Analysis of a Cylindrical Dielectric Radome Covering Omnidirectional Waveguide Slot Antennas

Authors

  • J.-Y. Li Temasek Laboratories, National University of Singapore
  • J.-Li Guo National Key Laboratory of Antennas and Microwave Technology, Xidian University
  • Y.-L. Zou National Key Laboratory of Antennas and Microwave Technology, Xidian University
  • Qi-Z. Liu National Key Laboratory of Antennas and Microwave Technology, Xidian University

Keywords:

Slot antenna, radiation pattern, method of moments, and radome

Abstract

In this paper, the method of moments (MoM) is
employed to solve the elect romagnetic field integral
equation for characterizing slotted waveguide antenna
covered by a dielectric radome. Different from those
existing practical examples discussed in literature, these
structures consist of mixed conducting and homogeneous
dielectric objects. Both basis functions and testing
functions are chosen as the well-established
Rao-Wilton-Glisson (RWG) basis functions. Effects of the
radome on the slotted antenna’s radiation patterns are
analyzed and discussed.

Downloads

Download data is not yet available.

References

T. Takeshima, “X-band omnidirecrectional

double-slot array antenna,” Electron Eng., vol. 39, pp.

–621, Oct. 1967.

S. W. LÜ, “Study of properties of slot-pair in

waveguide,” ACTA Electronica Sinica, vol. 16, pp.

–107, Sept. 1988. (in Chinese)

R. W. Lyon and A. J. Sangster, “Efficient moment

method analysis of radiating slots in a thick-walled

rectangular waveguide,” Proc. Inst. Elect. Eng. Part

H, vol. 128, pp. 197–205, Aug. 1981.

A. J. Sangster and H. Wang, “Resonance properties of

omnidirectional slot doublet in rectangular

waveguide,” Electronics Letters, vol. 29, no. 1, pp.

–18, 1993.

J. Y. Li, L. W. Li, and Y. B. Gan, “Method of

moments analysis of waveguide slot antennas using

the EFIE ,” Journal of Electromagnetic Waves and

Applications, vol. 19, no. 13, pp. 1729-1748, 2005.

K. Umashankar, A. Taflove, and S. M. Rao,

“Electromagnetic scatteri ng by arbitrary shaped

three-dimensional homogeneous lossy dielectric

objcts,” IEEE Trans. on Antennas and Propagation,

vol. 34, no. 6, pp. 758–766, June 1986.

B. M. Kolundzija, “Electromagnetic modeling of

composite metallic and dielectric structures,” IEEE

Trans. on microwave theory and techniques, vol. 47,

no. 7, pp. 1021–1032, July 1999.

J. Y. Li and L. W. Li, “Electromagnetic scattering by

a mixture of conducting and dielectric objects:

analysis using method of moments,” IEEE Trans. on

Vehicular Technology, vol. 53, no. 2, pp. 514–520,

S. M. Rao, D. R. Wilton, and A. W. Glisson,

“Electromagnetic scattering by surfaces of arbitrary

shape, ” IEEE Trans. on Antennas and Propagation,

vol. 30, no. 5, pp. 409–418, May 1982

Downloads

Published

2022-06-17

How to Cite

[1]
J.-Y. . Li, J.-L. . Guo, Y.-L. . Zou, and Q.-Z. . Liu, “Analysis of a Cylindrical Dielectric Radome Covering Omnidirectional Waveguide Slot Antennas”, ACES Journal, vol. 23, no. 2, pp. 166–173, Jun. 2022.

Issue

Section

General Submission