Progress in Radio ScienceElsevier Publishing Company, 1965 - Radio Vols. for are the proceedings of the union's commissions during the 14th general assembly. |
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Page 179
... Gc / s , above which noise from the atmosphere becomes increasingly important . Since we are concerned with broadband communications , discussion will be directed mainly toward frequencies above 1 Gc / s . To provide a working number ...
... Gc / s , above which noise from the atmosphere becomes increasingly important . Since we are concerned with broadband communications , discussion will be directed mainly toward frequencies above 1 Gc / s . To provide a working number ...
Page 181
... GC / s 0.5 1 5 10 50 Fig . 1. ( a ) Attenuation and ( b ) noise temperature due to oxygen and water vapor at various angles of elevation vs. frequency . points at 2.4 Gc / s [ 4 ] ; 6 Gc / s [ 5 ] ; 20 , 23 , and 30 Gc / s [ 6 ] and at 35 ...
... GC / s 0.5 1 5 10 50 Fig . 1. ( a ) Attenuation and ( b ) noise temperature due to oxygen and water vapor at various angles of elevation vs. frequency . points at 2.4 Gc / s [ 4 ] ; 6 Gc / s [ 5 ] ; 20 , 23 , and 30 Gc / s [ 6 ] and at 35 ...
Page 277
... Gc / s and 184.4 Gc / s with 149 more lines falling between 323 and 14,200 Gc / s . A complex of more than 20 oxygen lines exists in the region between 55 and 65 Gc / s with a single line falling at 120 Gc / s . Although the resonant ...
... Gc / s and 184.4 Gc / s with 149 more lines falling between 323 and 14,200 Gc / s . A complex of more than 20 oxygen lines exists in the region between 55 and 65 Gc / s with a single line falling at 120 Gc / s . Although the resonant ...
Contents
Models of Atmosphere | 20 |
Modèles datmosphère découlant dobservations météorologiques P Misme | 31 |
Models of the troposphere derived from direct measurements of the atmospheric | 44 |
Copyright | |
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absorption angle antenna atmosphere attenuation average band Bean calculated coefficient communication conductivity considered constant correlation corresponding curves dans dependence determined diffraction diffusion direction discussion distance distribution earth echo effects elevation Etats-Unis été experiments fall field fluctuation frequency function Gc/s given gradient ground height horizontal important increase indicated influence Japan layers loss Mc/s mean measurements Meteorol meteorological method noise observed obtained parameters path possible prediction presented Proc propagation radar radio waves rain rainfall range received reflection refractive index relation scattering shown shows signal space spectrum speed standard strength structure studies surface temperature terrain theory tion transmission troposphere turbulence types typhoon values variable variations varies velocity vertical volume Weather Radar wind