Absorption from a pulsating bubble, use the results of Example 20.1-4 to calculate (t) and N A0 (t) for a bubble whose radius undergoes a

Absorption from a pulsating bubble, use the results of Example 20.1-4 to calculate δ(t) and N_A0(t) for a bubble whose radius undergoes a square-wave pulsation: Here w is a characteristic frequency, and n = 1, 2,....

for 2n r, = R, < wt < 2n + 1 for 2n + 1 < wt < 2n + 2 r, = R2