Title :
The reflectivity investigation of satellite and ground based antennas AT 100-380 GHZ and 80 K
Author_Institution :
Russian Acad. of Sci., Nizhny Novgorod
Abstract :
The satellite and ground based antenna reflectivity investigations have been made. It was revealed that the reflective coverings of some composite carbon fibers antennas have inadmissibly more reflective losses which lead to the essential noise temperature increasing of high sensitive cooled receivers. The significant anisotropy of carbon fibres antenna covering have been found. Unexpected reflectivity behaviour of satellite antenna reflectors at liquid nitrogen temperatures was found.
Keywords :
reflector antennas; satellite antennas; antenna reflectivity; composite carbon fibers antennas; frequency 100 GHz to 380 GHz; ground based antennas; reflectivity investigation; satellite antenna reflectors; Absorption; Atmospheric measurements; Extraterrestrial measurements; Reflection; Reflectivity; Reflector antennas; Satellite antennas; Temperature measurement; Temperature sensors; Testing; MM and SubMM waves; antennas reflectivity; cryogenic temperatures;
Conference_Titel :
Antenna Theory and Techniques, 2007 6th International Conference on
Conference_Location :
Sevastopol
Print_ISBN :
978-1-4244-1584-7
DOI :
10.1109/ICATT.2007.4425119
