Discrete-Time Fourier Transform The process of removing the discontinuities 2 is calle ed unwrapping The continuous phase function generated by unwrapping is denoted as 0c(o) ° In some cases, discontinuities ofπ may be present alter unwrapping Copyright C 2001, S K. MitraCopyright © 2001, S. K. Mitra 8 Discrete-Time Fourier Transform • The process of removing the discontinuities is called “unwrapping” • The continuous phase function generated by unwrapping is denoted as • In some cases, discontinuities of  may be present after unwrapping  (w) c