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Experimental studies on elastic waves Part 2
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acoustic amplitude angle of incidence anisotropy approximation arrival attenuation axis Babinet's principle boundary calculated components compressional wave computed crack density critically refracted cross-borehole curve depth detector diffraction dilatational direction displacement distance elastic waves energy epoxy equation experimental experiments field fractures frequency function geophone Geophys Geophysics head wave horizontal inch interface inversion isotropic laboratory laser ultrasonics layer measured medium method migration motion normal observed obtained offset P-wave parameters phase phase velocity physical model piezoelectric plane wave plate Poisson's ratio polarization problem pulse ratio Rayleigh wave raypaths reconstruction record reflection coefficient reflector sample scale scattered screen seismic model seismic waves seismograms seismology shear waves shear-wave shown in Figure shows solid solution source and receiver stack Stoneley surface waves technique theoretical theory thickness tion tomography trace transducer transverse traveltime two-dimensional ultrasonic values vertical vibration wave propagation wave velocity waveforms wavelength