1. Signals and their properties.
2. Continuous and discrete time signals.
3. Systems and their properties. LTI systems. Convolution.
4. Fourier series in continuous and discrete time.
5. Fourier transform in continuous and discrete time. Fast Fourier transform.
6. Generalization of the Fourier transform:
6.1 Laplace transform of continuous-time signals and its properties.
6.2 Z transform of discrete time signals and its properties.