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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: J Magn Reson. 2010 Dec 4;208(2):219–224. doi: 10.1016/j.jmr.2010.11.005

Fig. 1.

Fig. 1

(a) Diagram of a 5×720μs SPSP pulse waveform. Amplitude for each sub-pulse is modulated by a Gaussian type envelope within the main lobe. Sub-pulses are played out during both positive and negative slice selection z gradients. (b) If sub-pulses are on during gradient ramps, the standard Gaussian sub-pulse is modified to account for the time variation of the gradient. Note that the modified sub-pulse area and gradient area remain unchanged.