CSE 3451 Fall 2014
Lab 1
Laboratory Assignment 1
MATLAB Introduction
In this lab, you will be introduced to MATLAB by using it to evaluate expressions
containing complex numbers. Using MATLAB, you can easily express these complex
numbers in either rectang

COSC 3451: Signals and Systems
Solutions to Assignment # 2: Time Domain Analysis of LTI Systems
Chapters 2 and 3.
1. The following CT systems are described using their input-output relationships between the input signal x(t)
and output y(t) . Determine if

Laboratory Assignment 2
Signal Sampling, Manipulation, and Playback
PURPOSE
This lab will introduce you to the laboratory equipment and the software that allows you
to link your computer to the hardware. Specifically, you will learn how to use the
equipme

Laboratory Assignment 4
Fourier Sound Synthesis
PURPOSE
This lab investigates how to use a computer to evaluate the Fourier series for periodic
signals and to synthesize audio signals from Fourier series coefficients. The Fourier
series should be a famili

Chapter 7
Design of CT Filters
1. Filter Classification
2. Non-Ideal Filter Characteristics
3. Design of CT Lowpass Filters
Sections: 7.1 7.3
CSE3451: Signals and Systems
Spectra of Frequency-Selective Filters
H lp ()
Lowpass
c
c
0
H hp ()
Highpass
c
c

Laboratory Assignment 12
Amplitude Modulation
PURPOSE
In this assignment, you will explore the use of digital computers for the analysis, design,
synthesis, and simulation of an amplitude modulation (AM) system. In AM systems, an
information signal is mul

Chapter 9
Sampling
1. Sampling
2. Reconstruction of Sampled Signals
CSE3451: Signals and Systems
Processing CT Signals using DT Systems
CSE3451: Signals and Systems
Sampling of Signals using Impulse Train
x(t )
t
0
xs (t ) with Ts = T
t
6T 4T
2T
0
2T
4T
6

Chapter 3
LTIC Systems
1. CT Linear, Time Invariant (LTIC) Systems
2. Impulse Response of LTIC Systems
3. Convolution Integral and Properties
4. Output of LTIC Systems using Convolution
Sections: 3.1 3.7
CSE3451: Signals and Systems
Series RLC Circuit
Act

Chapter 1
Introduction to Signals
1. What are Signals?
2. Classification of Signals
3. Elementary Signals
Sections: 1.1 1.3
CSE3451: Signals and Systems
What are Signals?
Speech
23.0
22.0
21.0
S
20.9
M
T
21.6
22.3
20.2
W
H
F
Evolution of Stocks
over time

Chapter 2
LTIC Systems
Chapter 2:
Sections 2.1 2.3
CSE3451: Signals and Systems
DT versus CT Systems
CT Systems: operate on CT input signals transforming them to CT
output signals.
x(t) ! y(t)
"
DT Systems: transform DT input signals into DT output signal

CSE 3451 Fall 2008
Lab 1
Laboratory Assignment 1
MATLAB Introduction
In this lab, you will be introduced to MATLAB by using it to evaluate expressions
containing complex numbers. Using MATLAB, you can easily express these complex
numbers in either rectang

Laboratory Assignment 3
Digital Music Synthesis:
Beethovens Fifth Symphony Using MATLAB
PURPOSE
In this laboratory assignment, you will use MATLAB to synthesize the audio tones that
make up a well-known sequence from Beethovens Fifth Symphony by using bas

COSC3451: Signal and Systems
Instructor: Amir Asif
Quiz for Assignment # 3
Time Allowed: 15 minutes
Name: _
Registration Number: _Email: _
The CTFT transfer function of a linear time invariant system (LTI) S is given by
20 + 9( j) 2
H () =
20 + 12( j) 2
D

Chapter 11
Discrete Time Fourier Series
and Fourier Transform
1. Discrete Time Fourier Series (DTFS)
2. Discrete Time Fourier Transform (DTFT)
3. Properties of DTFT
4. LTID Systems: Frequency Spectra
Sections: 11.1 11.7
CSE3451: Signals and Systems
Discre

Chapter 10
Time Domain Analysis of
Discrete-time Systems
1. Finite Difference Equations
2. Impulse Response
3. Convolution Sum
4. Properties of Convolution Sum
5. Periodic Convolution
Sections: 10.1 10.8
CSE3451: Signals and Systems
Finite Difference Equa

CSE 3451
Signals and Systems
H. Chesser (CSEB 1012U)
W1-R
Agenda
Course Overview and Mechanics:
Syllabus
Marking
Schedule
Labs
Etc
Intro to Signals (Chapter 1)
Assignment 1
CSE 3451
W1-R
Course Content, Format
Continuous (CT) and sampled or discrete (DT)

COSC 3451: Signals and Systems
Solutions to Assignment # 4: Discrete Time Fourier Transform
Instructor: Dr. Amir Asif
1.
Consider the linear constant-coefficient difference equation
y[ n] 3 y[n 1] + 1 y[ n 2] = 2 x[n 1]
4
8
a. Determine y[n] iteratively f

COSC 3451: Signals and Systems
Solution to Assignment # 3: Continuous Time Fourier Series and Transform
Chapters 3 and 4 (till Section 4.4).
1. Compute the continuous time Fourier series (CTFS) representation for the waveform shown in Fig. P1.
x(t)
1
4T
2

Errata for the Book Continuous and Discrete Time Signals and Systems
Last updated: Feb 12, 2009
Chapter
1
Page#
Corrections
45
(just before
Section
1.3.4)
1
49
1
1 m 4
x[ m] = 0.25m 4 m 0 should be changed to
0
elsewhere.
1 k 4
1
g[k ] = x [ k ] = 0.25k 4

Chapter 5
CT Fourier Transform
1. Derivation of CTFT
2. Examples of CTFT
3. Inverse CTFT
4. Properties of CTFS
Sections: 5.1 5.4
CSE3451: Signals and Systems
CTFT: Definition
x(t)
L
t
0
L
Periodic Extension of x(t):
~ (t)
xT
T0
L
t
0
L
T0
Activity 1:
By

Signals and Systems
Lecture 2: Classification of Signals (2)
CSE3451
Fall 2013
Course Instructor: Mohammad Sajadi
With permission of Arash Mohammadi
1
What we have learned?
Continuous-time signals
Discrete-time signals
Different classes of signals
Per

COSC3451: Signals and Systems
Instructor: Amir Asif
Quiz for Assignment # 2
Time Allowed: 15 minutes
Name: _
Student ID Number: _Email: _
The output z(t) of a CT linear, time-invariant system S1 to an unit impulse function (t) is shown below
z(t)
1
1
0
1

Chapter 4
Signal Representation
using CT Fourier Series
1. Trigonometric CTFS
2. Exponential CTFS
3. Properties of CTFS
4. Existence of CTFS
5. Applications
Sections: 4.4 4.9
CSE3451: Signals and Systems
Output response of an LTIC system
Input signals
Out