Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8700
Title: Σ-separability of the far-field beam-pattern due to an arbitrary excitation-function over an elliptical-rim aperture
Authors: Tam, PK
Wong, KT 
Keywords: Microwave propagation
Σ-separability
Excitation function
Far-field beam-pattern
Phase-mode analysis
Issue Date: 2010
Publisher: Institution of Engineering and Technology
Source: IET microwaves, antennas & propagation, 2010, v. 4, no. 1, p. 128-140 How to cite?
Journal: IET microwaves, antennas & propagation 
Abstract: This study is the first in the phase-mode analysis literature to analytically characterise the far-field azimuth-elevation (Ø-θ) beam-pattern due to any arbitrary excitation-function on an elliptical-rim aperture. The key findings include: such an arbitrary excitation-function's far-field beam-pattern is not always Ø-θ¸ separable. Nonetheless, this beam-pattern is Σ-separable in the sense that it is a sum of Ø-θ¸ separable terms. Moreover, this sum may be approximated (with arbitrarily small truncation-error) as a finite-term summation. A ceiling of this truncation-error is derived.
URI: http://hdl.handle.net/10397/8700
ISSN: 1751-8725
EISSN: 1751-8733
DOI: 10.1049/iet-map.2008.0364
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