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The radiating pattern of single element multiplied by the array factor simply gives the ___________

(a) Pattern multiplication

(b) Normalized array factor

(c) Beamwidth of the array

(d) Field strength of the array

The question was asked in a national level competition.

The doubt is from N-element Linear Array in chapter Antenna Array of Antennas

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The correct answer is (a) Pattern multiplication

For explanation I would say: The radiation pattern of the single array antenna is multiplied by the antenna factor then it is called pattern multiplication. Array factor is the function of antenna positions in the array and its weights. Total array field is the field generated by the sum of the individual elements in array.

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