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. Author manuscript; available in PMC: 2011 Jul 20.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Apr;58(4):754–765. doi: 10.1109/TUFFC.2011.1868

Fig. 4.

Fig. 4

Control PSFs from an unapodized transducer in a homogeneous medium. The fundamental (left) and harmonic (right) PSFs are shown normalized relative to their peak. Note that the scales for the x- and y-axes are not geometrically proportional. The scale to the right of each image has units of decibels.