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Weak reflection of a wave by a one-dimensional array of randomly spaced elements, with reference to the scattering of
W Gough1, H F Routh, R P Williams
1Viriamu Jones Laboratory, Department of Physics, University College, Cardiff, UK.
Physics in Medicine and Biology
|July 1, 1988
Abstract:
The mean reflection coefficient is deduced for a line of elements each of the same thickness, placed at random between two fixed ends, where the reflection coefficient of each element is very small. This theory is applied to the problem of the scattering of ultrasound by blood, and some qualitative agreement with experimental data is found. A simplified theory is also presented, from which the variance of the reflection coefficient is given.