Introduction to Signals and Systems
                             Lathi Chapt. 1
         Gloria Menegaz                                     1
                                 Didactic material
         •  Textbook
             – Signal Processing and Linear Systems, B.P. Lathi, CRC Press
         •  Other books
             – Signals and Systems, Richard Baraniuk’s lecture notes, available on line
             – Digital Signal Processing (4th Edition) (Hardcover), John G. Proakis, Dimitris K 
                Manolakis 
             – Teoria dei segnali analogici, M. Luise, G.M. Vitetta, A.A. D’Amico, McGraw-Hill
             – Signal processing and linear systems, Schaun's outline of digital signal 
                processing
         •  All textbooks are available at the library
         •  Handwritten notes will be available on demand
           Gloria Menegaz                                                     2
                                            Signals&Systems
                                    Input signal                           Output signal
                                                          System
            amplitude                              Linear time invariant           |amplitude|
                                                      systems (LTIS)
                                           time
                                                                                                   frequency
                                                    LTIS perform any kind 
                                                     of processing on the 
                                                    input data to generate 
                                                         output data
               Gloria Menegaz                                                                             3
                                                   Contents
                               Signals                                          Systems
             •   Signal classification and                    •   Linear Time-Invariant Systems
                 representation                                    – Time and frequency domain analysis
                  – Types of signals                               – Impulse response
                  – Sampling theory                                – Stability criteria
                  – Quantization                              •   Digital filters
             •   Signal analysis                                   – Finite Impulse Response (FIR)
                  – Fourier Transform                         •   Mathematical tools
                       §  Continuous time, Fourier series,         – Laplace Transform
                          Discrete Time Fourier Transforms, 
                          Windowed FT                                    § Basics
                  – Spectral Analysis                              – Z-Transform
                                                                         § Basics
                                 Applications in the domain of Bioinformatics
               Gloria Menegaz                                                                             4