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A digital filter is describe by the following difference equation:
written 6.0 years ago by | • modified 5.0 years ago |
$y(n)=0.9y(n-1)+bx(n)$ i) Determine b such that |H(0) |=1 ii) Determine the frequency at which |H(ω) |=$\frac{1}{√2}$
iii) Identify the filter type based on passband.
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