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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Sep 6;64(12):1784–1794. doi: 10.1109/TUFFC.2017.2749566

Fig. 8.

Fig. 8

Estimated shear wave speed maps for each of the 64 tracking voxels at 4 cm depth. Steered voxels show corruption from grating lobes formed from sub-array beamforming in the transducer handle, manifesting as multiple shear wave “sources”.