Combination of optimized transmit arrays and some receive array reconstruction methods can yield homogeneous images at very high frequencies.
about
Calculation of radiofrequency electromagnetic fields and their effects in MRI of human subjects.Combining parallel detection of proton echo planar spectroscopic imaging (PEPSI) measurements with a data-consistency constraint improves SNR.High resolution MR imaging of pelvic lymph nodes at 7 Tesla.Exploring the limits of RF shimming for high-field MRI of the human head.Array-optimized composite pulse for excellent whole-brain homogeneity in high-field MRINumerical field calculations considering the human subject for engineering and safety assurance in MRI.Four dimensional spectral-spatial fat saturation pulse design.Improvements in high-field localized MRS of the medial temporal lobe in humans using new deformable high-dielectric materials.Correcting surface coil excitation inhomogeneities in single-shot SPEN MRI9.4T human MRI: preliminary results.Four-dimensional spectral-spatial RF pulses for simultaneous correction of B1+ inhomogeneity and susceptibility artifacts in T2*-weighted MRI.Studies of RF Shimming Techniques with Minimization of RF Power Deposition and Their Associated Temperature Changes.Transmit B1-field correction at 7 T using actively tuned coupled inner elements.Investigation of Parallel Radiofrequency Transmission for the Reduction of Heating in Long Conductive Leads in 3 Tesla Magnetic Resonance Imaging.Calculation of SAR for Transmit Coil Arrays.Consideration of physiological response in numerical models of temperature during MRI of the human head.Simultaneous z-shim method for reducing susceptibility artifacts with multiple transmitters.Magnitude least squares optimization for parallel radio frequency excitation design demonstrated at 7 Tesla with eight channels.7T head volume coils: improvements for rostral brain imagingQuadrature transmit array design using single-feed circularly polarized patch antenna for parallel transmission in MR imaging.Gain of Imaging Fidelity by Employing a Higher Number of Independent Transmit Channels Together with Slice-Selective Radio-Frequency (RF) Shimming at 7T.Electromagnetic computation and modeling in MRI.Mitigation of B1+ inhomogeneity using spatially selective excitation with jointly designed quadratic spatial encoding magnetic fields and RF shimming.Parallel radiofrequency transmission at 3 tesla to improve safety in bilateral implanted wires in a heterogeneous model.Hepatic fat assessment using advanced Magnetic Resonance Imaging.Simultaneous multislice excitation by parallel transmission.Breath-holding during the Calibration Scan Improves the Reproducibility of Parallel Transmission at 7T for Human Brain.Improved homogeneity of the transmit field by simultaneous transmission with phased array and volume coil.Reduction of transmitter B1 inhomogeneity with transmit SENSE slice-select pulses.Improved steering of the RF field of traveling wave MR with a multimode, coaxial waveguide.Fast and accurate multi-channel B1+ mapping based on the TIAMO technique for 7T UHF body MRI.An 8-channel transceiver 7-channel receive RF coil setup for high SNR ultrahigh-field MRI of the shoulder at 7T.Parallel transmit capability of various RF transmit elements and arrays at 7T MRI.Simultaneous use of linear and nonlinear gradients for B1+ inhomogeneity correction.A method to approximate maximum local SAR in multichannel transmit MR systems without transmit phase information.Mitigate B1+ inhomogeneity using spatially selective radiofrequency excitation with generalized spatial encoding magnetic fields.Time-interleaved acquisition of modes: an analysis of SAR and image contrast implications.RF testbed for thermoacoustic tomography.Impact of different meander sizes on the RF transmit performance and coupling of microstrip line elements at 7 T.Quadrature operation of segmented dielectric resonators facilitated with metallic connectors.
P2860
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P2860
Combination of optimized transmit arrays and some receive array reconstruction methods can yield homogeneous images at very high frequencies.
description
2005 nî lūn-bûn
@nan
2005年の論文
@ja
2005年学术文章
@wuu
2005年学术文章
@zh
2005年学术文章
@zh-cn
2005年学术文章
@zh-hans
2005年学术文章
@zh-my
2005年学术文章
@zh-sg
2005年學術文章
@yue
2005年學術文章
@zh-hant
name
Combination of optimized trans ...... ages at very high frequencies.
@en
Combination of optimized trans ...... ages at very high frequencies.
@nl
type
label
Combination of optimized trans ...... ages at very high frequencies.
@en
Combination of optimized trans ...... ages at very high frequencies.
@nl
prefLabel
Combination of optimized trans ...... ages at very high frequencies.
@en
Combination of optimized trans ...... ages at very high frequencies.
@nl
P2093
P356
P1476
Combination of optimized trans ...... ages at very high frequencies.
@en
P2093
Bryan J Swift
Christopher M Collins
Michael B Smith
Wanzhan Liu
P304
P356
10.1002/MRM.20729
P577
2005-12-01T00:00:00Z