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___ is used to guide the beam in desired direction and place nulls in unwanted direction/interference.

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___ is used to guide the beam in desired direction and place nulls in unwanted direction/interference.

(a) Adaptive array

(b) Switching beams

(c) Phased radar

(d) Pulse radar

This question was posed to me in semester exam.

My question comes from Adaptive Array topic in section Phased, Adaptive and Binomial Arrays of Antennas

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Best answer
Correct option is (a) Adaptive array

Best explanation: The adaptive arrays are extensively used to detect the noise interference in the desired signal and suppress them. The advanced digital signal processing in the adaptive arrays helps to reduce the interference compared to switch beams. Pulse radars are used to know the distance of target. Phased array radars steer the beam in desired direction.

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