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Which of the following block is not required in digital processing of a RADAR signal?

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Which of the following block is not required in digital processing of a RADAR signal?

(a) A/D converter

(b) D/A converter

(c) DSP

(d) All of the mentioned

This question was posed to me by my school teacher while I was bunking the class.

My doubt stems from Signals, Systems and Signal Processing topic in portion DSP – Basic Signaling of Digital Signal Processing

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Correct answer is (b) D/A converter

For explanation: In the digital processing of the radar signal, the information extracted from the radar signal, such as the position of the aircraft and its speed, may simply be printed on a paper. So, there is no need of an D/A converter in this case.

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