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2019-06-21

Plane Wave Scattering by Patches Periodically Placed on a Dielectric Rod Surface

Alexander Svezhentsev,

Dr. Alexander Svezhentsev

The National Academy of Sciences of Ukraine

Ukraine

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Valeriy A. Kizka,

Dr. Valeriy A. Kizka

Faculty of Physics

National University

Ukraine

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Guy Vandenbosch

Prof. Guy Vandenbosch

Department of Electrical Engineering

Katholieke Universiteit Leuven

Belgium

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Progress In Electromagnetics Research M, Vol. 82, 61-71, 2019

doi:10.2528/PIERM19030903 | Google Scholar

Abstract

Plane wave diffraction by a finite number of metal cylindrical rectangular strips (patches) periodically placed on a dielectric rod (DR) surface in azimuth direction is considered. The problem is solved by the Method of Moments (MoM) in the spectral domain using PieceWise Sinusoidal (PWS) basis functions. Topologies with a highly resonant behavior of the patch currents in both azimuth and longitudinal directions are considered. This includes topologies with 1, 2, or 3 patches that are nearly touching, in which case one can also view the topology as a slotted metal cylinder. For these slotted cylinders with one and two slots it is shown that 2D approximate analytical solutions based on the rigorous Riemann-Hilbert approach yield a good agreement with 3D MoM solutions for the natural frequency of the half wavelength resonance until the slot width reaches 40˚. It is found that in the 3D case the natural frequency of the half-wavelength resonance for gap coupled patches tends to zero when the slot is vanishing. The radar cross-section versus frequency, resonant current distributions on the patches and far fields are presented.

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Alexander Svezhentsev, Valeriy A. Kizka, and Guy Vandenbosch, "Plane Wave Scattering by Patches Periodically Placed on a Dielectric Rod Surface," Progress In Electromagnetics Research M, Vol. 82, 61-71, 2019.
doi:10.2528/PIERM19030903

References

1. Chen, T., N. Bowler, and J. R. Bowler, "Analysis of arc-electrode capacitive sensors for characterization of dielectric cylindrical rods," IEEE Transactions on Instrumentation and Measurement, Vol. 61, No. 1, 233-240, 2012.
doi:10.1109/TIM.2011.2157573 Google Scholar

2. Svezhentsev, A. Ye., V. Volski, S. Yan, and G. A. E. Vandenbosh, "Shaped nanoantennas on cylindrical and planar substrate," Proc. of the 2017 IEEE First Ukraine Conference on Electrical and Computer Engineering (UKRCON), 650-654, Kiev, Ukraine, May 29-June 2, 2017. Google Scholar

3. Tretyakova, S. S., O. A. Trtyakov, V. G. Sologub, and V. P. Shestopalov, "Excitation of the open structure of the ``squirrel cell'' type by a charge moving in a circle," Journal of Technical Physics, No. 10, 1923-1927, 1967 (in Russian). Google Scholar

4. Shestopalov, V. P., Summatory Equations in the Modern Theory of Diffraction, 252, Naukova Dumka, 1983.

5. Nosich, A. I. and V. P. Shestopalov, "Excitation of a partially shielded round dielectric rod by lumped sources," Soviet Physics - Technical Physics, Vol. 28, No. 12, 1421-1426, 1983. Google Scholar

6. Svezhentsev, A. Ye. and V. V. Kryzhanovskiy, "Patch shape influence upon radar cross section of a cylindrical microstrip antenna," Progress In Electromagnetic Research B, Vol. 15, 307-324, 2009.
doi:10.2528/PIERB09050602 Google Scholar

7. Svezhentsev, A. Ye., V. Kryzhanovskiy, and G. A. E. Vandenbosch, "Cylindrical microstrip array antennas with slotted strip-framed patches," Progress In Electromagnetic Research, Vol. 139, 539-558, 2013.
doi:10.2528/PIER13031916 Google Scholar

8. Svezhentsev, A. Ye., P. J. Soh, S. Yan, and G. A. E. Vandenbosch, "Green’s functions for probe-fed complex-shape cylindrical microstrip antennas," IEEE Transactions on Antennas and Propagation, Vol. 63, No. 3, 993-1003, 2015.
doi:10.1109/TAP.2015.2389794 Google Scholar

9. Schelkunoff, S. A., "Some equivalence theorems of electromagnetics and their application to radiation problems," Bell Syst. Tech. Journ., Vol. 15, 92, 1936.
doi:10.1002/j.1538-7305.1936.tb00720.x Google Scholar

10. Harrington, R. F., Time-harmonic Electromagnetic Fields, McGraw-Hill Book Company, 1961.

11. Helmholtz, H., Theorie der Luftschwingungen in Rohren mit offenen Enden, Crelle, 1860.