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CALCULATION OF THE SCATTERING FIELDS FOR IMPEDANCE SPHERE BY USING SERIES EXPANSION METHOD

Journal Name:

  • Istanbul University Journal of Electrical & Electronics Engineering

Publication Year:

  • 2003

Key Words:

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
In this work, scattering fields of the constant impedance sphere is investigated by using series expansion of the incident and the scattering fields for different frequencies and radii of the impedance sphere. Unknown coefficients in the scattering fields are found by using impedance boundary condition. We consider the impedance sphere is illuminated by plane wave that travel along z direction. The general expressions of the scattered fields are obtained and calculated on the z=2.5 m plane (3 m x 3 m) for different frequencies and radii of the impedance sphere.
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  • 2
927-933
  • English

REFERENCES

References: 

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[2] Burnside W.D., Yu C.L., Marhefka R.J., “A technique to combine the geometrical theory of diffraction and the moment method”, IEEE Transaction on Antennas and Propagation, AP-23, pp. 551-558, 1975.
[3] Topsakal E., Büyükaksoy A., İdemen M., “Scattering of electromagnetic waves by a rectangular impedance cylinder”, Wave Motion, pp. 273-296., 2000.
[4] Tezel N. S., Şimşek S., “Evaluation of the Scattering Matrix for Impedance Sphere”, IEEE International Symposium on Electromagnetic Compability, Istanbul, Turkey,2003.
[5] Tsang L., Kong J.A., Ding K.H., “Scattering of Electromagnetic Waves”, John Wiley & Sons Inc., pp. 32-41, 2000.
[6] T.B.A. Senio. and J.L. Volakis, “Approximate boundary conditions in electromagnetics”, The Institution of Electrical Engineers, 1995.

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