Abstract
Measured scattering coefficients are presented for four randomly rough, pressure-release surfaces that are statistically related. The scattering data were collected at frequencies of 100, 200, and 500 kHz for forward, specular, and backscattering geometries. The ratios of acoustic wavelength to surface rms height (λ/h) range from 6.5 to 0.33. The wide range of scattering geometries, frequencies, and roughness included in these measurements make these data the most complete collection of acoustical scattering measurements yet available for statistically known rough surfaces.
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