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:

Overlap-Save Method

Overlap-add Method

Decimation in time Algorithms

Decimation in frequency Algorithms

FFT Algorithms

Circular Convolution

Introduction to DFT

Properties of DFT

Discrete Signals and Systems – A Review

UNIT 2:

Analog filters

Butterworth filters

Chebyshev Type I filters (upto 3rd order)

Analog Transformation of prototype LPF to BPF /BSF

Analog Transformation of prototype LPF to HPF

Realization structures for IIR filters – Direct forms

Realization structures for IIR filters – Cascade and Parallel forms

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

Bilinear transform method

UNIT 3:

Filter design using Rectangular window

Filter design using Hamming window

Filter design using Hanning window

Filter design using Blackman 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 errors

Cycle due to product round-off error, Roundoff noise power

Limit cycle oscillation due to overflow in digital filters

Introduction to DSP Processor

Representation of numbers

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