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Abstract:
This work systematically investigates the factors that could pose negative influence on the transmit pulse performance at 9.4 tesla. These factors are B1 mapping inaccuracy, B0 inhomogeneity, actual RF and gradient pulse deviations, among which B1 mapping inaccuracy and actual RF pulse deviations are deemed as the major influence factor. Comparative measurements with and without consideration of these factors during the pulse design process, including one in vivo experiment, are performed.