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. Author manuscript; available in PMC: 2009 Oct 11.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Sep;56(9):1913–1922. doi: 10.1109/TUFFC.2009.1267

Fig 2.

Fig 2

Envelopes of imaging signals with CW interference: 2-cycle short pulses, (A) before and (B) after notch filtering; the 13-bit Barker code with 2 cycles per bit, (C) before and (D) after notch filtering; the 13-bit Barker code with 3 cycles per bit, (E) before and (F) after notch filtering.