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Discrete image theory for horizontal electric dipoles in a multilayered medium

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3 Author(s)
D. G. Fang ; Dept. of Electr. Eng., East China Inst. of Technol., Nanjing, China ; J. J. Yang ; G. Y. Delisle

The authors deal with the evaluation of Sommerfield integrals that appear in the rigorous analysis of radiating objects embedded in a layered medium. The discrete images of a horizontal electric dipole above or within a multilayered medium, can be obtained by numerically approximating the kernel in a Sommerfeld type integral, using a series of exponential functions with different complex coefficients. The distance limitation of the image theory expression is eliminated by cooperating the contribution of the surface waves. The validity of the image theory is examined by the method of numerical integration.<>

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IEE Proceedings H - Microwaves, Antennas and Propagation  (Volume:135 ,  Issue: 5 )