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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2018 Jan;65(1):30–38. doi: 10.1109/TUFFC.2017.2773495

Fig. 4.

Fig. 4

Comparison of ideal transmit point spread functions with synthetically isolated components from the focused phased array scan. The color scale is normalized by the maximum pressure of (a), a single focused transmit pulse. The point of interest is marked with a yellow ‘X’. (b) Ideal component transmit pressure fields for two different transmit elements. The pulses are created by transmitting on only the appropriate transmit element. (c) Synthesized transmit pressure fields using full aperture emissions with 60 degree span at 0.25 degree spacing.