Discrete-Time Fourier Transform The process of removing the discontinuities is called unwrapping The continuous phase function generated by unwrapping is denoted as ec(o) In some cases, discontinuities of Tt may be present after unwrapping 8 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