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In Chebyshev array, its array factor is approximated to Chebyshev polynomial.

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In Chebyshev array, its array factor is approximated to Chebyshev polynomial.

(a) True

(b) False

The question was posed to me in an interview for job.

This intriguing question comes from Adaptive Array topic in portion Phased, Adaptive and Binomial Arrays of Antennas

1 Answer

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Right option is (a) True

Easy explanation: One of the properties exhibited by the Chebyshev array is having a constant amplitude range of 1-≤x≤1. Its array factor is approximated to Chebyshev polynomial. This array has constant side lobes and elements are placed uniformly.

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