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Abstract #2795

Investigation Optimum Ports' Location for Multi-Nuclear Constellation Coil

Xing Yang1, Bei Zhang, Ryan Brown, Wonje Lee, Yudong Zhu

1Department of Radiology, Bernard and Irene Schwartz Center for Biomedical Imaging, NYU School of Medicine, New York, NY, United States

The essence of constellation coil transmit and/or receive performance optimization can be described as one of maximizing |B1|/|E|, quantities that track flip angle-to-SAR ratio (spin excitation) and signal-to-noise ratio (signal detection). It uses an approximately continuous RF structure as well as multiple distributed ports to support generally sophisticated RF current patterns responsible for the ultimate performance with multi-channel transmit and receive1. And the transmit and receive ports location are very critical to the ultimate performance.

Keywords

added almost amplitude amplitudes amps array assessment azimuthally biomedical birdcage black blue bound brown calibration capability capacitively channel circuits coil coils combination combined comparable consideration considerations constellation constructing continued continuous contributed correlation coupled critical deliver depending described design detection distributed dotted efficiency eigenvalue eigenvector electronic equally equivalently essence evaluation excitation exist expressed find generally hardware helix hypothesis identified imperfect implementation indicated indicating infinite investigated investigation knee largest layers limit located location make maps marked match maximizing medicine metric mini mode modeled modes nearly negligible neighbors noise nuclear operator opposite optimization optimum outperformed parallel patches patterns performance performances phantom port ports power practical previously prior profiles proton quantified radiology readily receive receiver reconstructed reconstruction represent respectively responsible ring rings roughly rung sandwiching scanner school section sensitivity separately simulate simulated simulation simulations since sodium sophisticated spaced spin squared structure substrate summation support supported table thick track transmit trend tuned ultimate unit volunteer yang