释义 |
long wave
long waven. A radio wave with a wavelength in excess of 1,000 meters.long wave or long-waven (Telecommunications) a. a radio wave with a wavelength greater than 1000 metresb. (as modifier): a long-wave broadcast. ThesaurusNoun | 1. | long wave - a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)radio emission, radio radiation, radio wave - an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m | Translationslong wave
long wave[′lȯŋ ¦wāv] (communications) An electromagnetic wave having a wavelength longer than the longest broadcast-band wavelength of about 545 meters, corresponding to frequencies below about 550 kilohertz. (meteorology) With regard to atmospheric circulation, a wave in the major belt of westerlies which is characterized by large length (thousands of kilometers) and significant amplitude; the wavelength is typically longer than that of the rapidly moving individual cyclonic and anticyclonic disturbances of the lower troposphere. Also known as major wave; planetary wave. See LGWV See LGWVlong wave
Words related to long wavenoun a radio wave with a wavelength longer than a kilometer (a frequency below 300 kilohertz)Related Words- radio emission
- radio radiation
- radio wave
|