A method of extracting 2nd order poles from simple poles is introduced here. E-pulse technique has been extended and some formulas are derived. Examples are presented to demonstrate its effectiveness.
The virtual-ray method for treating HF electromagnetic scattering problems is derived from the plane wave of free space, and using this the plane wave scattering by an impedance wedge is studied. In the solution process a novel concept of generalized circle is introduced so that the complete amplitude function is obtained. And a reasonable physical interpretation for the term tu2, which was neglected previously, is given. The calculated results agree well with those of the analytical solution obtained by G.D. Maiiuzhinets(1958).
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