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. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: Acoust Phys. 2010 Sep;56(5):665–674. doi: 10.1134/S106377101005012X

Fig. 5 — Focus splitting in the focal plane after focused ultrasound passes through ribs. Ratio of the dimensions of the intercostal space a and ribs b varied. Cases a = b/2 (--), a = b (), a = 2b (—), are shown, in each case the value of intensity is normalized to the maximum value I_norm. The curve of the envelope is determined by the function s sinc² (2πy/Δy).

Inline graphic — Focus splitting in the focal plane after focused ultrasound passes through ribs. Ratio of the dimensions of the intercostal space a and ribs b varied. Cases a = b/2 (--), a = b (), a = 2b (—), are shown, in each case the value of intensity is normalized to the maximum value I_norm. The curve of the envelope is determined by the function s sinc² (2πy/Δy).