Question

250e

jkr

r

2. The far-field electric field of an antenna is given as: E =

a.

Find the normalized radiation pattern of this antenna, U.

b. Find the radiated power, Prad.

C. Plot U in the orthogonal planes of the y-z plane and the x-y plane. What are the HPBWs in these

two planes?

d. Find the directivity, Do. Assuming an overall efficiency of 90%, find Go.

s(2)sin(ø).

COS

Fig: 1