CODE 65959 ACADEMIC YEAR 2021/2022 CREDITS 9 cfu anno 2 INGEGNERIA INFORMATICA 8719 (L-8) - GENOVA SCIENTIFIC DISCIPLINARY SECTOR ING-INF/03 LANGUAGE Italian TEACHING LOCATION GENOVA SEMESTER Annual TEACHING MATERIALS AULAWEB OVERVIEW The aim of this class is to provide basic principles of spectral analysis of continuous-time signals and of their transformation through linear and nonlinear systems, of the probability theory, random variables, random processes, and of signal transmission through noisy channels. Such topics are fundamental in relation to methods and applications that make use of signals, for both processing and analysis. Finally, background knowledge about learning and application of statistical methods is given. AIMS AND CONTENT LEARNING OUTCOMES Basic principles of signals and linear systems. Spectral analysis of continuous signals; discrete signals; sampling and analogic to digital conversion. Random phenomena theory: probability, random variables, random processes. PAM, PCM, and analog modulations. Transmission techniques on noisy channels. AIMS AND LEARNING OUTCOMES In the first semester, the course aims to provide students with the basics of the theory of continuous-time signals and systems with special focus on Fourier transforms, frequency-domain analysis, and linear time invariant (LTI) systems. Sampling is introduced both ideally and in its real versions, along with quantization and analog-to-digital conversion through the pulse code modulation (PCM) technique. Digital transmission is dealt with through wideband pulse amplitude modulation (PAM). Time-division and frequency-division multiplexing are discussed. The theory of random phenomena is presented in the second semester, which is composed of the three parts of probability, random variables and random processes. The problem of the band-pass transmission on noisy channels is therefore addressed, describing linear modulations, AM, DSB and SSB, and angular modulations, FM and PM. At the end of the course the student will: - have learned the theoretical bases of continuous-time signal processing; - have learned and know how to use the continuous-time Fourier transform; - know how to transform periodic and aperiodic signals based on their graphical representations across the time and frequency domains; - know under which conditions sampling allows for signal reconstruction; - have learned and be able to use the LTI system description to address signal processing problems; - know and be able to use the theory of wideband PAM; - know and be able to use the theory of random phenomena; - have learned and know how to use the theory of analog band-pass transmissions. SYLLABUS/CONTENT Signals and systems: Fourier series and transform, power spectral density and energy spectral density, LTI systems, filters Sampling, quantization, and pulse code modulation (PCM) Wideband pulse amplitude modulation (PAM) Time division multiplexing (TDM) and frequency division multiplexing (FDM) Probability theory Random variables Stochastic processes Noise and analog modulations PAM on noisy channels RECOMMENDED READING/BIBLIOGRAPHY Slides and lecture notes written by the teachers are made available to the students through AulaWeb. A. B. Carlson, P. Crilly, Communication systems, McGraw-Hill, 2009 (5th edition). Further reading: M. Vetterli, J. Kovacevic, V. K. Goyal, Foundations of signal processing, Cambridge University Press, 2014. L. Calandrino, M. Chiani, Lezioni di comunicazioni elettriche, Pitagora, 2013. G. Gelli, F. Verde, Segnali e sistemi, Liguori, 2014. L. Lo Presti, F. Neri, L’analisi dei segnali, CLUT, 1992. E. M. Stein, R. Shakarchi, Fourier analysis: an introduction, Princeton University Press, 2003. G. B. Folland, Fourier analysis and its applications, AMS, 1992. L. Grafakos, Classical Fourier analysis, Springer, 2008. TEACHERS AND EXAM BOARD ALDO GRATTAROLA GABRIELE MOSER Ricevimento: By appointment Exam Board ALDO GRATTAROLA (President) SILVANA DELLEPIANE LUCA MAGGIOLO SEBASTIANO SERPICO ANDREA TRUCCO SANDRO ZAPPATORE GABRIELE MOSER (President Substitute) LESSONS LESSONS START https://corsi.unige.it/8719/p/studenti-orario Class schedule ELECTRICAL COMMUNICATIONS EXAMS Exam schedule Data appello Orario Luogo Degree type Note 13/01/2022 09:00 GENOVA Compitino 10/02/2022 09:00 GENOVA Compitino 13/06/2022 09:00 GENOVA Orale 22/06/2022 15:00 GENOVA Scritto 29/06/2022 09:00 GENOVA Orale 07/07/2022 15:00 GENOVA Scritto 15/07/2022 09:00 GENOVA Orale 09/09/2022 15:00 GENOVA Scritto 16/09/2022 09:00 GENOVA Orale