written 18 months ago by | • modified 18 months ago |
For the constraints $0.8 \leq\left|\mathrm{H}\left(\mathrm{e}^{\mathrm{jw}}\right)\right| \leq 1 \quad, 0 \leq \mathrm{w} \leq 0.2 \pi$
$ \left|\mathrm{H}\left(\mathrm{e}^{\mathrm{jw}}\right)\right| \leq 0.2 \quad, 0.6 \pi \leq \mathrm{w} \leq \pi\\ $
With $\mathrm{T}=1$ sec.Determine system function $\mathrm{H}(\mathrm{z})$ for a Butterworth filter using the impulse invariant method.