Oo Pp

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Part 3 REFLECTION AND TRANSMISSION OF ULTRASONIC …

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PP Prt i+= (3.9) should be satisfied. ... xA ikxA ikx=+−+−oo, (3.11) which is the sum of a forward and backward propagating plane wave. A+ and A-are the complex amplitudes of the two waves and we omitted the common exp(-iωt) term. The velocity distribution is given by