Physical Optics Approximations to Forward Scattering by Elastic Spherical Shells and Rigid/Soft Spheres
Journal article (Final)
NAVAL RESEARCH LAB STENNIS SPACE CENTER MS
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Numerical results demonstrate that both Fraunhofer and Fresnel diffractions provide good approximations to forward scattering by elastic spherical shells and rigidsoft spheres, for non-dimensional frequency values 5 or ka or 40 and scattering angles 0 deg or 0 or 10 deg. The calculations were done for the far field, with incident plane waves. Signal processing, Classification, Antisubmarine warfare, Underwater acoustics.
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