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. Author manuscript; available in PMC: 2011 Mar 12.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Jan;58(1):249–254. doi: 10.1109/TUFFC.2011.1793

Fig. 7.

Fig. 7

(a) Modeled result of the composite transducer with KLM model-based simulation software PIEZOCAD. (b) Measured pulse-echo waveform and spectrum for the KNN/BNT needle transducer.