In this paper,we consider the penetrable scattering problem with the Robin core,The problem can be attributed to the following mixed boundary value problem:with k_i > 0,j = 0,1;μ> 0,λis the complex function,Re(?)≤0,ηis a H(?)lder continuous function,and (?),η(x)≠0, (?).We separate two parts to research the problem:one is the scattering problem ;the other is the inverse scattering problem,given the shape of the scatterers,to determine the impedance functionηfrom a knowledge of the far field pattern for one incident wave,These two aspects of the study are based on the corresponding boundary integral equation.
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