Title:

Signals and Systems

Code:ISS
Ac.Year:2018/2019
Sem:Winter
Curriculums:
ProgrammeFieldYearDuty
IT-BC-3BIT2ndCompulsory
Language of Instruction:Czech
Public info:http://www.fit.vutbr.cz/study/courses/ISS/public/
Credits:6
Completion:examination (written)
Type of
instruction:
Hour/semLecturesSeminar
Exercises
Laboratory
Exercises
Computer
Exercises
Other
Hours:39120014
 ExamsTestsExercisesLaboratoriesOther
Points:512501212
Guarantor:Černocký Jan, doc. Dr. Ing. (DCGM)
Deputy guarantor:Burget Lukáš, doc. Ing., Ph.D. (DCGM)
Lecturer:Černocký Jan, doc. Dr. Ing. (DCGM)
Instructor:Beneš Karel, Ing. (DCGM)
Grézl František, Ing., Ph.D. (DCGM)
Kodym Oldřich, Ing. (DCGM)
Landini Federico Nicolás (DCGM)
Mošner Ladislav, Ing. (DCGM)
Silnova Anna (DCGM)
Skácel Miroslav, Ing. (DCGM)
Žmolíková Kateřina, Ing. (DCGM)
Faculty:Faculty of Information Technology BUT
Department:Department of Computer Graphics and Multimedia FIT BUT
Prerequisites: 
Discrete Mathematics (IDA), DMAT
Mathematical Analysis (IMA), DMAT
Schedule:
DayLessonWeekRoomStartEndLect.Gr.Groups
TuelecturelecturesD0207 D105 08:0010:502BIB 3BIT xx
Tueexam - 1. oprava2019-01-22D0206 D0207 D105 09:0011:502BIA 3BIT
Tueexam2018-10-30A113 09:0010:502BIA
Tueexam - 1. oprava2019-01-22D105 09:0011:502BIA
Tueexam2018-10-30A113 09:0010:502BIB
Tueexam - 1. oprava2019-01-22D0206 D0207 D105 09:0011:502BIB
TueexerciselecturesM103 11:0012:502BIA 2BIB
TueexerciselecturesN203 13:0014:502BIA 2BIB
TueexerciselecturesA112 15:0016:502BIA 2BIB
Tueexam - 2. oprava2019-01-29D105 15:0016:502BIA 2BIB 3BIT
TueexerciselecturesN203 17:0018:502BIA 2BIB
Tuelecture - matematika pro ISS2018-09-25D105 20:0021:502BIA 2BIB
WedexerciselecturesM103 09:0010:502BIA 2BIB
Wedexam - řádná2019-01-09D0206 D0207 D105 E104 E105 E112 G202 13:0015:502BIA 2BIB 3BIT
WedexerciselecturesM103 17:0018:502BIA 2BIB
ThuexerciselecturesM103 09:0013:502BIA 2BIB
ThuexerciselecturesM103 17:0018:502BIA 2BIB
FriexerciselecturesM103 09:0012:502BIA 2BIB
FrilecturelecturesE105 E112 13:0015:502BIA
Frilecture2018-11-30D0207 13:0015:502BIA 3BIT
FrilecturelecturesE104 E112 13:0015:502BIA 3BIT xx
 
