Introduction On Project:
The understanding of the behavior of the attenuation constant of random media, as a function of volume fractions and/or frequency (ka), has gained increasing attention due to its importance in many practical problems, such as wave propagation in the
The understanding of the behavior of the attenuation constant of random media, as a function of volume fractions and/or frequency (ka), has gained increasing attention due to its importance in many practical problems, such as wave propagation in the
atmosphere, sea ice, and snow.
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ABSTRACT:
To better understand scattering from nontenuous dense random media such as sea ice and snow, attenuation measurements have been performed on two different types of random media with ka values ranging from 0.5 to 0.7, and 1.5 to 2.1.
The following paper describes, briefly, experimental results from wave propagation in plane slabs of finite thickness composed of
(1) a random distribution of identical, finite scatterers; and
(2) a random distribution of scatterers with narrow size distribution. The aim of this paper is to present the observed behavior in terms of attenuation versus volume fraction, and, additionally, the behavior of attenuation versus frequency. Results presented in this paper are compared to the behavior reported by some earlier experiments where the medium properties are different.
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