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Table 1 Full-width at half-maximum (FWHM) and peak-side-lobe (PSL) results for beamformers

From: Eigenspace-based beamformer using oblique signal subspace projection for ultrasound plane-wave imaging

Beamformer

FWHM

FWHM

PSL

PSL

(x, z) = (0, 20)

(x, z) = (0, 40)

(x, z) = (0, 20)

(x, z) = (0, 40)

DAS

0.2

0.5

−12.84

−19.34

LCMV

0.04

0.03

−20.93

−38.93

EIBMV

0.04

0.03

−67.3

−106.6

OESMV

0.003

0.003

−325.1

−331.5

  1. FWHM full width at half maximum; PSL peak value of the first side lobe