Translations:Magnitude spectrum and phase spectrum/20/en

${\begin{aligned}{\frac {\rm {Output}}{\rm {Input}}}={\frac {{0.5}e^{i\left(\omega n\Delta t+\pi \right)}}{e^{l\omega n\Delta {\rm {t}}}}}=0.5e^{i\pi }.\end{aligned}}$

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