ECE – 601 DIGITAL SIGNAL PROCESSING

• Discrete Time Signals and Systems: Discrete Time Signals, Analysis of Discrete Time, Linear Time invariant systems, Systems described by Difference Equation, Correlation of Discrete time signals.
• Design of Digital filters: Digital filters by placement of poles and zeros in the Z-Plane. Lowpass, High pass and band pass filters, Notch filter, comb filter & all pass filter. Realization of FIR & IIR systems, Design of FIR filters using windows, Design of IIR filter by the Bilinear transformation method.
• Discrete Fourier Transform: DFT and its relationship to other transform, properties of the DFT, Circular convolution in time and frequency domains, Linear convolution in time and frequency domain by overlap save and overlap add methods.
• Fast Fourier Transform (FFT): DIT FFT, DIF FFT, DFT of real sequences.
• Adaptive Systems: Adaptive Filter, Inverse System, Deconvolution and system identification.
• Power Spectrum Estimation: Estimation of Auto Correlation and power spectrum of random signals, use of DFT in Power Spectrum Estimation. Parametric method - The Burg method for the AR Model Parameters, Least Square method, ARMA Model for Power Spectrum Estimation.

Suggested Books:

1. Introduction to DSP - J.G. Proakais & D.G. Manolakis, Macmillan Publishing Co.,

2. Digital Signal Processing, R. Rabiner and B. Gold, PHI

3. Introduction to Digital Signal Processing, Johnny R. Johnson and Application of PHI

4. Digital Signal Processing: A. Oppenheim, R. Schafer

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