A simple approach to overcoming mutual coupling effects in some transmit array coils for magnetic resonance imaging.
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Single Echo Acquisition (SEA) is a method of completely parallel MR imaging that uses coil elements for spatial localization during receive, replacing the need for phase encoding repetitions. In this receive-only form, SEA imaging requires the use of a phase compensation gradient, the value of which is dependent on coil geometry, imaging distance from the elements, and element orientation. Operation of the arrays in transmit-receive mode, while adding significant complexity, is one potential method of eliminating the restrictions imposed by the phase compensation gradient. This abstract examines a straightforward current-splitting technique to enable parallel transmission for studying the complicated field interactions of these array coils in transmit mode.
Annu Int Conf IEEE Eng Med Biol Soc
author list (cited authors)
McDougall, M. P., Knight, J. M., Eigenbrodt, E. E., Wright, S. M., & Chang, C.
complete list of authors
McDougall, Mary P||Knight, Jason M||Eigenbrodt, Edwin E||Wright, Steven M||Chang, Chieh-Wei