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What is the equation for normalized frequency?

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in Digital Signal Processing by (829k points)
What is the equation for normalized frequency?

(a) F/Fs

(b) F.Fs

(c) Fs/F

(d) None of the mentioned

I had been asked this question during an online interview.

Question is taken from IIR Filter Design by Impulse Invariance in portion Digital Filters Design of Digital Signal Processing

1 Answer

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Best answer
The correct option is (a) F/Fs

Explanation: In the impulse invariance method, the normalized frequency f is given by

f= F/Fs.

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