Translations:Appendix L: Design of Hilbert transforms/24/en

${\begin{aligned}{\rm {y}}\left(\omega \right)=X\left(\omega \right)e^{-i\pi {/2}}=-iX\left(\omega \right)\mathrm {\;\;for\;\;} 0\leq \omega {<}\pi .\end{aligned}}$

(L8)