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Lecture "Signals and Systems I"

 

Special Lecture Version due to Corona

Due to COVID 19 the lecture as well as the exercise will be presented differently comparted to the years before.

  • The lecture will be presented as YouTube videos that you find below. Currently, just a few lectures are uploaded, but during the term more and more lectures will be posted there. Please watch these lectures according to the time schedule given below.

  • During the "official" lecture time (Thursdays, 10:00 h) we offer a chat (not yet clear which tool we will utilized, maybe "Zoom" or "BigBlueButton") where you can ask questions to the lecture. We will announce details about the chat on this website - however all access details will be distributed via e-mail. For this reason, please register to the lecture via the OLAT system. The chat will start on Thursday, 16.04.2020, 10:00 h.

  • The excercise will be given also online. It's not yet clear how (streaming or downloadable video). Details will be posted soon here. However, the first exercise will be on Monday, 20.04.2020, 14:30 h.

 

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

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

 

 

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 excercise 9.   04.05.2020 - 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