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It is convenient to normalize W(ω) to unity in the stop band and set W(ω)=δ2/ δ1 in the pass band.

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It is convenient to normalize W(ω) to unity in the stop band and set W(ω)=δ2/ δ1 in the pass band.

(a) True

(b) False

I got this question in an international level competition.

The doubt is from Design of Optimum Equi Ripple Linear Phase FIR Filters topic in portion Digital Filters Design of Digital Signal Processing

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The correct option is (a) True

The best I can explain: The weighting function on the approximation error allows to choose the relative size of the errors in the different frequency bands. In particular, it is convenient to normalize W(ω) to unity in the stop band and set W(ω)=δ2/δ1 in the pass band.

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