Signalprocessing

Introduction: DSP-development, applications.

Conversion: Sampling, quantization error, quantization noise, oversampling, front filter.

System Theory: Difference equations, convolution, digital filter, transfer function, Z transform, pole-zero map, stability, causality.

Design of filters: FIR; window method, frequency sampling technique, optimal method. IIR; bilinear transformation. Filter structure.

Multirate system: Disimation, interpolation.

Frequency Analysis: 1D DFT, FFT, spectrogram, spectral analysis, spectrum estimation.

Correlation Analysis: Autocorrelation, cross correlation.

Imaging Processing: Histogram manipulation, mask processing.

Wavelets: CWT and DWT, details and approximations.

Læringsutbytte - Kunnskap:

blocks included in a general DSP system

methods for processing and analyzing digital signal in time- and frequency domain

methods for designing digital filter

Læringsutbytte - Ferdigheter:

analyze and process digitized data using computer tools

design digital filters using computer tools

perform basic technical image processing using computer tools

Læringsutbytte - Kompetanse:

studying signals in both time and frequency, and ubderstand the relation between them

Pedagogiske metoder:

Lectures, exercises and assignments. Data simulation in Matlab.

Obligatoriske arbeidskrav:

8 exercises and 8 lab assignments. 80% of the exercises and computer exercises approved.