Question

Given the constraints:

1) frequency response: H(ejw) = 0 at w = 0 and w = \pi .

2) 1 H(eju)|dw = 2 27 J-

What are the impulse response coefficients h[0],h[1],h[2] that is length 3 causal and finite impulse response filter . Sketch phase and magnitude of frequency response.

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Answer #1

Given constraints are Hreja) -0 at w=0 Heva) =0 at w=Tī: We Know Hireis)È hense viery H(o) = { hem As length = 3. nardo ( H)Also given that it is FIR filter For FIR (near filter by symmetric I hco) = h (2). Then from 0 hostheistho)=0 2560) - chci SuH( - ). - 1 ) ( ( ( ) .. hollte et housin hole iw olet wy have the z hrozilo (2. coses) +hwe vas + zvien Cahco) cow their Hicaltor -

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