Analog Signal Processing and Digitalization

Garant předmětu:

Lecturer:

Tutor:

Supervisor:

Department of Measurement

Synopsis:

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.

Requirements:

Syllabus of lectures:

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

Syllabus of tutorials:

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

Study Objective:

Study materials:

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

Note:

Further information:

http://measure.feld.cvut.cz/vyuka/predmety/A3M38ZDS

No time-table has been prepared for this course

The course is a part of the following study plans: