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THE LINEAR SAMPLING METHOD REVISITED

机译:修改了线性采样方法

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摘要

This paper is concerned with convergenceresults for the Linear Sampling method, a method in inversescattering theory characterizing an unknown obstacle directlythrough an indicator function computed from the data. Threeseperate but related results are shown. Firstly, sufficient con-ditions are formulated for the choice of the regularization pa-rameter that guarantee that the method converges in the pres-ence of noise for a sampling point inside the obstacle. Sec-ondly, a new, very strong connection to the related Factor-ization method is proved. Thirdly, for the first time the be-haviour of the indicator function for sampling points outsidethe obstacle is adequately explained.
机译:本文关注线性采样方法的收敛结果,该方法是通过根据数据计算的指标函数直接表征未知障碍物的反散射理论中的一种方法。显示了三个分开但相关的结果。首先,为选择正则化参数制定了充分的条件,以确保该方法收敛于障碍物内部采样点的噪声。第二,证明了与相关因子分解方法的一种非常牢固的新连接。第三,首次充分说明了障碍物外部采样点的指示器功能的表现。

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