Application of impedance boundary conditions to numerical solution of corrugated circular horns

K Iskander; L Shafai; Aksel Frandsen; Jesper Hansen

doi:10.1109/TAP.1982.1142819

Application of impedance boundary conditions to numerical solution of corrugated circular horns

K Iskander, L Shafai, Aksel Frandsen, Jesper Hansen

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Abstract

An integral equation method is used to formulate the problem of scattering by rotationally symmetric horn antennas. The excitation is assumed to be due to an infinitesimal dipole antenna, while the secondary field is obtained by assuming anisotropic impedance boundary conditions on the horn surface. This formulation is then used to investigate numerically the radiation from corrugated conical horns by approximating the corrugated surface with anisotropic surface impedances. The method is also used to study the scattering properties of receiver horns. In this case the external load is simulated by an impedance surface at the inner-end wall of the horn antenna, which is illuminated by an axially incident plane wave.

Original language	English
Journal	I E E E Transactions on Antennas and Propagation
Volume	30
Issue number	3
Pages (from-to)	366-372
ISSN	0018-926X
DOIs	https://doi.org/10.1109/TAP.1982.1142819
Publication status	Published - 1982

Bibliographical note

Copyright: 1982 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Application of impedance boundary conditions to numerical solution of corrugated circular horns",

abstract = "An integral equation method is used to formulate the problem of scattering by rotationally symmetric horn antennas. The excitation is assumed to be due to an infinitesimal dipole antenna, while the secondary field is obtained by assuming anisotropic impedance boundary conditions on the horn surface. This formulation is then used to investigate numerically the radiation from corrugated conical horns by approximating the corrugated surface with anisotropic surface impedances. The method is also used to study the scattering properties of receiver horns. In this case the external load is simulated by an impedance surface at the inner-end wall of the horn antenna, which is illuminated by an axially incident plane wave.",

author = "K Iskander and L Shafai and Aksel Frandsen and Jesper Hansen",

note = "Copyright: 1982 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE",

year = "1982",

doi = "10.1109/TAP.1982.1142819",

language = "English",

volume = "30",

pages = "366--372",

journal = "I E E E Transactions on Antennas and Propagation",

issn = "0018-926X",

publisher = "Institute of Electrical and Electronics Engineers",

number = "3",

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T1 - Application of impedance boundary conditions to numerical solution of corrugated circular horns

AU - Iskander, K

AU - Shafai, L

AU - Frandsen, Aksel

AU - Hansen, Jesper

N1 - Copyright: 1982 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

PY - 1982

Y1 - 1982

N2 - An integral equation method is used to formulate the problem of scattering by rotationally symmetric horn antennas. The excitation is assumed to be due to an infinitesimal dipole antenna, while the secondary field is obtained by assuming anisotropic impedance boundary conditions on the horn surface. This formulation is then used to investigate numerically the radiation from corrugated conical horns by approximating the corrugated surface with anisotropic surface impedances. The method is also used to study the scattering properties of receiver horns. In this case the external load is simulated by an impedance surface at the inner-end wall of the horn antenna, which is illuminated by an axially incident plane wave.

AB - An integral equation method is used to formulate the problem of scattering by rotationally symmetric horn antennas. The excitation is assumed to be due to an infinitesimal dipole antenna, while the secondary field is obtained by assuming anisotropic impedance boundary conditions on the horn surface. This formulation is then used to investigate numerically the radiation from corrugated conical horns by approximating the corrugated surface with anisotropic surface impedances. The method is also used to study the scattering properties of receiver horns. In this case the external load is simulated by an impedance surface at the inner-end wall of the horn antenna, which is illuminated by an axially incident plane wave.

U2 - 10.1109/TAP.1982.1142819

DO - 10.1109/TAP.1982.1142819

M3 - Journal article

SN - 0018-926X

VL - 30

SP - 366

EP - 372

JO - I E E E Transactions on Antennas and Propagation

JF - I E E E Transactions on Antennas and Propagation

IS - 3

ER -

Application of impedance boundary conditions to numerical solution of corrugated circular horns

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