Lecture Notes || SNS Courseware

Subject Details

Dept : ECE

Sem : 4

Regul : 2019

Faculty : R.SATHISH KUMAR

phone : NIL

E-mail : sathishajay91@gmail.com

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Lecture Notes

UNIT 1:

Introduction to DFT

Review of Discrete Signals and Systems

Circular Convolution

FFT Algorithms

Decimation in time Algorithms

Decimation in frequency Algorithms

Overlap-add method

Overlap-save method

UNIT 2:

Butterworth filters

Analog filters

Chebyshev Type I filters (upto 3rd order)

Transformation of prototype LPF to BPF /BSF

Transformation of analog filters into equivalent digital filters using Impulse invariant method

Transformation of prototype LPF to HPF

Realization structures for IIR filters – Direct forms.

Realization structures for IIR filters – Cascade & Parallel forms.

UNIT 3:

Design of Linear phase FIR filter

Filter design using Rectangular Window

Hamming Window

Hanning Window

Frequency sampling techniques

Blackman Window

Realization structures for FIR filters

Transversal and Linear phase structures

Comparison of FIR & IIR

UNIT 4:

Representation of numbers

ADC Quantization Noise

Coefficient Quantization Error

Product Quantization error

Truncation & rounding errors

Limit cycle due to product round-off error- Roundoff noise power

Limit cycle oscillation due to overflow in digital filters

Introduction to DSP Processor

UNIT 5:

Multirate signal processing

Decimation

Sampling rate conversion by a rational factor

Applications of Multirate signal processing

Interpolation

Adaptive Filters: Introduction

Types of adaptive filters

Applications of adaptive filtering to equalization

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