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Which of the following method is used for antenna design with no side lobes?

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Which of the following method is used for antenna design with no side lobes?

(a) Binomial array

(b) Dolph Chebyshev

(c) Schelkunoff

(d) Woodward

The question was posed to me in a job interview.

I'd like to ask this question from Adaptive Array topic in division Phased, Adaptive and Binomial Arrays of Antennas

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Best answer
Right option is (a) Binomial array

The explanation: Dolph Chebyshev is a special case (at no side lobes) of Binomial array. Dolph Chebyshev is used to design array at desired side lobes. In Schelkunoff method, pattern is produced with null in specified directions. Woodward method is suited for beam shaping.

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