固体障碍物衍射理论的新原理

IEEE Symposium on Ultrasonics Pub Date : 1990-12-04 DOI:10.1109/ULTSYM.1990.171416

M. Ueda

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引用次数: 1

摘要

提出了一种以观测点为衍射中心的新型衍射原理。在传统理论中，点源作为中心。将新原理与镜像衍射的概念相结合，建立了多面体的衍射理论，并将其应用于半无限平面。用该原理得到的远场解与Kirchoff理论进行了比较。

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A new principle of diffraction-diffraction theory for solid obstacles

A novel principle of diffraction in which an observation point acts as the center of the diffraction phenomenon is proposed. In the conventional theory a point source acts as the center. By combining the novel principle with the concept of diffraction in mirror images, a diffraction theory for polyhedrons is formulated, and it is applied to a semi-infinite plane. The far-field solutions obtained with this principle are compared with Kirchoff's theory.<>

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IEEE Symposium on Ultrasonics

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