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Table 1: Duty-cycle comparison for three balanced -space sampling patterns.

Spiral Teardrop Durga Readout (ms) 2.40 3.43 5.50 Excitation (ms) 1.20 1.47 0.10 Rewinder (ms) 1.40 — — TR (ms) 5.00 4.93 5.60 Duty cycle 0.48 0.78 0.98