Electromagnetic pulse

Japanese: electromagnetic pulse(英語表記)electromagneticpulse
Electromagnetic pulse


[Electromagnetic Pulse]
The radiation produced by a nuclear explosion, through interaction with the atmosphere, generates an instantaneous electromagnetic pulse with an extremely wide frequency range, from several kHz to several hundred MHz. This electromagnetic pulse (EMP) reaches a maximum value almost simultaneously with the nuclear explosion, and then gradually decays. In general, changes in the electromagnetic field cause an induced voltage in a conductor, causing an excessive current to flow. …

*Some of the terminology that refers to "electromagnetic pulse" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[電磁パルス]
 核爆発によって生じた放射線は,大気との相互作用によって,数kHzから数百MHzにわたるきわめて広帯域の周波数成分を持つ瞬間的な電磁波のパルスを発生する。この電磁パルス(EMP,electromagnetic pulse)は核爆発とほとんど同時に最大値に達し,その後ゆるやかに減衰していく。一般に電磁場の変化は導体内に誘導起電圧を生じ,過度電流が流れる。…

※「electromagnetic pulse」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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