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. Author manuscript; available in PMC: 2013 Mar 6.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2011 Dec;58(12):2620–2630. doi: 10.1109/TUFFC.2011.2125

Fig. 7.

Fig. 7

Arbitrary output waveform of (a) a 40-MHz single cycle, (b) a 40-MHz three-cycle sine burst, (c) a 13-bit Barker code, and (d) a 1-µs-long Hanning windowed chirp sweeping from 20 to 60 MHz in the time domain (left) and frequency domain (right). Solid lines are measured values and dashed lines are ideal waveforms digitized with a 1-GHz sampling rate.