| Contents |
Discrete-time and digital signals. Discrete-time systems. Analysis of linear time invariant (LTI) discrete-time systems. Discrete-time convolution and correlation. Z-transform. Discrete-time Fourier series (DTFS). Discrete-time Fourier transform (DTFT). Frequency response of discrete-time systems. Digital filters. Digital processing of continuous-time signals. Discrete Fourier Transform (DFT) Circular convolution. Computation of LTI systems response using DFT. Block convolution. Fast Fourier Transform (FFT). Short-time Fourier Transform (STFT). |