Lecture Notes || SNS Courseware

Subject Details

Dept : ECE

Sem : 4

Regul : R19

Faculty : Mr.J.Prabakaran

phone : 9551144859

E-mail : prabakaran.j.ece@snsct.org

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Lecture Notes

UNIT 1:

Review of Discrete Signals and Systems-

Introduction to DFT

Circular Convolution

FFT Algorithms

Decimation in frequency Algorithms

Overlap-add methods.

overlap-save methods.

Decimation in time Algorithms

Properties of DFT

UNIT 2:

Analog filters

Butterworth filters

Chebyshev Type I filters (upto 3rd order)

Transformation of prototype LPF to BPF/BSF

Realization structures for IIR filters – direct form

Realization structures for IIR filters – cascade¶llel forms

UNIT 3:

FIR Filter design-Introduction

Linear phase FIR filter

Filter design using rectangular window

Filter design using Hamming and blackman window

Filter design using hamming window

Filter design using Hanning window

Realization structures for FIR filters

Transversal and linear phase structures

UNIT 4:

Representation of numbers

ADC Quantization noise

Coefficient Quantization error

Product Quantization error

Truncation & Rounding error

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

limit cycle oscillation due to overflow in digital filters

Introduction to DSP Processor

Representation of numbers

UNIT 5:

Decimation

Interpolation

Sampling rate conversion by a rational factor

Applications of Multirate signal processing

Adaptive Filters

Types of adaptive filters

Applications of adaptive filtering to equalization

Multirate signal processing

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