Combined arrival-time imaging and time reversal for scatterer identification

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• 作者：Eyal Amitt^a ; ^{amitt.eyal@gmail.com} ; Dan Givoli^a ; ^{givolid@technion.ac.il} ; Eli Turkel^b ; ^{turkel@post.tau.ac.il}
• 关键词：Time reversal ; Arrival time ; Waves ; Inverse problems ; Scatterer identification ; Crack identification
• 刊名：Computer Methods in Applied Mechanics and Engineering
• 出版年：2017
• 出版时间：1 January 2017
• 年：2017
• 卷：313
• 期：Complete
• 页码：279-302
• 全文大小：2614 K
• 卷排序：313

文摘

A new computational technique for scatterer identification is proposed. The optimization search space is much reduced compared with Time Reversal alone. An improved objective function is devised. The performance of the new method is investigated via numerical examples.