Student ID and Names:

$27\mathrm{.}12\mathrm{.}2023$

Duration: $40$ minutes

Collaborative Problem Solving $($CPS$)-5$

Consider the following system

a$)$ Take $L=2,$ draw $x_e(e^j)$ for the input $x[n]=cos(0\mathrm{.}25n)$

b$)$ Take $L=4$ and $M=3,$ and determine the output, tilde$(x{)}_d[n]$ for the input $x[n]=2sinc\frac{2\frac{n}{3}}{3}.$