III B.E. (Computer Engg.)

VI SEMESTER

6CP2 DIGITAL SIGNAL PROCESSING

1. INTRODUCTION: Signal -continuous time and Discrete time systems, Properties of systems. Linear time invariant systems -continuous time and discrete time, Properties of LTI systems and their block diagrams.

2. FREQUENCY DOMAIN REPRESENTATION OF SYSTEMS: continuous time Fourier transform for periodic and a periodic sign properties of CTFT. Discrete time Fourier transform for periodic a periodic signals. Properties of DTFT. The convolution and modulate property.

3. SAMPLING: Sampling theorem. Aliening. Sampling in frequency domain. Sampling of Discrete time signals.

4. Z - TRANSFORM: Introduction. The region of convergence for the transform. The Inverse Z-transform. The Inverse Z-transform. Two dimensional Z-transform. Properties of Z-transform.

5. DISCRETE AND FAST FOURIER TRANSFORM: Introduction Properties of DFT & DFS. Linear convolution using the DFT Decimation in time & frequency FFT Algorithms.

6. REPRESENTATION OF DIGITAL FILTERS: Introduction. Signal flow graph representation of digital networks. Basic structure for IIR & systems.

Recommended Books:

1. Salivahanan and Vallavaraj -Digital Signal Processing, Tata Mc-Graw Hill.

2. Nagrath -Signals and Systems, Tata Mc-Graw Hill.

3. Oppenheim A. V. -Signals and Systems, PHI.

4. Oppenheim A.V. -Digital Signal Processing, PHI.

5. Lathi -Signals and Linear System, Oxford.