Wiley signals and systems e book TLFe BO 534

Appendix A Solutioiis lo 519 the Exercises This Fouricr series correspoiicls to the first step of a ) 7l d) A discrrtc lowpass with cut-off freyueiiry - callpd 2' R half-haiid low-pass Solution 12.5 H2 is a Iiigh-pa,ss filter Solution 12.6 a) It is cvidenl' h l ? l spectrum X(gw) that X ( J W ' )= for 7r a t the nycluist rate, T = - miist be choseri WLl > u7.To sample l ~ j l