Use of the moon in figure-of-merit measurements of satellite earth stations

Details Use of the moon in figure-of-merit measurements of satellite earth stations Use of the moon in figure-of-merit measurements of satellite earth stations

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jeeea...9...92c&link_type=abstract

Journal of Electrical and Electronics Engineering, Australia (ISSN 0725-2986), vol. 9, Sept. 1989, p. 92-101.

Physics

Brightness Temperature, Figure Of Merit, Ground Stations, Lunar Radiation, Microwaves, Radio Receivers, Amplification, Calibrating, Communication Satellites, Radiant Flux Density, Signal To Noise Ratios

Scientific paper

The ratio of the antenna gain to the system noise temperature, G/T, determines the figure-of-merit of a satellite earth station. The requirements for direct measurement of G/T are outlined, and the relative merits of alternative radiation sources are briefly considered. Existing results of measurements of the lunar flux density over the full microwave range are reviewed with emphasis placed on the commercial satellite communication bands at 6/4 and 14/12 GHz. Problems involved in the use of these results in the measurement of G/T for satellite earth stations are then considered. The actual and potential accuracies of the lunar microwave brightness temperature measurements are discussed.

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