Title :
An efficient representation of radiation from a circular aperture with tapered amplitude and quadratic phase
Author :
Sun, En-Yuan ; Rusch, Willard V T
Author_Institution :
Dept. of Electr. Eng., Univ. of Southern California, Los Angeles, CA, USA
fDate :
4/1/1991 12:00:00 AM
Abstract :
An efficient series representation is derived for Ipab, a quadratic phase integral commonly encountered in aperture-antenna theory. The accuracy and efficiency of the series formula relative to ordinary numerical integration are discussed. This formula may be useful in solving such problems as quadratic-phase error effects on beamwidth, field in the Fresnel-region, on-axis defocus characteristics of a paraboloidal reflector, or shadow-region field behind a disk
Keywords :
antenna radiation patterns; antenna theory; Fresnel-region; aperture-antenna theory; beamwidth; circular aperture; error effects; on-axis defocus characteristics; paraboloidal reflector; quadratic phase integral; radiation pattern; series representation; shadow-region field; tapered amplitude; Apertures; Eigenvalues and eigenfunctions; Electromagnetic scattering; Electromagnetic wave polarization; Laplace equations; Linearity; Quantum mechanics; Sun; Visualization;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
