Wiley signals and systems e book TLFe BO 534

Solutioiis l o the Exercises 519 This Fouricr series correspoiicls to the first step of a.

Appendix A Solutioiis l o the Exercises 519

This Fouricr series correspoiicls to the first step of a )

7 l

d) A discrrtc lowpass with cut-off freyueiiry - callpd R half-haiid low-pass

2 '

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 ' ) = 0 for l ~ j l > u7 To sample

7r

a t the nycluist rate, T = - miist be choseri

WLl