Aperture Radiation from an Axially Slotted Elliptical Conducting Cylinder Using Geometrical Theory of Diffraction

Constantine A. Balanis; Leon Peters

doi:10.1109/TAP.1969.1139478

Aperture Radiation from an Axially Slotted Elliptical Conducting Cylinder Using Geometrical Theory of Diffraction

Constantine A. Balanis, Leon Peters

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Abstract

The equatorial radiation pattern of a parallel-plate TEM mode axial slot on an infinite cylinder of elliptical cross section is computed using wedge-diffraction and creeping-wave theory. The wedge-diffracted fields are obtained by the diffraction interaction from a set of infinite wedges approximating the parallel-plate-cylinder geometry. Surface-wave propagation on curved bodies commonly used in scattering is employed for the creeping-wave contribution. The total field in the lit region is approximated using superposition of wedge-diffracted and creeping-wave fields and in the shadow region solely by creeping-wave fields. The computed patterns are compared with experimental results since boundary-value solutions are not readily available. Good agreement between theory and experiment is indicated.

Original language	English (US)
Pages (from-to)	507-513
Number of pages	7
Journal	IEEE Transactions on Antennas and Propagation
Volume	17
Issue number	4
DOIs	https://doi.org/10.1109/TAP.1969.1139478
State	Published - Jul 1969
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering

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title = "Aperture Radiation from an Axially Slotted Elliptical Conducting Cylinder Using Geometrical Theory of Diffraction",

abstract = "The equatorial radiation pattern of a parallel-plate TEM mode axial slot on an infinite cylinder of elliptical cross section is computed using wedge-diffraction and creeping-wave theory. The wedge-diffracted fields are obtained by the diffraction interaction from a set of infinite wedges approximating the parallel-plate-cylinder geometry. Surface-wave propagation on curved bodies commonly used in scattering is employed for the creeping-wave contribution. The total field in the lit region is approximated using superposition of wedge-diffracted and creeping-wave fields and in the shadow region solely by creeping-wave fields. The computed patterns are compared with experimental results since boundary-value solutions are not readily available. Good agreement between theory and experiment is indicated.",

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T1 - Aperture Radiation from an Axially Slotted Elliptical Conducting Cylinder Using Geometrical Theory of Diffraction

AU - Balanis, Constantine A.

AU - Peters, Leon

PY - 1969/7

Y1 - 1969/7

N2 - The equatorial radiation pattern of a parallel-plate TEM mode axial slot on an infinite cylinder of elliptical cross section is computed using wedge-diffraction and creeping-wave theory. The wedge-diffracted fields are obtained by the diffraction interaction from a set of infinite wedges approximating the parallel-plate-cylinder geometry. Surface-wave propagation on curved bodies commonly used in scattering is employed for the creeping-wave contribution. The total field in the lit region is approximated using superposition of wedge-diffracted and creeping-wave fields and in the shadow region solely by creeping-wave fields. The computed patterns are compared with experimental results since boundary-value solutions are not readily available. Good agreement between theory and experiment is indicated.

AB - The equatorial radiation pattern of a parallel-plate TEM mode axial slot on an infinite cylinder of elliptical cross section is computed using wedge-diffraction and creeping-wave theory. The wedge-diffracted fields are obtained by the diffraction interaction from a set of infinite wedges approximating the parallel-plate-cylinder geometry. Surface-wave propagation on curved bodies commonly used in scattering is employed for the creeping-wave contribution. The total field in the lit region is approximated using superposition of wedge-diffracted and creeping-wave fields and in the shadow region solely by creeping-wave fields. The computed patterns are compared with experimental results since boundary-value solutions are not readily available. Good agreement between theory and experiment is indicated.

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JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

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ER -

Aperture Radiation from an Axially Slotted Elliptical Conducting Cylinder Using Geometrical Theory of Diffraction

Abstract

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