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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 Fraunhofer distance ： ウィキペディア英語版 Fraunhofer distance The Fraunhofer distance, named after Joseph von Fraunhofer, is the value of: :$d\; =\; ,$ where D is the largest dimension of the radiator (or the diameter of the antenna) and $$ is the wavelength of the radio wave. This distance provides the limit between the near and far field. == See also == * Fresnel number * Fresnel diffraction and Fraunhofer diffraction * Antenna measurement 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「Fraunhofer distance」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.