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Wave scattering from a periodic surface with finite extent:A periodic approach Nakayama, Junichi Moriyama, Toyofumi Yamakita, Jiro wave scattering and diffraction finite periodic surface periodic grating As a method of analyzing the wave scattering from a finite periodic surface, this paper introduces a periodic approach. The approach first considers the wave diffraction by a periodic surface that is a superposition　of surface profiles generated by displacing the finite periodic surface by every integer multiple of the period Λ. It is pointed out that the Floquet solution for such a periodic case becomes an integral representation of the scattered field from the finite periodic surface when the period Λ goes to infinity. A mathematical relation estimating the scattering amplitude for the finite periodic surface from the diffraction amplitude for the periodic surface is proposed. From some numerical examples, it is concluded that the scattering cross section for the finite periodic surface can be well estimated from the diffraction amplitude for a sufficiently large Λ. IEICE TRANSACTIONS on Electronics ,E84C, no. 8　,pp.1111-1113 Submitted by 附属図書館 KIT-Repository (dspace-admin@jim.kit.ac.jp) on 2008-12-19T01:49:53Z No. of bitstreams: 1 moriyama01a.pdf: 187913 bytes, checksum: b81ec6a70387a01f80770e75e88c3f34 (MD5) Made available in DSpace on 2008-12-19T01:49:53Z (GMT). No. of bitstreams: 1 moriyama01a.pdf: 187913 bytes, checksum: b81ec6a70387a01f80770e75e88c3f34 (MD5) Previous issue date: 2001-08 http://purl.org/coar/resource_type/c_6501 The Institute of Electronics,Information and Communication Engineers 2001-08 VoR 8 1113 1111 IEICE TRANSACTIONS on Electronics E84C http://hdl.handle.net/10212/1830 https://kit.repo.nii.ac.jp/records/2000420 eng http://www.ieice.org/jpn/trans_online/ open access copyright©2001 IEICE