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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Post-wall waveguide ： ウィキペディア英語版 Post-wall waveguide A post-wall waveguide (also known as substrate integrated waveguide (SIW) or a laminated waveguide) is a synthetic rectangular electromagnetic waveguide formed in a dielectric substrate by densely arraying metallized posts or via-holes which connect the upper and lower metal plates of the substrate. The waveguide can be easily fabricated with low-cost and mass-production using through-hole techniques where the post walls consists of via fences. The post-wall waveguide is known to have similar guided wave and mode characteristics to the conventional rectangular waveguide with equivalent guided wavelength. For instance, the equivalent width of a rectangular waveguide compared to a SIW is described in the approximation: $$ a_=a_-1.08(2r)^2/p + 0.1 (2r)^2/a_ where $p$ is the distance between the posts in the post wall, $r$ describes the radius, and $a\_$ as well as $a\_$ are the widths of the rectangular waveguide, resp. SIW. ==External links== *(siwspace.com ) – A web on Substrate integrated waveguide 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Post-wall waveguide」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.