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Equivalent edge currents for arbitrary aspects of observation

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1 Author(s)
Michaeli, A. ; Armament Development Authority, Haifa, Israel

Explicit expressions for equivalent edge currents are derived for an arbitrary local wedge angle and arbitrary directions of illumination and observation. Thereby the method of equivalent currents (MEC) is completed as a practically applicable theory of the electromagnetic high-frequency diffraction by edges. The derivation is based on an asymptotic relationship between the surface radiation integral of the physical theory of diffraction (PTD) and the line radiation integral of MEC, and the resulting expressions are deduced from the exact solutions of the canonical wedge problem.

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Antennas and Propagation, IEEE Transactions on  (Volume:32 ,  Issue: 3 )