side lobe

Japanese: side lobe(英語表記)sidelobe
side lobe

...This shows how radiation changes depending on the direction, and is also called radiation directivity or simply directivity, and its shape is called a radiation pattern. When the radiation pattern is divided into several petals, the one with the strongest radiation is called the main lobe, and the others are called side lobes. The directivity of an antenna varies greatly depending on the type, but the directivity of the same antenna when used for transmission and when used for reception is exactly the same. ...

*Some of the terminology that mentions "side lobe" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これは放射が方向によってどのように変化するかを表すもので,放射指向性,あるいは単に指向性とも呼ばれ,その形を図示したものは放射パターンと呼ばれている。放射パターンが花弁状にいくつかに分かれているとき,その中のもっとも放射の強いものを主ローブ,それ以外のものをサイドローブside lobeという。アンテナの指向性は,その種類によって大きく異なっているが,同じアンテナを送信に使った場合と受信に使った場合の指向性はまったく同じになる。…

※「side lobe」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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