FM Communication

Japanese: FM 通信 - えふえむつうしん
FM Communication

…In 1921, he invented the super-regenerative circuit for receiving very short waves, and in 1933, he invented the frequency modulation (FM) communication method. FM communication is superior to amplitude modulation (AM) communication in terms of noise suppression and stability (no fading), and is now widely used in broadcasting and other fields. In 1935, he succeeded Pupin as a professor at Columbia University. …

*Some of the terminology that refers to "FM communication" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…21年に超短波受信用に超再生回路を発明し,33年には,周波数変調(FM)通信方式を発明した。FM通信は振幅変調(AM)通信に比べて雑音抑制,安定性(フェージングがないこと)などにおいて優れ,今日では放送をはじめとして広く用いられている。35年にはピューピンのあとを継いでコロンビア大学の教授になった。…

※「FM 通信」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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