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After a target has been acquired, the best scanning system for tracking is _________

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After a target has been acquired, the best scanning system for tracking is _________

(a) circular

(b) spiral

(c) conical

(d) helical

This question was posed to me during an interview for a job.

The query is from Noise for AM Wave in portion Noise of Analog Communications

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Best answer
Correct answer is (c) conical

Best explanation: Conical is the best scanning system for tracking. But it is only preferred for tracking after a target has been acquired.

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