DTFT Properties Example-Determine the dTFT Y(e/o)of yn]=(n+1)o"um]2a<1 et x[n]=a"'un]a<1 We can therefore write yn]=nx[n +xn From Table 3. 1, the dtFt of xn] is given X(e/0) c已 Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 1 DTFT Properties • Example - Determine the DTFT of • Let • We can therefore write • From Table 3.1, the DTFT of x[n] is given by y[n] = (n +1) [n],  1 n x[n] =  [n],  1 n y[n] = n x[n]+ x[n] −   −  = j j e X e 1 1 ( ) ( ) j Y e