稳健性(进化)
反问题
计算机科学
计算复杂性理论
破损
数学优化
反向
逆散射问题
算法
采样(信号处理)
数学
应用数学
探测器
数学分析
生物化学
电信
基因
几何学
万维网
化学
作者
Jingzhi Li,Hongyu Liu,Qi Wang
标识
DOI:10.1016/j.jcp.2013.09.048
摘要
We develop two enhanced techniques for the multilevel linear sampling method (MLSM) proposed in [32] for inverse scattering problems. Under some practical situations, the MLSM suffers certain undesirable "breakage cells" problem. We propose to avoid the curse of "breakage cells" by incorporating "expanding" and "searching" techniques. The new techniques are shown to significantly improve the robustness of the MLSM, and meanwhile they possess the same optimal computational complexity as the MLSM. Numerical experiments are presented to illustrate the promising features of the enhanced MLSMs.
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