A monopole antenna extends vertically over a perfectly conducting plane, and has a linear current distribution. If
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A monopole antenna extends vertically over a perfectly conducting plane, and has a linear current distribution. If the length of the antenna is 0.01λ, what value of I0 is required to
(a) Provide a radiation-field amplitude of 100 mV/m at a distance of 1 mi, at θ = 90◦;
(b) Radiate a total power of 1 W? Assume free space above the plane.
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a The image antenna below the plane provides a radiation pattern that is ident...View the full answer
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