Syllabus
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Course Code: EC-309 Course Name: Digital Signal Processing |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Discrete Transforms: Z- transform and its properties, Inversion of Z-transform, One sided Z- transform
and solution of differential equations. Analysis of LTI systems in Z-domain, causality, stability, schur-cohn
stability test, relationship between Z-transform and Fourier transform. Frequency Selective Filters: All pass filters, minimum-phase, maximum-phase and mixed- phase systems, Goertzel algorithm, Chirp Z-transform, applications of Z-Transform. |
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| 2 | Frequency Domain Sampling and DFT: DTFT, DFT, properties, Linear filtering using DFT, Frequency
analysis of signals using DFT, radix 2 and radix-4 FFT, computation of DFT of real sequences. Implementation Structures of Discrete Time Systems: Direct form, cascade form, frequency sampling and lattice structures for FIR systems. Direct forms, transposed form, cascade form parallel form. Lattice and lattice ladder structures for IIR systems. |
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| 3 | Design of FIR Filters: Characteristics of practical frequency selective filters, types of FIR filters, filter design specifications such as peak pass band ripple, minimum stop band attenuation etc., alternation theorem. Design of FIR filters using windowing method, frequency sampling method and Park-McClellan's method. Design of optimum equiripple FIR filters. Comparison of design methods for FIR filters. Effect of finite register length in FIR filter design. | |
| 4 | Design of IIR Filters: Design of IIR filters from analog filters, Design by approximation of derivatives, Impulse Invariance Method, Bilinear Transformation Method, Least Square Methods. Characteristics of Butterworth, Chebyshev and Elliptical analog filters, Frequency transformations, design of IIR filters in frequency domain. | |
