Calculation of radiation patterns of paraboloidal reflectors by high-frequency asymptotic techniques

Details Calculation of radiation patterns of paraboloidal reflectors by high-frequency asymptotic techniques Calculation of radiation patterns of paraboloidal reflectors by high-frequency asymptotic techniques

Apr 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ell....12..229s&link_type=abstract

Electronics Letters, vol. 12, Apr. 29, 1976, p. 229-231.

Physics

Optics

2

Antenna Design, Antenna Feeds, Antenna Radiation Patterns, Asymptotic Methods, Parabolic Reflectors, Wave Diffraction, High Frequencies, Parabolic Antennas, Polarization Characteristics, Radio Antennas

Scientific paper

The radiation pattern of a paraboloidal reflector is calculated by two different methods: a method based on asymptotic physical optics and a method based on the geometrical theory of diffraction. The effectiveness with which the two methods calculate the H and E plane patterns of focus-fed paraboloids with feeds of Huygens source polarization is compared. It is shown that the method based on the theory of diffraction is not as good an approximation as that based on physical optics for calculating scattering from paraboloidal reflectors.

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