Question: An eight-element linear array with 2 spacing is excited with equal amplitudes. To steer the main beam to a direction 60o below the broadside direction,

An eight-element linear array with 2 spacing is excited with equal amplitudes. To steer the main beam to a direction 60o below the broadside direction, what should be the incremental phase delay between adjacent elements? Also, give the expression for the array factor and plot the pattern.

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