Now playing · 08 Ultrasound

Intensity transmission

R_I = 0.4281

TI=4Z1Z2(Z1+Z2)2,RI=(Z2−Z1Z2+Z1)2T_I=\frac{4 Z_1 Z_2}{(Z_1+Z_2)^2},\quad R_I=\left(\frac{Z_2-Z_1}{Z_2+Z_1}\right)^2

T_I = 4 Z1 Z2 / (Z1 + Z2)². Energy conserved: R_I + T_I = 1 at a lossless interface.

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