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. Author manuscript; available in PMC: 2009 Jun 29.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2008;6848:6481I. doi: 10.1901/jaba.2008.6848-6481I

Figure 1. GATING PRINCIPLE.

Figure 1

that consists of a signal phase detection that triggers a timing sequence. A. Illustrates this principle with cardiac gating on the ECG. Phase is detected on the QRS complex and triggers a timing sequence used for acquisition. B. Translates this approach in terms of block diagram schematics.