Learning objectives:
  To learn and understand basic theory of signals and linear systems with continuous and discrete time. To introduce to random signals. The emphasis of the course is on spectral analysis and linear filtering - two basic building blocks of modern communication and machine learning systems.
Description:
  Continuous and discrete time signals and systems. Spectral analysis in continuous time - Fourier series and Fourier transform. Systems with continuous time. Sampling and reconstruction. Discrete-time signals and their frequency analysis: Discrete Fourier series and Discrete-time Fourier transform. Discrete systems. Two-dimensional signals and systems. Random signals.
Knowledge and skills required for the course:
  basic maths and statistics
Subject specific learning outcomes and competencies:
  Students will learn and understand basis of description and analysis of discrete and continuous-time signals and systems. They will also obtain practical skills in analysis and filtering in MATLAB/Octave.
Generic learning outcomes and competencies:
  Students will deepen their knowledge in mathematics and statistics and apply it on real problems of signal processing. 
Why is the course taught:
  Probably anyone has already placed a call from a cell-phone. Probably everyone took a picture and stored it in JPG format. The algorithms of digital signal processing can be found behind both applications - filtering (in case of a mobile codec its for example a filter that changes its characteristics every 20 milliseconds depending on your voice) and spectral analysis (in JPG image encoding, little squares of 8x8 pixels are compared with cosine signals with different speeds). Both examples are however only a miniscule part of a vast number of signal and data processing applications, all around us - from commanding the ABS system in your car to satellite communications. Moreover, signal processing is an important component of machine learning (also called "artificial intelligence") that is nowadays influencing almost all sectors of economy and normal life. ISS won't teach you everything, but it will give you solid mathematical bases and intuition to build upon.
Syllabus of lectures:
 
  1. Digital filters - fundamentals and practical usage
  2. Frequency analysis using DFT - fundamentals and practical usage
  3. Image processing (2D signals) - fundamentals and practical usage
  4. Random signals - fundamentals and practical usage
  5. Applications of signal processing and introduction to theory
  6. Frequency analysis of continuous time signals
  7. Continuous time systems
  8. From continuous to discrete - sampling, quantization
  9. Discrete signal sin more detail
  10. Spectral analysis of discrete signals in more detail. 
  11. Digital filtering in more detail
  12. Random signals in more detail
  13. Applications and advanced topics of signal processing
Syllabus of numerical exercises:
 
  1. Complex numbers, cosines and complex exponentials and operations therewith 
  2. Basics, filtering, frequency analysis 
  3. Continuous time signals: energy, power, Fourier series, Fourier transform 
  4. Continuous time systems and sampling 
  5. Operations with discrete signals, convolutions, DTFT, DFT 
  6. Digital filtering and random signals
Syllabus - others, projects and individual work of students:
 The project aims at practical experience with signals and systems in Matlab/Octave. Its study etap contains solved exercises on the following topics: 
  1. Introduction to MATLAB
  2. Projection onto basis, Fourier series
  3. Processing of sounds
  4. Image processing
  5. Random signals
  6. Sampling, quantization and aliasing
The project itself follows with an individual signal for each student, see http://www.fit.vutbr.cz/study/courses/ISS/public/#proj
Fundamental literature:
 
  • Oppenheim A.V., Wilski A.S.: Signals and systems, Prentice Hall, 1997
Study literature:
 
  • http://www.fit.vutbr.cz/study/courses/ISS/public/
  • Jan, J., Kozumplík, J.: Systémy, procesy a signály. Skriptum VUT v Brně, VUTIUM, 2000.
  • Šebesta V.: Systémy, procesy a signály I., Skriptum VUT v Brně, VUTIUM, 1997.
  • Jan J., Číslicová filtrace, analýza a restaurace signálů, VUT v Brně, VUTIUM, 2002, ISBN 80-214-1558-4.
Controlled instruction:
  
  • participation in numerical exercises is not checked, but tests are conducted in them, each worth 2 points. 
  • Groups in numerical exercises are organized according to inscription into schedule frames.
  • Replacing missed exercises (and obtaining the points) is possible by (1) attending the exercise and the test with another group, (2) solving all tasks in given assignment and presenting them to the tutor, (3) examination by the tutor or course responsible after an appointment. Options (2) and (3) are valid max. 14 days after the missed exercises, not retroactively at the end of the course. 
Progress assessment:
  
  • 6 tests in numerical exercises, each 2 pts, total 12 pts.
  • half-semester exam, written materials, computers and calculators prohibited, 25 pts.
  • submission of project report - 12 pts.
  • final exam - 51 pts., written materials, computers and calculators prohibited, list of basic equations will be at your disposal. The minimal number of points which can be obtained from the final exam is 17. Otherwise, no points will be assigned to the student.
 

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