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Tapering is done in order to reduce the side lobe level.

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Tapering is done in order to reduce the side lobe level.

(a) True

(b) False

This question was addressed to me in an online quiz.

This intriguing question originated from Radiation from Rectangular Aperture topic in division Aperture Antenna of Antennas

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The correct answer is (a) True

To explain I would say: The uniform aperture produces the high SLL under a constant phase amplitude excitation. To reduce this SLL effect, tapering is done. Tapering is done maximum at center and reduces to zero at the edges for an equivalent source distribution.

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