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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 Downlink CNR ： ウィキペディア英語版 Downlink CNR Downlink CNR (Carrier to noise ratio in satellite reception) is an important figure in system TVRO design. Below are certain parameters used in CNR computation. ==Figure of merit== Figure of merit is given as :$f=\backslash frac$ Where t is the temperature and g is the gain of the receiver antenna. For lossless case :$t=t\_a+(n-1)\backslash cdot\; t\_0$ and :$f=\backslash frac$ where n is the noise factor, ta is the noise temperature of the antenna and t0 is the temperature of the envirıonment (taken as 2900K). F in db is simply :$F=\; 10\; \backslash \; \backslash log\_\; (f)$ 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「Downlink CNR」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.