Reconstruction of a defect in an open waveguide——Dedicated to Professor Shi Zhong-Ci on the Occasion

• 作 者: BAO Gang TRIKI Faouzi
• 机 构: DepartmentofMathematics,DepartmentofMathematics,LaboratoireJeanKuntzmann
• 出 处: 中国科学：数学英文版
• 发表日期: 2013年12期
• 关键词: 缺陷 波导 重构 生日 散射 有限数 逆问题 低频率 inverse problem Helmholtz equation open waveguide
• 基金项目: This work was supported by National Science Foundation of USA （Grant Nos. DMS- 0908325, DMS-0968360 and DMS-1211292）, Office of Naval Research of USA （ONR） （Grant No. N00014-12-1- 0319）, National Natu

The paper is concerned with the reconstruction of a defect in the core of a two-dimensional open waveguide from the scattering data.Since only a fnite numbers of modes can propagate without attenuation inside the core,the problem is similar to the one-dim