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Matched filter

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Matched filter

(a) Is a non linear filter

(b) Produces maximum output SNR

(c) All of the mentioned

(d) None of the mentioned

The question was posed to me in unit test.

I would like to ask this question from Modulation and Entropy topic in portion Modulation and Coding Trade-off of Digital Communications

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Right choice is (b) Produces maximum output SNR

The best I can explain: Matched filter is a linear filter which produces maximum output SNR for a given transmitted signal.

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