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Performance of one-spoke (dashed) and two-spoke (solid) pTx pulses to image the kidneys, and the heart. L-curves display tradeoff between excitation error (NRMSE) and resulting peak local SAR for 7.0 T and 10.5 T arrays when designing the pTx pulses with explicit local SAR constraint. Adapted from Erturk et al. (2017b).
