SNR Enhancement by Free Local Resonators for Traveling Wave MRI
Xiaoliang Zhang 1,2 , Yong Pang 1 , and Daniel B Vigneron 1,2
Radiology and Biomedical Imaging, University
of California San Francisco, San Francisco, CA, United
Berkeley/UCSF Joint Bioengineering Program, San
Francisco, CA, United States
One of drawbacks of traveling wave MRI is its relatively
low signal-to-noise ratio (SNR) due to the use of far
fields in excitation and reception. In this work, we
present and investigate a method based on free local
resonator to improve MR SNR in traveling wave MR. In
vivo imaging in rats performed using the proposed free
local resonator method at 7T shows a significantly SNR
gain over the traditional traveling wave MR.
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