...In a narrow sense, in telecommunications, it is the process of detecting changes in the parameters (amplitude, frequency, phase, etc.) of the transmitted carrier wave and restoring the modulated signal. In this case, it is also called detection. Here, the demodulation circuit will be explained assuming the carrier wave is a sine wave. ... *Some of the terminology explanations that mention "detection" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…狭義には,電気通信において,送られてきた搬送波のパラメーター(振幅,周波数,位相など)の変化を検出し,変調信号を復元することである。この場合,検波detectionともいう。ここでは搬送波を正弦波として復調回路を説明する。… ※「detection」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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