Recent progress in birdcage RF coil technology for MRI system

SF Ahmad, YC Kim, IC Choi, HD Kim - Diagnostics, 2020 - mdpi.com
The radio frequency (RF) coil is one of the key components of the magnetic resonance
imaging (MRI) system. It has a significant impact on the performance of the nuclear magnetic …

[图书][B] Finite element analysis of antennas and arrays

JM Jin, DJ Riley - 2008 - books.google.com
The Most Complete, Up-to-Date Coverage of the Finite Element Analysis and Modeling of
Antennas and Arrays Aimed at researchers as well as practical engineers—and packed with …

Hybrid numerical techniques for the modelling of radiofrequency coils in MRI

BK Li, F Liu, E Weber, S Crozier - NMR in Biomedicine: An …, 2009 - Wiley Online Library
Radiofrequency (RF) coils for use in MRI can have a significant effect on both the signal‐to‐
noise‐ratio of MR images and the specific absorption rate inside the biological sample. In …

Fast electromagnetic analysis of MRI transmit RF coils based on accelerated integral equation methods

JF Villena, AG Polimeridis, Y Eryaman… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
A fast frequency domain full-wave electromagnetic simulation method is introduced for the
analysis of MRI coils loaded with the realistic human body models. The approach is based …

Noninvasive estimation of electrical properties from magnetic resonance measurements via global Maxwell tomography and match regularization

JEC Serrallés, II Giannakopoulos… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
Objective: In this paper, we introduce global Maxwell tomography (GMT), a novel volumetric
technique that estimates electric conductivity and permittivity by solving an inverse scattering …

Eigenvalue crossing avoidance in characteristic modes

KR Schab, JM Outwater, MW Young… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
The theory of characteristic modes (TCM) provides a set of eigenvalues and eigenvectors
that are determined entirely by a structure's geometry at a particular frequency. When …

Conversion matrix method of moments for time-varying electromagnetic analysis

SF Bass, AM Palmer, KR Schab… - … on Antennas and …, 2022 - ieeexplore.ieee.org
A conversion matrix approach to solving network problems involving time-varying circuit
components is applied to the method of moments for electromagnetic scattering analysis …

A numerical postprocessing procedure for analyzing radio frequency MRI coils

RA Lemdiasov, AA Obi, R Ludwig - Concepts in Magnetic …, 2011 - Wiley Online Library
The design and construction of radio frequency (RF) coils for application‐specific magnetic
resonance imaging purposes are generally extensive, iterative engineering endeavors that …

Application of asymptotic waveform evaluation to hybrid FE-BI-MLFMA for fast RCS computation over a frequency band

BY Wu, XQ Sheng - IEEE transactions on antennas and …, 2013 - ieeexplore.ieee.org
The asymptotic waveform evaluation (AWE) technique has been widely used in the method
of moment (MoM), the finite element method (FEM), and the hybrid finite element-boundary …

Liver function correlates with liver-to-portal vein contrast ratio during the hepatobiliary phase with Gd-EOB-DTPA-enhanced MR at 3 Tesla

W Zhang, X Wang, Y Miao, C Hu, W Zhao - Abdominal Radiology, 2018 - Springer
Purposes To determine if liver-to-portal vein contrast ratio (LPC) correlates with liver function
in patients with hepatitis B virus (HBV)-related cirrhosis on gadolinium-ethoxybenzyl …