Title :
Scintillation fade and enhancement duration on a 20 GHz satellite downlink
Author_Institution :
Centre for Satellite Eng. Res., Surrey Univ., Guildford, UK
fDate :
7/4/1996 12:00:00 AM
Abstract :
Statistics of observed durations of scintillation fades and enhancements on the Olympus satellite 20 GHz downlink are presented for various threshold signal levels and atmospheric turbulence intensities. During weak turbulence most signal amplitude deviations from mean level were shortlived (<1 s). Distribution of fade durations at thresholds >0.8 dB were reasonably well approximated by the lognormal function
Keywords :
atmospheric electromagnetic wave propagation; atmospheric turbulence; fading; microwave propagation; satellite links; scintillation; 20 GHz; Olympus satellite; atmospheric turbulence intensities; enhancement duration; fade durations; lognormal function approximation; satellite downlink; scintillation fade; signal amplitude deviations; threshold signal levels;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19960843
