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. Author manuscript; available in PMC: 2009 Dec 1.
Published in final edited form as: Magn Reson Med. 2008 Dec;60(6):1488–1497. doi: 10.1002/mrm.21790

Figure 1.

Figure 1

Different potential RF and gradient patterns for continuous labeling. (a) constant RF pulse, constant gradient. (b) Rectangular RF pulse train, constant gradient. (c) Hanning RF pulse train, constant gradient. (d) Hanning RF pulse train, variable gradient with strong gradient during RF pulses.