…This is the multiplex communication method that is widely used today. There are two types of multiplex communication methods: frequency division multiplexing (FDM) and time division multiplexing (TDM). By using multiple transmission lines and relay equipment, the cost per line can be greatly reduced. Below, we will explain the principles of these multiplex communication methods using a simplified example of telephone. … *Some of the terminology that refers to "frequency division multiplexing" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これが現在広く用いられている多重通信方式である。多重通信方式には,周波数分割多重frequency division multiplexing(FDM)通信方式と時分割多重time division multiplexing(TDM)通信方式とがあり,伝送路および中継機器類を多重に使用することにより,一回線当りのコストを大幅に軽減している。以下,電話の場合の単純化した例について,これらの多重通信方式の原理を述べる。… ※「frequency division multiplexing」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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