Sub-Nyquist Sampling and Fourier Domain Beamforming in Volumetric Ultrasound Imaging

Abstract

A key step in ultrasound image formation is digital beamforming of signals sampled by several transducer elements placed upon an array. High-resolution digital beamforming introduces the demand for sampling rates significantly higher than the signals' Nyquist rate, which greatly increases the volume of data that must be transmitted from the system's front… (More)
DOI: 10.1109/TUFFC.2016.2535280

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