Analog Signal Processing and Digitalization

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Analog Signal Processing and Digitalization A3M38ZDS
Credits 6
Semesters Winter
Completion Assessment + Examination
Language of teaching Czech
Extent of teaching 2P+2L
The course is dedicated to methods for preprocessing, digitalization and reconstruction of continuis signals. It is focused to the methods for achieving of high precision of transmission and suppression of spurious components. The laboratory exercises are divided into two parts: the first part is classical tasks; the second one is individual project of design of typically data acqusition system. The teaching is supported by the CAD system for measuring circuits.
Study targets
Získat znalosti v oboru zpracování měřicích signálů z typických snímačů fyzikálních veličin včetně jejich digitalizace a rekonstrukce
Course outlines
1. Operational amplifiers for signal conditioning, negative feedback
2. Voltage, current, integration, charge, differential, instrumentation amplifiers
3. Signal processing for resistive, capacitance and inductance sensors, coherent detection
4. Signal processing for RTD, thermocouple and semiconductor temperature sensors
5. Methods of nonlinear signal processing, signal compression and expansion
6. Nonharmonic signal processing, rectifiers, RMS and peak to peak converters
7. Signal filtering, analog and switching filters design and application
8. Analog signals multiplexing and sampling, voltage references
9. High speed signal digitalisation, sampling, quantization, flash, half flash, approximation ADCs
10. High resolution signal digitalisation, integration and delta sigma A/D converters, dithering
11. Spectral analysis periodic and nonperiodic signals, windowing
12. Signal reconstruction, direct digital synthesis
13. Testing of digitalisators, sine wave fit test, spectral frequency test, histogram test
14. Hardware design techniques of A/D systems, grounding, shielding, noise reduction
Exercises outlines
1. Introduction, program Simulink
2. Resistive bridge circuits
3. Capacitive sensor circuits
4. RTD temperature sensor circuits
5. Thermocouple circuits
6. Analog filters
7. Integration converters
8. Signal digitalization
9. Signal reconstruction
10. Project - data acqusition system, specification
11. Project - signal conditioning circuits
12. Project - sampling and digitalisation
13. Project - parameters verification
14. Results evolution
1.Vedral, Svatoš: Analog signal processing and digitization. Česká technika 2010. ISBN:978-80-01-06717-8
2. Pallas Areny, Webster: Sensor and signal conditioning. John Wiley Sons, 2001, ISBN 0-471-3323-1

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