…It is mainly used at airports. The most widely used types of ceilometers are the rotating beam ceilometer and the pulsed beam ceilometer. The former consists of a receiver facing the zenith and a projector that emits a rotating beam of light toward the sky, and uses the principle of triangulation to measure the height of the cloud base. … *Some of the terminology used to refer to "rotating beam ceilometer" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…おもに空港で使用される。広く使用されているのは,回転ビーム式シーロメーターと,パルス式シーロメーターである。前者は,天頂に向いた受光器と,上空に向かって光束を回転させながら発射する投光器とから成り立っており,三角測量の原理から雲底の高さを測定する。… ※「回転ビーム式シーロメーター」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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