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The maximum of the first minor lobe of array factor occurs at 13.46 dB down the maximum major lobe.

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The maximum of the first minor lobe of array factor occurs at 13.46 dB down the maximum major lobe.

(a) True

(b) False

The question was posed to me during an online exam.

I want to ask this question from N-element Linear Array topic in portion Antenna Array of Antennas

1 Answer

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Best answer
Right option is (a) True

The best explanation: The maximum of 1st minor lobe occurs at \(\frac{Nᴪ}{2}=±3π/2\)

⇨ \(AF = \frac{sin(\frac{Nᴪ}{2})}{\frac{Nᴪ}{2}}=0.212= -13.46dB.\)

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