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. Author manuscript; available in PMC: 2009 Jul 29.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2006 Apr;53(4):724–734.

Fig. 5.

Fig. 5

(a) 2-D (psfs log envelope of the RF echo) for the transducer used in phantom experiments as a function of depth. (b) Axial psfs near the radius of curvature and the corresponding frequency spectrum.