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Soviet Physics Acoustics Vol 25 No 1 JanuaryFebruary 1979
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absorption acoustic wave Akust amplitude analysis angle approximation array attenuation average axis beam boundary conditions bubbles calculated cavitation characteristics coefficient components coordinate corresponding crystal curves cylinder density dependence determined diffraction direction displacement distance distribution effect elastic energy equation excitation experimental expression flexural frequency function Gaussian beam given in Fig half-space harmonic hydrophone impedance inhomogeneous investigated J. S. Wood Journal laser layer linear liquid longitudinal measurements medium method modulation Moscow Nauka noise nonlinear Nonlinear Acoustics normal modes obtain optical oscillations PACS numbers parameters phase phase velocity Phys Physics piezoelectric plane plane wave plate polarization problem propagation radiation radius ratio Rayleigh wave reflection resonance scattering shell signal solid solution sound field sound pressure sound velocity Soviet spectral spectrum structure surface waves temperature thickness tion transducer Translated by J. S. ultrasonic ultrasound values variation vector vibration wave number waveguide wavelength zone