DTFT Properties Example- Determine the DTFT y(e/)of yr]=(m+1)pm],a<1 Let x[n]=a"u[n],a<1 We can therefore write n=nxn+xn From Table 3. 1, the dtFt of x[n] is given Y(e0) 1-ae y 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