Skip to main content
. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Ultrasound Med Biol. 2020 Aug 6;46(11):3080–3087. doi: 10.1016/j.ultrasmedbio.2020.07.006

Figure 1.

Figure 1.

(a) Mean frequency power curve versus depth; (b) Mean frequency power ratio curve versus depth. Linear regression was applied at larger depth of the mean frequency power ratio curve (i.e., 4–10 cm) and an attenuation coefficient of 0.59 dB/cm/MHz was estimated from the decay slope.