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Title Details:
Signals and Systems
Authors: Liavas, Athanasios
Karystinos, George
Subject: ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > TELECOMMUNICATIONS ENGINEERING AND TECHNOLOGY > SIGNALS AND SYSTEMS
ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > TELECOMMUNICATIONS ENGINEERING AND TECHNOLOGY > SIGNAL PROCESSING
Keywords:
Signal
System
Frequency
Convolution
Linear difference equations
Fourier series
Power spectral density
Fourier transform
Energy spectral density
Nyquist sampling
AM modulation
FM modulation
Frequency domain multiplexing
Laplace transform
Discrete Fourier transform
Circular convolution
z transform
Description:
Abstract:
This textbook includes a comprehensive and self-contained presentation of continuous- and discrete-time signals and systems and their transformations. It begins with discrete-time signals and systems, considering that understanding the initial concepts is easier in discrete time (sequences) instead of continuous time (functions). Then, it presents the same concepts in continuous time, followed by the concept of frequency. At this point, we believe that it is easier to understand the subsequent concepts in continuous time, that is why in the chapters where we study the signals in the frequency domain, the concepts are presented first in continuous time and then in discrete. After analyzing the concept of frequency, the book devotes a chapter to Fourier series of (first continuous-time, then discrete-time) periodic signals. Then, the Fourier transform of aperiodic signals and the Nyquist sampling theorem are presented. The latter unifies, in a way, continuous time with discrete time. Also, to unify the concepts of continuous- and discrete-time Fourier series and Fourier transform, we analyze the duality between discrete signals in the time (or frequency) domain and periodic signals in the frequency (or time) domain, respectively. We believe that this is important for a deep understanding of the concepts. A separate chapter is devoted to analog modulation, targeting in the application of important properties of the Fourier transform to telecommunications. The Laplace, discrete Fourier, and z transforms follow. The book comprehensively addresses the range of signal transforms, starting from simple ones (Fourier series) and developing them to end up with complex ones (Laplace traAnsform and z transform).
Linguistic Editors: Koulopoulos, Nikolaos
Technical Editors: Karystinos, George
Graphic Editors: Karystinos, George
Other contributors: Cover: Eleni Margaritouli
Type: Undergraduate textbook
Creation Date: 21-11-2024
Item Details:
ISBN 978-618-228-298-4
License: Attribution - NonCommercial - ShareAlike 4.0 International (CC BY-NC-SA 4.0)
DOI http://dx.doi.org/10.57713/kallipos-1051
Handle http://hdl.handle.net/11419/14196
Bibliographic Reference: Liavas, A., & Karystinos, G. (2024). Signals and Systems [Undergraduate textbook]. Kallipos, Open Academic Editions. https://dx.doi.org/10.57713/kallipos-1051
Language: Greek
Consists of:
1. Discrete-Time Signals and Systems
2. Continuous-Time Signals and Systems
3. The Concept of Frequency
4. Fourier Series
5. Continuous-Time Fourier Transform
6. Modulation
7. Discrete-Time Fourier Transform
8. Laplace Transform
9. Discrete Fourier Transform
10. z Transform
Number of pages 263
Publication Origin: Kallipos, Open Academic Editions
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