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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 FuG 25a Erstling ： ウィキペディア英語版 FuG 25a Erstling The on-board radio set FuG 25a Erstling (German: ''"Debut"'') was an identification friend or foe (IFF) system installed into Luftwaffe aircraft of World War II starting in 1941 in order to allow German radar stations to identify them as friendly. Developed by the GEMA company, it received impulses from German Freya or Würzburg radar stations and replied with a pre-defined signal. Later, the FuG 25a became a key component of the EGON night fighter guidance procedure. == Operation == The "Erstling" IFF transceiver was activated from ground stations by switching the pulse repetition frequency from 3,750 Hz to 5,000 Hz. The on-board device replied by sending a pre-programmed morse code signal on 156 MHz. The coding unit was a motor-driven cam switch encrypted with two ten-bit code keys. Würzburg stations needed to be equipped with accessory units, namely a query transmitter code-named ''Q-Gerät'' ("Kuh", German "cow") and the identification receiver "Gemse" (German for "chamois"). 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「FuG 25a Erstling」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.