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Challenge22_Equi_FIR - δ a =10-2 What should be the...

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Digital Signal Processing Dr. Fred J. Taylor, Professor Lesson Title: FIR Filter Challenge Challenge: [22] Challenge A 31 st order Type I lowpass equiripple FIR is designed using uniform passband and stopband error weights. The measured passband and stopband errors are δ p = δ a =4*10 -2 . The error weight is increased on the stopband taking the maximum error to a value of
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Unformatted text preview: δ a =10-2 . What should be the corresponding maximum passband error? Response With uniform error weights; 2 10 4-× = = a p δ With δ a =10-2 p p a p 1 2 2 10 10 10 4---= = = × = or ( 29 16 . 10 4 2 1 = × =-p or a increase by an increase of 4x. FIR-Equiripple - 1...
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