Title :
New analysis of beamwaveguide antennas considering the presence of the metallic tube and its experimental verification
Author :
Cha, A.G. ; Imbriale, W.A. ; Withington, J.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
Large beamwaveguide (BWG) type ground station antennas are usually designed using analysis that ignores the presence of the metallic tube enclosing the beamwaveguide mirrors. A novel and fundamentally more correct BWG analysis which considers the presence of the metal tube is presented. Numerical results on a two-mirror system using the analysis are compared with experimental results. A BWG was used to test the effects of the enclosing metallic tubes on the performance of BWG antennas. Measurements of the two-mirror system with and without the metal tube are found to validate the analysis.<>
Keywords :
antenna feeders; antenna radiation patterns; reflector antennas; satellite antennas; waveguide antennas; BWG analysis; antenna radiation patterns; beamwaveguide antennas; beamwaveguide mirrors; ground station antennas; metallic tube; numerical results; reflector antennas; satellite antennas; two-mirror system; Antenna feeds; Frequency; Light scattering; Mirrors; Optical scattering; Optical surface waves; Physical optics; Polarization; Probes; Testing;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1990. AP-S. Merging Technologies for the 90's. Digest.
Conference_Location :
Dallas, TX, USA
DOI :
10.1109/APS.1990.115402
