Обработка сигналов
Радиоэлектроника
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Girod B., Rabenstein R., Stenger A. Signals And Systems
Издательство John Wiley, 2001, -592 pp.

Analyzing and designing systems with the help of suitable mathematical tools is extraordinarily important for engineers. Accordingly, systems theory is a part of the core curriculum of mode electrical engineering and serves the foundation of a large number of subdisciplines. Indeed, access to special engineering demands a mastery of systems theory.
An introduction to systems theory logically begins with the simplest abstraction: linear, time-invariant systems. We find applications of such systems everywhere, and their theory has attained advanced maturity md elegance. For students who are confronted with the theory of linear, time-invariant systems for the first time, the subject unfortunately can prove difficult, and, il the required and deserved academic progress does not materialise, the subject might be downright unpopular. This could be due to the abstract nature of the subject coupled with the deductive arid unclear presentation in some lectures. However, since failure to lea the fundamentals of systems theory would have catastrophic repercussions for many subsequent subjects, the student must persevere.

Introduction.
Time-Domain Models of Continuous LTI-Systems.
Modelling LTI-Systems in the Frequency-Domain.
Laplace Transform.
Complex Analysis and the Inverse Laplace Transform.
Analysis of Continuous-Time LTI-Systems with the Laplace Transform.
Solving Initial Condition Problems with the Laplace Transform.
Convolution and Impulse Response.
The Fourier Transform.
Bode Plots.
Sampling and Periodic Signals.
The Spectrum of Discrete Signals.
The z-Transform.
Discrete-Time LTI-Systems.
Causality and the Hilbert Transform.
Stability and Feedback Systems.
Describing Random Signals.
Random Signals and LTI-Systems.
Appendix A Solutions to the Exercises.
Appendix B Tables of Transformations.
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