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Table 2 Performance of both transmitting method with different parameters

From: Plane wave imaging combined with eigenspace-based minimum variance beamforming using a ring array in ultrasound computed tomography

Method FWHM (mm) CR (dB)
SA with 67 elements (Fig. 5a) 2.21 − 53.48
SA with 135 elements (Fig. 5b) 2.10 − 51.03
PW-DAS with 32 elements (Fig. 5c) 1.67 − 49.05
PW-DAS with 64 elements (Fig. 5d) 2.13 − 39.34
PW-ESBMV with 32 elements (Fig. 5e) 1.57 − 54.39
PW-ESBMV with 64 elements (Fig. 5f) 2.10 − 101.58