…When the carrier wave is a pulse train, phase modulation is also called pulse position modulation (PPM) because it is a method of changing the position of the pulse. [Yoshiaki Tanaka]… *Some of the terms that refer to "pulse position modulation" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…なお,搬送波がパルス列の場合の位相変調は,パルスの位置を変化させる方式であるので,パルス位置変調(PPM。pulse position modulationの略)とも呼ばれる。【田中 良明】。… ※「pulse position modulation」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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