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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i17.10
pages 1499-1515

INPUT IMPEDANCE OF A CYLINDRICAL MICROSTRIP ANTENNA WITH AN ARBITRARY GEOMETRY RADIATOR EXCITED BY A COAXIAL LINE

A. Ye. Svezhentsev
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085, Ukraine

RESUMO

The problem of a cylindrical microstrip antenna excitation by a coaxial line (rod) is considered. The coaxial line is modeled by a finite-length filament of electric current. The problem is solved by the method of moments in the spectral domain using piece-wise specified functions. Such an approach allows the class of possible problems to be essentially expanded, specifically, it makes possible to analyze antennas with radiators of arbitrary geometries. The frequency dependence of the return loss amount is considered for the antenna with an E-shaped radiator.

Referências

  1. "4-th European Workshop on Conformal Antennas'': Proceedings.

  2. ''5-th European Workshop on Conformal Antennas'': Proceedings.

  3. Wu, K.Y. and Kaufman, J.F., Radiation pattern computation for cylindrical-rectangular microstrip antenna.

  4. Luk, Kwai-Man, Lee, Kai-Fong, Dahele, J.S., Analysis of the Cylindrical-Rectangular Patch Antenna.

  5. Silva, F.C., Fonseca, S.B.A., Soares, A.J.M., and Giarola, A.J. , Analysis of microstrip antennas on circular-cylindrical substrates with a dielectric overlay.

  6. Habashy, T.M., Ali, S.M., and Kong, J.A., Input impedance and radiation pattern of cylindrical-rectangular and wraparound microstrip antennas.

  7. Vecchi, G., Bertuch, T., and Orefice, M., Analysis of cylindrical printed antennas with subsectional basis functions in the spectral domain.

  8. Schelkunoff, S.A., Some equivalence theorems of electromagnetics and their application to radiation problems.

  9. Pozar, D.M., Input impedance and mutual coupling of rectangular microstrip antennas.

  10. Svezhentsev, A.Ye. and Vandenbosch, G.A.E., Efficient spatial domain moment method solution of cylindrically rectangular microstrip antennas.

  11. Svezhentsev, A.Ye. and Vandenbosch, G.A.E., Mixed-Potential Green's Functions for Sheet Electric Current Over Metal-Dielectric Cylindrical Structure.

  12. Svezhentsev, A.Ye. and Vandenbosch, G.A.E., Spatial Green's function singularity for sheet electric current over dielectric coated cylinder.

  13. Abramowitz, M. and Stegun, I.A., Handbook of Mathematical Functions.

  14. Mang, H. and Xiaowen, X., Closed-Form Solution for Analysis of Cylindrically Conformal Antennas With Arbitrary Radii.


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