Digital Signal Processing
Module 3
syllabus
Design of FIR Filters - Symmetric and Anti-symmetric FIR Filters, Design of linear phase FIR filters using Window methods, (rectangular, Hamming and Hanning) and frequency sampling method, Comparison of design methods for Linear Phase FIR Filters. Design of IIRDigital Filters from Analog Filters (Butterworth), IIR Filter Design by Impulse Invariance, and Bilinear Transformation, Frequency Transformations in the Analog and Digital Domain.
Video Lectures
Introduction to Finite Impulse Response (FIR) Filters | DSP Module 3 | Lecture 29
Topic covered
Introduction to FIR filters
Impulse response of FIR filter
FIR filter design - Symmetrical impulse response | DSP Module 3 | Lecture 30
Topic covered
Design of linear phase FIR filters
Symmetrical impulse response
FIR filter design - Anti symmetrical impulse response | DSP Module 3 | Lecture 31
Topic covered
Design of linear phase FIR filters
Anti symmetrical impulse response
Frequency response of FIR filter | symmetrical impulse response ( N=odd) | DSP Module 3 | Lecture 32
Topic covered
Frequency response of linear phase FIR filter
Case 1 : Symmetrical impulse response and N - odd
Frequency response of FIR filter | symmetrical impulse response ( N=even) | DSP Module 3 |Lecture 33
Topic covered
Frequency response of linear phase FIR filter
Case 2 : Symmetrical impulse response and N - even
Frequency response of FIR filter | Antisymmetric impulse response | DSP Module 3 |Lecture 34
Topic covered
Frequency response of linear phase FIR filter
Case 3 : Antisymmetric impulse response and N - even
Case 4 : Antisymmetric impulse response and N - odd
Summary of Frequency response of linear phase FIR filter
Introduction to FIR filter design | window method | Design steps | DSP Module 3 |Lecture 35
Topic covered
Design of linear phase FIR filter ,why do we need a filter, Digital filter design procedures/ steps, Design of linear phase FIR filter using window methods, Rectangular window, Hanning window, Hamming window, FIR filter design steps to follow
Design of an ideal lowpass FIR filter - Problem | Step by step solution | DSP Module 3 |Lecture 36
Topic covered
Design of linear phase FIR filter - Problem
Q) Design an ideal lowpass filter with frequency response
find the value of h(n) for N=11 find H(z).
Design of FIR filter using rectangular window | Step by step solution | DSP Module 3 |Lecture 37
Topic covered
Design of linear FIR filter using rectangular window method
00:18 - FIR filter design steps
02:48 - Problem
Q) Design a linear phase FIR low pass filter using rectangular window by taking 7 samples of window sequence and with a cut off frequency π_π=0.2π πππ/π ππ
or
Design a linear phase FIR filter low pass filter with frequency response π»_π (π^ππ ) where π_π=0.2π and N=7
Design of FIR high pass filter rectangular window | Step by step sol | DSP Module 3 | Lecture 38
Topic covered
Design of linear FIR high pass filter using rectangular window method
Problem 2 & solution
Q) Design a linear phase FIR high pass filter with frequency response
π»_π (π^ππ ) Find the value of h(n) for N=11 and find H(z). Use rectangular window
Design of FIR high pass filter Hanning window | Step by step sol | DSP Module 3 | Lecture 39
Topic covered
Design of linear FIR high pass filter using Hanning window method
Problem 3 & solution
Q) Design a linear phase FIR high pass filter with frequency response
π»_π (π^ππ ) Find the value of h(n) for N=11 and find H(z). Use Hanning window
Design of FIR high pass filter Hamming window Problem | Step by step sol | DSP Module 3 | Lecture 40
Topic covered
Design of linear FIR high pass filter using Hamming window method
Problem 4 & solution
Q) Design a linear phase FIR high pass filter with frequency response
π»_π (π^ππ ) Find the value of h(n) for N=11 and find H(z). Use Hamming window
Frequency sampling method - Design of FIR filter Problem with solution | DSP Module 3 | Lecture 41
Topic covered
Design of linear phase FIR filter using Frequency sampling technique
00:20 - Steps to follow in frequency sampling technique
02:21 - Problem - Step by step solutio
Frequency sampling method Prob 2 - FIR filter design | Step by step sol | DSP Module 3 | Lecture 42
Topic covered
Design of linear phase FIR filter using Frequency sampling technique
Q) Q) Using frequency sampling method, design a band pass filter with the following specifications , sampling frequency F=8000Hz ,cut off frequency fc1=1000Hz, fc2=3000Hz, Determine the filter coefficients for N=7
Introduction to IIR filter & its design | analog to digital filter design |DSP Module 3 | Lecture 43
Topic covered
Introduction to Infinite Impulse Response (IIR) Filter
00:20 - Intro
06:02 - Specifications of magnitude response of low pass filter
09:03 - Design steps of IIR filters
Analog low-pass Butterworth filter | design steps | DSP Module 3 | Lecture 44
Topic covered
Introduction to anlog low-pass Butterworth filter design, Analog Butterworth filter magnitude response, - Properties of Butterworth filter, - Transfer functions of Butterworth filters or Butterworth polynomials , - Derivation of the order of Butterworth filter, - Design steps of analog Butterworth filter
Design of analog Butterworth filter - Problem & Solution | DSP Module 3 | Lecture 45
Topic covered
Design Butterworth filter with given specifications
Design of analog Butterworth filter - Problem 2 & Solution | DSP Module 3 | Lecture 46
Topic covered
Design Butterworth filter with given specifications
Impulse invariant method | digital filter from analog filter steps | DSP Module 3 | Lecture 47
Topic covered
00:20 - Digital filter design from analog filter
00:59 - Introduction to Impulse invariant technique & three cases
14:23 - Steps to design IIR filter using impulse invariant technique
Impulse invariant method | Solved problem 1 | DSP Module 3 | Lecture 48
Topic covered
impulse invariant technique problem 1
Impulse invariant method | Solved problem 2 | DSP Module 3 | Lecture 49
Topic covered
impulse invariant technique problem 2
Impulse invariant method | Solved problem 3 | DSP Module 3 | Lecture 50
Topic covered
impulse invariant technique problem 3
Bilinear transformation technique | steps to follow and problems | DSP Module 3 | Lecture 51
Topic covered
Bilinear transformation technique
00:19 - Steps to follow in bilinear transformation
02:02 - Problem & solution
Bilinear transformation technique | low pass Butterworth filter | DSP Module 3 | Lecture 52
Topic covered
Bilinear transformation technique
Design of an analog Butterworth filter using bilinear transformation technique