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In this course we will explain the basic concepts of telecommunications.
Beginning from the Signal Theory, we will explain the transmission techniques on several channels: electrical cables, radio channel, optical fibers. |
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Calculus 1 and linear algebra |
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Introduction to the theory of signals: deterministic Signals, Fourier transform, spectral analysis, definition of a signal band of, the transfer function and definition of bandwidth of a system, filters. Sampling theorem. Random signals, statistical characterization and hints on the power spectrum.
Analog & Digital transmissions: Analog Sources, analog modulations (AM, FM). Digital transmissions: Sources numbers, quantization, PCM conversion and A / D and D / A. Digital modulations (ASK, PSK, FSK, QAM). |
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On Line Slides ; Cusani, Teoria dei Segnali; Bucciarelli-Neri, Esercizi d’ Esame |
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Exam will include three main points: one exercise and two Open questions
Exercises will concern above all:
-Convolution and Correlation exercises between known signal forms.
-Fourier Transform method
-TLC systems and filters
To improve Exam simulation, it is suggested to try to break Convolution and Correlation exercises in three steps, aimed to:
-to graph or describe signal in analytic
-to perform the calc, trying the calculation way or the visual way (generally faster).
-to graph results
Exam will concern theory test. It is suggested to focus on Digital Transmission and analog modulations |
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