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. Author manuscript; available in PMC: 2013 Sep 19.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2012 Aug;59(8):1664–1673. doi: 10.1109/TUFFC.2012.2372

Fig. 7.

Fig. 7

Sound field computed in a two-dimensional strongly inhomogeneous medium. The k-space method and finite-difference time-domain (FDTD) method are compared with the benchmark solution. (a) Time-domain results at the location (8.25, 0) mm. (b) Frequency-domain results at the same location.