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Peculiarities of Global EM Wave Distribution within 10–1000 GHz

Peculiarities of Global EM Wave Distribution within 10–1000 GHz

The seasonal, latitude and longitude dependencies of near ground absorption and vertical absorption of radio waves in atmospheric transparence windows within 10-1000 GHz for different continents and oceans are estimated quantitatively. The qualitative and quantitative peculiarities of mentioned depe...

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Bibliographic Details
Main Authors: Mikhailov, A. S., Ruzhentsev, N. V.
Format: Article
Language:rus
Published: Видавничий дім «Академперіодика» 2013
Online Access:http://rpra-journal.org.ua/index.php/ra/article/view/611
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Summary:The seasonal, latitude and longitude dependencies of near ground absorption and vertical absorption of radio waves in atmospheric transparence windows within 10-1000 GHz for different continents and oceans are estimated quantitatively. The qualitative and quantitative peculiarities of mentioned dependencies obtained with the ERA-15 and Liebe models used together are discussed. The data obtained and the noted peculiarities of global distribution of radio absorption show that its difference for same latitudes can reach a few times. The seasonal-latitude shifts of the extreme values of radio absorption as well as the seasonal transformations of longitude and latitude dependencies indicate that the optimal frequencies for satellite or near-ground communication and seasonal propagation instability are different for the different world regions.

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