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20 May, 12:21

Given an infinitesimal dipole antenna with current as I (z') = (1/3) I0⃑a⃑⃑⃑z.

a. (1pts) Find it's magnetic potential A;

b. (2pts) List the corresponding E ⃑ and H⃑⃑ fields expressions.

c. (3pts) For intermediate field (kr>1), prove that only partial of the power flows in the outward direction (radiation).

d. (2pts) If the antenna operates at 1 GHz, determine the Directivity and the Effective Aperture Aem.

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Answers (1)
  1. 20 May, 12:24
    0
    Answer is C
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