Module 3

Signals & Systems

Syllabus

Analysis of LTI systems using Laplace and Fourier transforms. Concept of transfer function, Frequency response, Magnitude and phase response. Sampling of continuous time signals, Sampling theorem for lowpass signals, aliasing.

Transfer function, Frequency response, Magnitude and phase response | Module 3 | S&S Lect 39

Topics

Intro - Transfer function - Definition of transfer function - Frequency response - Definition of Frequency response - Magnitude and phase response / spectrum

Problems - Magnitude and phase response | Module 3 | S&S Lect 40

Topics

Problem 1 (Magnitude and phase spectrum of exponential function) - Problem 2 (Spectrum of cos(omega t) - Problem 3 (Spectrum of sin(omega t) - Problem 4

Problems - Transfer function | Module 3 | S&S Lect 41

Topics

Problem 1 (calculating the impulse response from transfer function) - Problem 2 (Calculating system response from transfer function) - Problem 3 (Calculating impulse response from system rep by differential equation )

Sampling Theorem | Proof | aliasing | Module 3 | S&S Lect 42

Topics

Intro - Statement / definition - Proof

Nyquist rate & Nyquist interval | Solved Problems | Module 3 | S&S Lect 43

Topics

Intro to Nyquist rate & interval - Problem 1 & Solution - Problem 2 & Solution - Problem 3 & Solution

Previous yr q paper sol | SEPT 2020, DEC 2019 | Sampling, LTI analysis | Signals & Systems | Lect 58

Question paper

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fourth semester B.Tech examinations (S), SEPT 2020 & DEC 2019

Course Name: SIGNALS & SYSTEMS

Focused topics - LTI system analysis, Sampling theorem, aliasing

Intro - Question 6a) State sampling theorem (KTU, Sept 2020) - Question 5a) Calculate TF, ROC, Impulse response of differential equation (KTU, Dec 2019) - Question 5b) Find Nyquist rate and Nyquist interval - Question 6b) How to find magnitude and phase response of LTI system - Question 6c) what is aliasing

Previous year question paper sol | MAY 2019 | Sampling, LTI analysis | Signals & Systems | Lect 59

Question paper

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Fourth semester B.Tech examinations (S), MAY 2019

Course Name: SIGNALS & SYSTEMS

Focused topics - LTI system analysis, Sampling theorem, aliasing

Intro - Question 4c) finding the response of the system - Question 4d) state sampling theorem, compute Nyquist rate & Nyquist interval - Question 6a) calculate frequency response & output

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