Design considerations for beamwaveguide in the NASA Deep Space Network

A generalized solution is found for retrofitting a large dual-shaped reflector antenna for a beamwaveguide. The design is termed as a bypass beamwaveguide. Both highpass design feed imaging and bandpass design feed imaging are considered. Each design was studied using geometrical optics, Gaussian wa...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 1988-12, Vol.36 (12), p.1779-1787
Main Authors: Veruttipong, T., Withington, J.R., Galindo-Israel, V., Imbraile, W.A., Bathker, D.A.
Format: Article
Language:English
Subjects:
Antenna feeds
Antennas
Applied sciences
Exact sciences and technology
Focusing
Frequency
Geometrical optics
Intelligent networks
NASA
Noise level
Optical design
Optical transmitters
Radiocommunications
Reflector antennas
Space Communications, Spacecraft Communications, Command And Tracking
Telecommunications
Telecommunications and information theory
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Summary:A generalized solution is found for retrofitting a large dual-shaped reflector antenna for a beamwaveguide. The design is termed as a bypass beamwaveguide. Both highpass design feed imaging and bandpass design feed imaging are considered. Each design was studied using geometrical optics, Gaussian wave analysis, and both low-frequency and high-frequency diffraction analysis. An important extension of the Mizusawa-Kitsuregawa criteria was discovered (M.M. Zusama and T. Kitsuregawa, ibid., vol.AP-21, pp.844-8, Nov. 1973). The principle revealed shows how a two-reflector cell, although in itself distorting, may be combined with a second cell which compensates for the first and delivers an output beam which is a good image of the input beam.< >
ISSN:0018-926X
1558-2221
DOI:10.1109/8.14400