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Lecture "Signals and Systems I"

 

Basic Information

 
 
Lecture overview  
  Lecturers:   Gerhard Schmidt (lecture), Patricia Piepjohn and  Marco Gimm (exercise)  
  Room:   C-SR-I  
  Language:   German  
  Target group:   Students in electrical engineering and computer engineering  
  Prerequisites:   Mathematics for engineers I, II, III, Foundations in electrical engineering I, II  
  Contents:  

This course teaches basics in systems theory for electrical engineering and information technology. This basic course is restricted to continuous and deterministic signals and systems.

Topic overview:

  • Basic classes of signals and systems
    • Introduction and notation
    • Signals
    • Systems
  • Signals
    • Elementary signals
    • Reaction of linear systems on elementary signals
    • Signal decomposition into elementary signals
  • Spectral representations of deterministic signals
    • Fourier series, Discrete Fourier Transform (DFT)
    • Fourier transform
    • Laplace and z transform
  • Linear systems
    • Reaction on elementary signals
    • Reaction on arbitrary signals
    • Quantities for describing linear systems and their relations
    • Stability of linear systems
    • Rational transfer-functions
  • Modulation
    • Basics
    • Sampling theorem
 
  References:   H.W. Schüßler: Netzwerke, Signale und Systeme II: Theorie kontinuierlicher und diskreter Signale und Systeme, Springer, 1991
H.D. Lüke: Signalübertragung, Springer, 1995
 

 

News

04.06.2020 - We have to switch the exercise and the lecture talk time in one week. Thus, on Monday, 22.06.2020 we will discuss questions concerning the lecture. The exercise of will take place on Thursday, 25.06.2020.

10.04.2020 - First video lecture on signals (part 1 of 3) in now complete and online via YouTube (also embedded below).

07.04.2020 - Indroduction (3 videos) in now complete and online via YouTube (also embedded below).

01.04.2020 - First lecture (30 minutes, introduction) is online via YouTube and embedded below.

 

Lecture Slides

 
 
Link   Content  
    Slides of the lecture "Introduction"
(details of the lecture, notation, signals, systems)
 
    Slides of the lecture "Signals"
(basic signals, reaction on basic signals, signal decomposition)
 
    Slides of the lecture "Spectral Representations - Part 1"
(Fourier series, Discrete Fourier Transform)
 
    Slides of the lecture "Spectral Representations - Part 2"
(Fourier Transform)
 
    Slides of the lecture "Spectral Representations - Part 3"
(Laplace and z-transform)
 
    Slides of the lecture "Linear Systems"
(Basics and relations between different system descriptions)
 
    Slides of the lecture "Modulation"
(Basics and linear modulation schemes)
 

 

Lecture Videos

 
 
Video   Content   Please watch until  
   

Introduction - part 1 of 3

 

16.04.2020 - 10:00 h

 
   

Introduction - part 2 of 3

 

16.04.2020 - 10:00 h

 
   

Introduction - part 3 of 3

 

16.04.2020 - 10:00 h

 
   

Signals - part 1 of 3

 

23.04.2020 - 10:00 h

 
   

Signals - part 2 of 3

 

23.04.2020 - 10:00 h

 
   

Signals - part 3 of 3

 

30.04.2020 - 10:00 h

 
   

Spectra, Fouier series and DFT - part 1 of 3

 

30.04.2020 - 10:00 h

 
   

Spectra, Fouier series and DFT - part 2 of 3

 

30.04.2020 - 10:00 h

 
   

Spectra, Fouier series and DFT - part 3 of 3

 

07.05.2020 - 10:00 h

 
   

Spectra, Fouier transformations - part 1 of 3

 

14.05.2020 - 10:00 h

 
   

Spectra, Fouier transformations - part 2 of 3

 

14.05.2020 - 10:00 h

 
   

Spectra, Fouier transformations - part 3 of 3

 

28.05.2020 - 10:00 h

 
   

Spectra, z and Laplace transform - part 1 of 3

 

28.05.2020 - 10:00 h

 
   

Spectra, z and Laplace transform - part 2 of 3

 

04.06.2020 - 10:00 h

 
   

Spectra, z and Laplace transform - part 3 of 3

 

11.06.2020 - 10:00 h

 

 

Exercises

 
 
Link   Content   Please try until  
    Please prepare excercises 1 and 2.   20.04.2020 - 14:30 h  
      Please prepare excercises 5, 6, and 7.   27.04.2020 - 14:30 h  
      Please prepare excercises 9 and 11.   04.05.2020 - 14:30 h  
      Please prepare excercise 12   11.05.2020 - 14:30 h  
      Please prepare excercises 14 and 15   18.05.2020 - 14:30 h  
      Please prepare excercises 16 and 18   25.05.2020 - 14:30 h  
      Please prepare excercises 19 and 21   08.06.2020 - 14:30 h  
      Please prepare excercises 23 and 25   15.06.2020 - 14:30 h  
      Please prepare excercises 27 and 28   25.06.2020 - 10:00 h  
      Please prepare excercises 30 and 31   29.06.2020 - 14:30 h  

 

Solutions for the Exercises

 
 
Link   Content  
    Solutions to all exercies.  

 

Exercise Videos

 
 
Video   Content   Please watch until  
   

Exercise organisation

 

20.04.2020 - 14:30 h

 
   

Exercise 1

 

20.04.2020 - 14:30 h

 
   

Exercise 2

 

20.04.2020 - 14:30 h

 
   

Exercise 5

 

27.04.2020 - 14:30 h

 
   

Exercise 6

 

27.04.2020 - 14:30 h

 
   

Exercise 7

 

27.04.2020 - 14:30 h

 
   

Exercise 9

 

04.05.2020 - 14:30 h

 
   

Exercise 11

 

04.05.2020 - 14:30 h

 
   

Exercise 12

 

11.05.2020 - 14:30 h

 
   

Exercise 14

 

18.05.2020 - 14:30 h

 
   

Exercise 15

 

18.05.2020 - 14:30 h

 
   

Exercise 16

 

25.05.2020 - 14:30 h

 
   

Exercise 18

 

25.05.2020 - 14:30 h

 
   

Exercise 19

 

08.06.2020 - 14:30 h

 
   

Exercise 21

 

08.06.2020 - 14:30 h

 

 

Evaluation

 
 
Link   Content   Link   Content  
    Current evaluation     Completed evaluations  

 

Formulary

A formulary can be found below:

 
 
Link   Content  
    Formulary  

 

Previous Exams

 
 
Link   Content   Link   Content  
    Exam of the summer term 2019     Corresponding solution  
    Exam of the winter term 2018/2019     Corresponding solution  
    Exam of the summer term 2018     Corresponding solution  
    Exam of the winter term 2017/2018     Corresponding solution  
    Exam of the summer term 2017     Corresponding solution