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Backscattering wave mode analysis of an elastic tube and parameter reconstruction
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作者 LIU Zhiwen WANG Renqiao and LI Yingchun(Department of Radio Electronics, Peking University, Beijing 100871) 《Chinese Journal of Acoustics》 1994年第4期331-336,共6页
In this paper, we first discuss the direct scattering problem for a cylindrical homogeneous clastic tube with a geometrical method, and then study the inverse problem. The heuristics of B-F procedure (Best-First searc... In this paper, we first discuss the direct scattering problem for a cylindrical homogeneous clastic tube with a geometrical method, and then study the inverse problem. The heuristics of B-F procedure (Best-First search strategy) is used. The inner radius, outer radius, sound velocitics of the tube and sound velocity of the internal medium are obtained with this heuristics. 展开更多
关键词 Backscattering wave mode Parameter reconstruction Echo group B-F procedure (Best-First Search strategy) Sound ray
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