UNIT 1:
Introduction to digital signal processing
2. Classification of signals: continuous and discrete, energy and power
2. Classification of signals: continuous and discrete, energy and power
Classification of systems: Continuous, discrete , linear, causal
Mathematical representation of signals; spectral density;
UNIT 2:
Z-transform and its properties
Z-transform and its properties
Difference equation– Solution by z transform
Difference equation– Solution by z transform
Application to discrete systems- Stability analysis, frequency response
Discrete Time Fourier transform , magnitude and phase representation
UNIT 3:
Discrete Fourier Transform- properties
Discrete Fourier Transform- properties
Magnitude and phase representation
Computation of DFT using FFT algorithm
Computation of DFT using FFT algorithm – DIT using radix 2 FFT – Butterfly structure
Computation of DFT using FFT algorithm – DIF using radix 2 FFT – Butterfly Structure
UNIT 4:
FIR & IIR filter realization – Parallel &cascade forms
Bilinear transformation Warping, pre warping
FIR design: Windowing Techniques – Need and choice of windows –Linear phase characteristics.
