Title :
A new technique for vernier pointing of a beam-waveguide antenna
Author :
Veruttipong, W. ; Bathker, D.A.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
This paper presents a new and simple approach for the Ka-band vernier pointing of a 34 m beam-waveguide (BWG) antenna (also applicable to a 70 m antenna). In this study, rotation of a BWG flat mirror, located at the elevation axis, is used to scan the beam instead of using the very large tipping structure of the antenna. The rotation of a BWG flat minor at another location is also investigated. The advantages of scanning the drastically smaller mirror with a less precise mechanism will be discussed. RF performance predictions will be presented.<>
Keywords :
microwave antennas; mirrors; reflector antenna feeds; waveguide antennas; 32 GHz; BWG flat mirror rotation; Ka-band; RF performance; beam-waveguide antenna; elevation axis; tipping structure; vernier pointing; Error correction; Laboratories; Mirrors; NASA; Noise reduction; Radio frequency; Signal to noise ratio; Space vehicles; Telemetry;
Conference_Titel :
Antennas and Propagation Society International Symposium, 1994. AP-S. Digest
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-7803-2009-3
DOI :
10.1109/APS.1994.407920
