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Presentation
Presentation
The aim of this subject is to consolidate the mathematical theory studied in Calculus and Signal and Systems, from a practical point of view. Software implementations of the mathematical concepts are studied in Matlab, showing the practical application of the concepts.
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Class from course
Class from course
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Degree | Semesters | ECTS
Degree | Semesters | ECTS
Bachelor | Semestral | 6.5
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Year | Nature | Language
Year | Nature | Language
2 | Mandatory | Português
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Code
Code
ULHT46-1274
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Prerequisites and corequisites
Prerequisites and corequisites
Not applicable
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Professional Internship
Professional Internship
Não
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Syllabus
Syllabus
Revision of key concepts of Signals and Systems. Discrete signals. Special sequences. Discrete systems. Convolution. Difference equations. Fourier discrete transform. Representation of linear and time-invariant systems in the frequency domain. Sampling and reconstruction of signals using the Fourier Transform. Z transform. Inverse z transform. Representation of a time-invariant and linear system through the Z transform. Solution of difference equations. Implementation of discrete-time filters. Structures of IIR filters. Structures of FIR filters. FIR filter design in the case of linear phase. Transient and stationary response. Graphical representation of the filter response in the frequency domain. Techniques for FIR filter design. IIR filter design. General equation of the filters. Poles and zeros. Frequency domain response. Band transformation. Comparison between FIR and IIR filters.
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Objectives
Objectives
Knowledge: Digital filters applied to signal transmission. Evaluation of the quality of digitalization of signals, considering: Signal amplification, sampling and noise filtering. Skills: Evaluation of signal transmission problems, applying the knowledge acquired on actual problems. Competences: Analysis and Syntesis of signals using Matlab tools.
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Teaching methodologies and assessment
Teaching methodologies and assessment
Use of the questioning method, which aims to make questions to the students. These questions aim to understand the advantages and limitations of the subject of study.
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References
References
Vinay K. Ingle, John G. Proakis, "Digital Signal Processing using MATLAB", Bookware Companion Series,Brooks/Cole Publishing Company, Pacific Grove, 2000. ISBN: 0-534-37174-4 Robert D. Strum and Donald E. Kirk, "First Principles of Discrete systems and Digital Signal Processing", Addison Wesley, 1988. ISBN: 0-201-09518-1 Alan Oppenheim and Alan Willsky (with Hamid Nawab), "Signals & Systems", 2nd Edition, Prentice-Hall, 1997, ISBN: 0-13-651175-9 Boaz Porat, "A Course in Digital Signal Processing", John Wiley & Sons, 1997, ISBN: 0-471-14961-6 James McClellan, Ronald Shafer e Mark Yoder, "DSP First - A Multimedia Approach", Prentice- Hall 1998. ISBN: 0-13-243171-8
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Office Hours
Office Hours
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Mobility
Mobility
No
