Pages

Tuesday, January 12, 2010

EC 5220/ EC 6120

Introduction To Digital Signal Processing (for EE)
  1. Introduction to basic elements of DSP systems, Advantages of Digital over Analog Signal Processing, multi channel and multidimensional signals, continuous vs. discrete time and discrete valued signals, concept of frequency in discrete time signals. A/D and D/A conversions.Sampling theory, Aliasing, Quantization and coding.
  2. Some elementary discrete time signals, Classification of discrete time signals. Block diagram representation of discrete time systems. Analysis of discrete time, Linear time invariant systems- convolution, properties of convolution, interconnection of LTI systems, Causality and stability, systems with finite-duration and infinite –duration impulse responses. Recursive and non-recursive systems, constant coefficient difference equations, structures for realization of
  3. LTI systems.
  4. Correlation of discrete time signals, Z-transform, poles and zeroes, pole location and time domain behavior for causal signals, properties of Z-transform.
  5. Discrete Fourier transform- Its properties and applications, efficient computation of DFT- fast Fourier Transform algorithms, direct computation, divide-conquer approach, radix-2 FFT, Radix-4 FFT, divide in time and divide in frequency algorithms.
  6. Design of digital filters- symmetric and anti-symmetric FIR filters, design of linear-phase FIR filters using windows, design of linear- phase filters by the frequency sampling method. Introduction to linear prediction, power spectrum estimation and multirate digital signal processing.
Books:
  • Digital Signal Processing, Algorithms and Applications 3 edition, Proakis and Manolakis, Prentice Hall of India, New Delhi, 1999.
  • Digital Signal Processing, A Computer based Approach, 2 edition, S.K.Mitra, Tata McGraw Hill, New Delhi, 2001.
  • Discrete time signal Processing, 1st edition, Oppenheim and Schaffer, PHI, N.Delhi

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