...The absorption of shortwave radio waves in the D region of the ionosphere is most pronounced (Dillinger phenomenon). The movement of electrons in the ionosphere is influenced by the Earth's magnetic field and has the property of rotating counterclockwise (left-handed) relative to the magnetic field direction, so radio waves that enter the ionosphere are divided into two types of radio waves with different propagation properties, called normal waves (left-handed) and abnormal waves (right-handed). *Some of the terminology that refers to "abnormal waves" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…電離圏D領域における短波帯電波の吸収が最も顕著である(デリンジャー現象)。電離圏における電子の運動は地球磁場の影響を受けて磁場方向に対して反時計回り(左回り)に回転する性質をもつため,電離圏に侵入した電波は正常波(左旋回)および異常波(右旋回)とよばれる伝搬の性質が異なる2種類の電波に分かれる。 ※「異常波」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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