Signals and Systems
COMM 350
Lab 1
The contents of these slides are taken from the Introduction to programming
in Matlab by: Danilo Scepanovic . MIT
20-Oct-13
1
Course Layout
Introduction to Matlab
Mathematical operations
Plotting/ Functions and scripts
A

Signals and Systems
COMM 350
Lab 4
The contents of these slides are taken from Introduction to programming in
Matlab by: Danilo Scepanovic . MIT
27-Oct-13
1
Outline
Mathematical Operations
Flow Control
Debugging
Exercises
27-Oct-13
2
27-Oct-13
3
> figure

SIGNALS and SYSTEMS
COMM 350
Lab 7
OUTLINE
Fourier Series
Representation of Periodic Time Signals using
Sinusoids
Frequency Response
Frequency Response of a Square Signal
2
Fourier Series
3
Plotting a square wave
> t=[0:0.01:25];
> x=square(t);
> plot

SIGNALS and SYSTEMS
COMM 350
Lab 8
Contents
Frequency Response of a System
Filters
Poles and Zeros
Exercises
15-Dec-13
2
Frequency Response of a system
15-Dec-13
3
Frequency Response ( = 1 rad/s)
Out
In
15-Dec-13
|Out|/|In| = 0.70
4
Frequency Response ( =

Signals and Systems
COMM 350
Lab 3
The contents of these slides are taken from Introduction to programming in
Matlab by: Danilo Scepanovic . MIT
20-Oct-13
1
Outline
Plotting
Exercises
20-Oct-13
2
20-Oct-13
3
20-Oct-13
4
20-Oct-13
5
Plot Options
20-Oct-1

Signals and Systems
COMM 350
Lab 2
The contents of these slides are taken from the Introduction to programming
in Matlab by: Danilo Scepanovic . MIT
20-Oct-13
1
Outline
Matrices
Transpose
Addition and Subtraction
Operators
Automatic Initialization
Indexin

SIGNALS and SYSTEMS
COMM 350
Lab 5
1
OUTLINE
System Properties
Linearity
Time Invariance
Stability
Introduction to Simulink
Simulink Example
Exercises
2
SYSTEM PROPERTIES - Linearity
Linear systems satisfy two properties:
Superposition
Homogenei

SIGNALS and SYSTEMS
COMM 350
Lab 6
OUTLINE
Representation of Discrete Time Signals using
unit samples
Impulse response
Discrete Convolution
Exercises
2
Representation of Discrete Time
Signals using unit samples
3
Representation of Discrete Time
Signal

COMM 350: Signals and Systems
Chapter 2
Time-Domain Representations of Linear TimeInvariant Systems (LTI)
The convolutional integral
Impulse response
Step response & its relation with impulse response
The convolutional Sum
Interconnection of LTI syst

COMM 350: Signals and Systems
Systems
Systems as interconnection of operations
Properties of systems
Stability
Time invariant
Linearity (Superposition & Homogeneity)
Memory
Causality
Inevitability
2
Systems as interconnection of operations
Continuou

COMM 350: Signals and Systems
Chapter 3
Fourier Representation of Signals
and LTI systems
Introduction
Periodic Signals: Fourier series representation
Continuous-Time periodic signals: Continuous-Time
Fourier Series (FS)
Discrete-Time periodic signals:

COMM 350: Signals and Systems
Chapter 3
Fourier Representation of Signals
and LTI systems
Introduction
Periodic Signals: Fourier series representation
Continuous-Time periodic signals: Continuous-Time
Fourier Series (FS)
Discrete-Time periodic signals:

COMM 350 : Signals and Systems
Basic operations on signals (Continuous / Discrete)
Dependent and independent variables
Operations performed on dependent variables
Amplitude scaling
Addition
Multiplication
Differentiation
Integration
Operations perfo