DocumentCode
444967
Title
Analysis of the surface-deflection effect on the performance of the haystack reflector antenna
Author
Farahat, Nader ; Mittra, Raj ; Sanchez, Jesus
Author_Institution
Polytech. Univ. of Puerto Rico, San Juan, Puerto Rico
Volume
2B
fYear
2005
fDate
3-8 July 2005
Firstpage
478
Abstract
The effect of surface deviations of a reflector, used as a radiotelescope, is analyzed in this paper via the aperture integration approach. Initially, a numerical integration is carried out for an aperture with a moderately large diameter, and the results are then scaled for the actual size, which is thousands of wavelengths in diameter in the frequency range of interest. The effects of gravity deformation are also accounted for by adjusting the phase distribution in the aperture.
Keywords
aperture antennas; deformation; gravity; integration; millimetre wave antennas; radiotelescopes; reflector antennas; aperture integration approach; gravity deformation; haystack reflector antenna; numerical integration; performance; phase distribution; radiotelescope; surface deviations; surface-deflection effect; Aperture antennas; Deformable models; Frequency; Gravity; Optical surface waves; Performance analysis; Reflector antennas; Rough surfaces; Surface roughness; Thermal force;
fLanguage
English
Publisher
ieee
Conference_Titel
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN
0-7803-8883-6
Type
conf
DOI
10.1109/APS.2005.1552050
Filename
1552050
Link To Document