Abstract
Ultrasonic wave scattering from symmetrical scattering centers embedded in a host material have been extensively studied in recent years. Most theoretical approaches assume an infinite or smooth semi‐infinite host medium and smooth surfaced scatterers. Inversion routines, developed to characterize these scattering centers, assume the received ultrasonic field to be noise free and unchanged by anything but the scatterer. Surface roughness induces changes in the scattering results which can alter the characterization results in a finite sized sample. Experiments were undertaken to investigate these changes in order to determine the characteristics of a given surface, and to determine the transmission and reflection characteristics of a known randomly rough surface.
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