Hw13

HW #13 - Derive the following realtions:

• • a) $DFT(x(k-l))$
  • b) $DFT(e^{j2\pi lk/N}x(k)$
  • c) $\sum _{k=0}^{N-1}x(k)y(k{)}^{*}=c\sum _{k=0}^{N-1}X(n)Y(n{)}^{*}$