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A) The attenuation coefficient alpha [dB/(cmMHz)] of water at this frequency is dB/(cmMHz) ?

A) The attenuation coefficient alpha [dB/(cmMHz)] of water at this frequency is dB/(cmMHz) ?

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2 US Transducer US Pulse 1 3 I=1 W/m? Water Skin Fat Muscle 4 0.1 µs 2 cm b.5 cm 2 cm 3 сm A) The attenuation coefficient alpha [dB/(cmMHz)] of water at this frequency is dB/(cmMHz) ? B) The sound power at the central frequency is 1 W/m^2. How much would it reach the water/skin interface? (in W/m^2)
Transcribed Image Text:2 US Transducer US Pulse 1 3 I=1 W/m? Water Skin Fat Muscle 4 0.1 µs 2 cm b.5 cm 2 cm 3 сm A) The attenuation coefficient alpha [dB/(cmMHz)] of water at this frequency is dB/(cmMHz) ? B) The sound power at the central frequency is 1 W/m^2. How much would it reach the water/skin interface? (in W/m^2)
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