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Simulated comparisons of a contrast detail phantom imaged using (a) TOBE uFORCES and (b) matrix probe wide-beam walking aperture. In both cases, a 10-MHz 128 × 128 lambda pitch array was used but the TOBE array used only row and column addressing. Here, the uFORCES simulation used eight transmit events per focal zone, and stitched results from three elevational focal zones. This required a total of 24 transmit events, with coherent compounding needed over only eight transmit events.
