A uniform plane wave with Ei(z) = axEi0e-jβ0Z in air propagates normally through a thin co...

A uniform plane wave with Ei(z) = axEi0e-jβ0Z in air propagates normally through a thin copper sheet of thickness d, as shown in below Fig. Neglecting multiple reflections within the copper sheets, find

a) E2+, H2+

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b) E2-, H2-

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c) E30, H30

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d) (Pav)3 / (Pav)i

Calculate (Pav)3 / (Pav)i for a thickness d that equals one skin depth at 10 (MHz). (Note that this pertains to the shielding effectiveness of the thin copper sheet.)