resonance Imaging
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Rf Current Source Drive And Decoupling Technique For Parallel Transmit Arrays In Magnetic Resonance Imaging
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Author : Won-Je Lee
language : en
Publisher:
Release Date : 2008
Rf Current Source Drive And Decoupling Technique For Parallel Transmit Arrays In Magnetic Resonance Imaging written by Won-Je Lee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
High Field Mr Imaging
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Author : Jürgen Hennig
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-31
High Field Mr Imaging written by Jürgen Hennig and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-31 with Medical categories.
This book describes the current status of the very rapidly developing field of high-field MR and examines the possibilities, challenges, and limitations of this fascinating technology. In the initial chapters, the basic technological background is explained in a non-technical way so as to promote understanding of the issues and concepts and avoid overwhelming the reader with excessive detail. Safety issues, methods, and contrast are then carefully considered. The final part of the book examines the diverse applications of high-field MR imaging in radiology, neuroscience, oncology, and other fields, with the aid of numerous high-quality illustrations. All chapters are written by leading experts who have taken great care to illustrate the potential and progress of the field in an informative and accessible manner. The book will appeal to all with a potential interest in the application of high-field MR imaging, including radiologists, neuroscientists, and oncologists.
Embc 2004
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Author : IEEE Engineering in Medicine and Biology Society. Conference
language : en
Publisher:
Release Date : 2004
Embc 2004 written by IEEE Engineering in Medicine and Biology Society. Conference and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Biomedical engineering categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Electrical Electronics Abstracts
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Author :
language : en
Publisher:
Release Date : 1972
Electrical Electronics Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Electric industries categories.
The Engineering Index Annual
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Author :
language : en
Publisher:
Release Date : 1992
The Engineering Index Annual written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Engineering categories.
Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Science Citation Index
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Author :
language : en
Publisher:
Release Date : 1995
Science Citation Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Vols. for 1964- have guides and journal lists.
Automatic Design Tool For Robust Radio Frequency Decoupling Matrices In Magnetic Resonance Imaging
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Author : Zohaib Mahmood
language : en
Publisher:
Release Date : 2015
Automatic Design Tool For Robust Radio Frequency Decoupling Matrices In Magnetic Resonance Imaging written by Zohaib Mahmood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
In this thesis we study the design of robust decoupling matrices for coupled transmit radio frequency arrays used in magnetic resonance imaging (MRI). In a coupled parallel transmit array, because of the coupling itself, the power delivered to a channel is typically partially re-distributed to other channels. This power must then be dissipated in circulators resulting into a significant reduction in the power efficiency of the overall system. In this thesis, we propose an automated approach to design a robust decoupling matrix interfaced between the RF amplifiers and the coils. The decoupling matrix is optimized to ensure all forward power is delivered to the load. The decoupling condition dictates that the admittance matrix seen by power amplifiers with 50 Ohms output impedance is a diagonal matrix with matching 1 (or 0.02 Siemens) at the diagonal. Our tool computes the values of the decoupling matrix via a non linear optimization and generate a physical realization using reactive elements such as inductors and capacitors. The methods presented in this thesis scale to any arbitrary number of channels and can be readily applied to other coupled systems such as antenna arrays. Furthermore our tool computes parameterized dynamical models and performs sensitivity analysis with respect to patient head-size and head-position for MRI coils.
Design Of Multidimensional Large Tip Angle Radiofrequency Pulses For Parallel Transmission In Magnetic Resonance Imaging
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Author :
language : en
Publisher:
Release Date : 2007
Design Of Multidimensional Large Tip Angle Radiofrequency Pulses For Parallel Transmission In Magnetic Resonance Imaging written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.