Interaction of acoustic scatterers
โ Scribed by A. A. Kleshchev; E. I. Kuznetsova
- Book ID
- 110216166
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2011
- Tongue
- English
- Weight
- 438 KB
- Volume
- 57
- Category
- Article
- ISSN
- 1063-7710
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## Abstract In this paper, we consider the problem of determining the boundary perturbations of an object from farโfield electric or acoustic measurements. Assuming that the unknown scatterer boundary is a small perturbation of a circle, we develop a linearized relationship between the farโfield da
The problem of finding the pert urbed eigenvalues and eigenfunctions of a two-dimensional hard walled container, containing a hard scatterer of length scale small compared to wavelength, is treated by the method of matched asymptotic expansions. The perturbing body is of arbitrary shape and results