Journal of Engineering Physics and Thermophysics is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex "A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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ON MODULATION OF SOUND BY SOUND

V. I. Krylovich and G. N. Byl'

UDC 534(03):534.6:536.2

Frequency shifts of continuous acoustic waves  propagating 
in  a  medium  which  arise due to the effect of  external 
acoustic disturbances arbitrarily propagating in the  same 
medium  are  analyzed.  An  analytical  dependence of  the 
magnitude of the acoustic shift on the angle  between  the 
wave vectors of the probing and external waves is obtained. 
A corresponding directivity pattern is calculated.

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