What is the function of the hemispherical shield of the parabolic reflector?

What is the function of the hemispherical shield of the parabolic reflector?

A. To polarize all reflected waves in the vertical plane
B. To polarize all reflected waves in the horizontal plane
C. To convert the spherical waves radiated by the dipole into vertical lines of rf energy
D. To reflect rf energy radiated forward of the dipole back to the parabolic reflector

Show Answer

Answer: D

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