Question 8.13: Find a criterion for the argument that a receiving antenna a...
Find a criterion for the argument that a receiving antenna actually is in the far field of a transmitting antenna. Estimate the distance d of the far zone if D = 10 cm and λ = 3 cm. Assume that they have antenna gains G_{A }= 1.5 and G_{B} = 1.64, respectively, and find the ratio P_{r} / P_{t}, at that distance.
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