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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Ultrasonics. 2008 Mar 5;48(5):376–383. doi: 10.1016/j.ultras.2008.01.011

Table 2.

Pulse-echo frequency response characteristics

Plain Pedestal
 fc = 5.32 MHz  fc = 4.48 MHz
 −6dB Fractional Bandwidth = 14.1%  −6dB Fractional Bandwidth = 26.0%
Matching Combined
 fc = 4.97 MHz  fc = 2.95 MHz
 −6dB Fractional Bandwidth = 21.7%  −6dB Fractional Bandwidth = 12.8%