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Prateek Asked :

02-10-2021 Antennas

Q. Which of the following is the key feature of the Chebyshev array?

A. Have constant side lobes and elements are placed uniformly
B. Have varying side lobes and elements are placed uniformly
C. Minor lobes are present at |x| > 1
D. Major lobes are present at |x| < 1


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Dapzoi Verified
Commented on 2021-10-02 11:40:23 (IST)
Answer: A

Explanation: Chebyshev array exhibits the properties of the Chebyshev polynomial having constant amplitude 1-≤x≤1. Minor lobes are present at |x| < 1 andMajor lobes are present at |x| > 1.