Translations:Minimum-phase spectrum/18/es

${\begin{aligned}{\varphi }_{G}\left(f\right)={\rm {tan}}^{-{l}}\left[{\frac {{\rm {\ sin\ 2}}\pi f\Delta t}{{\rm {0.5+\ cos\ 2}}\pi f\Delta t}}\right].\end{aligned}}$

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