| A Sampling Method for Solving Inverse Scattering Problems with a Locally Perturbed Half Plane |
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| 作者姓名： | 冯立新 马富明 李荣华 |
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| 作者单位： | School of Mathematics，Jilin University，Changchun，130012，Department of Mathematics，Heilongjiang University，Harbin，150080，School of Mathematics，Jilin University，Changchun，130012，Communicated by LI Ronghua |
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| 基金项目： | Special Funds for Major State Basic Research Projects(G1999032802)in China and NNSF(10076006)of China. |
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| 摘 要： | In this paper,we will consider the scattering of time—harmonic electromagnetic waves by aninfinitely long cylinder with a perfectly conducting boundary.The problem is modelled by aDirichlet problem for the Helmholtz equation.Adopting Cartesion coordinates(Xl,X2,X3)in础we assume that the boundary is the XlX3一plane with the perturbation independent of z3and local with respect to X1.Furthermore,we assume that the elect:tic and magnetic fieldsare invariant with respect to X3 and we restrict …
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