RF Shimming of the Neck Using a 2 & a 4-Channel Travelling Wave Neck Array at 7T MRI

Keywords

absolute account acknowledgments acquisitions aimed amplifier amplitude amplitudes anatomical antenna antennas applied array arteries artery assessing better black brain carotid carotids causing channel channels clear clinical coil coils combined comparable complex composition concept configuration configurations considered consisted density deposition dielectric dipole distributed distributing driven duke efficiency efficient either estimation even events example expressed facilitates family feet field fire focused foundation give gradient head healthy heating henning homogeneity homogenizing human important improved improves in vivo increasing infarctions inner input leaky likewise local located loss male maps medical medicine model modes molecular mounted neck none nonetheless normalized optimized outer outside overlapping overview peak pillow plaques position positions power propagating propose random receiver rectangle reduced reduces reducing requires resolution resolutions respectively restraining risk scale setup shim shimming shims shoulder simulated slice spatial spin spine start supported survey system though tissue towards transmit transversal transverse turbo uniformity unit versatility versus visualize wave waveguide waves whole worst zero