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long wave |
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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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The glass has an additional low-E coating comprised of an invisible metallic coating, which reflects long-wave radiation. now offers its Spectroline AP-800 UltraWand UV inspection lamp to deliver long-wave UV illumination in restricted areas. Like the company's well-known Wave-scan DOI model, this new instrument measures long-wave and short-wave surface irregularities. |
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