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. Author manuscript; available in PMC: 2011 Mar 14.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Jan;58(1):206–214. doi: 10.1109/TUFFC.2011.1787

Fig. 6.

Fig. 6

Measured time domain pulse echo response (solid line) and normalized frequency spectrum (dotted line) for element #1. The measured center frequency was 33.5 MHz with a −6-dB bandwidth of 57%. The −20-dB pulse length was 95 ns.