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DSP Complete pdf notes(material 2)
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Unit-1:
Introduction to Digital Signal Processing: Discrete time signals & sequences, Linear shift
invariant systems, Stability, and Causality, Linear constant coefficient difference equations,
Frequency domain representation of discrete time signals and systems.
Unit-2:
Properties of discrete Fourier series, DFS representation of periodic sequences, Discrete
Fourier transforms, Properties of DFT, Linear convolution of sequences using DFT,
Computation of DFT, Relation between z-transform and DFS.
Unit-3:
Analog filter approximations – Butterworth and Chebyshev, Design of IIR digital filters from
analog filters, Bilinear transformation method, Step and Impulse invariance techniques, Spectral
transformations, Design examples: Analog-Digital transformations.
Unit-4:
Characteristics of FIR digital filters, Frequency response, Design of FIR digital filters using
Window techniques, Frequency sampling technique, Comparison of IIR and FIR filters.
Unit-5:
Decimation, Interpolation, Sampling rate conversion, Filter design and
Implementation of sampling rate conversion.
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