The University of Texas at Austin
Fall 2014 EE 445S Real-Time Digital Signal Processing Laboratory Prof. Evans
Homework #1 Solutions on Z-Transforms and Spectral Analysis
1. Transfer Functions
With x[n] denoting the input signal and y[n] denoting the outp
Digital Signal Processing
Prof. Haris Vikalo
February 12, 2015
EE 351M / EE 381K-8
HW #4
Due: 02/19/15
Homework Set #4
1. (20 pts) (a) Determine the causal signal x[n] if its z-transform is
X(z) =
2 1.5z 1
1 1.5z 1 + 0.5z 2
(b) Determine all possible sign
Digital Signal Processing
Prof. Haris Vikalo
March 26, 2015
EE 351M / EE 381K-8
HW #7
Due: 04/02/15
Homework Set #7
23n
1. (25 points) Let x[n] = cos( 17n
64 ) + 2sin( 32 ) for 0 n 255, and 0 otherwise. The signal
x[n] is passed through an LTI system with
Digital Signal Processing
Prof. Haris Vikalo
March 10, 2015
EE 351M / EE381K-8
HW #6
Due: 03/26/15
Homework Set #6
1. (20 points) Assuming that a 4096-point DFT is computed using the radix-2 decimation-infrequency algorithm,
(a) How many stages of butterf
Digital Signal Processing
Prof. Haris Vikalo
February 26, 2015
EE 351M / EE 381K-8
HW #5
Due: 03/05/15
Homework Set #5
1. (20 points) Problem 8.1 from the textbook.
2. (20 points) Compute the N -point DFT of the following finite-length sequences considere
Density determination of solids
and liquids
Density is a physical property of
matter
Density is defined as mass per unit
volume
Density = Mass(g)
volume(ml)
CALCULATING DENSITY
In order to calculate density, you must know
how to determine two other measur
Introductory Chemistry
Chemical
Bonding
Bonding Theories
bonding is the way atoms attach to make molecules
an understanding of how and why atoms attach
together in the manner they do is central to chemistry
chemists have an understanding of bonding that
Introductory Chemistry
Chapter 6
Chemical
Composition
Why is Knowledge of
Composition Important?
everything in nature is either chemically or
physically combined with other substances
to know the amount of a material in a
sample, you need to know what f
Introductory Chemistry
Chapter 5
Molecules and
Compounds
Molecules and Compounds
Salt
Sodium shiny, reactive, poisonous
Chlorine pale yellow gas, reactive,
poisonous
Sodium chloride table salt
Sugar
Carbon pencil or diamonds
Hydrogen flammable gas
Oxyge
Introductory Chemistry
Chapter 3
Matter and Energy
In Your Room
Everything you can see,
touch, smell or taste in
your room is made of
matter.
Chemists study the
differences in matter and
how that relates to the
structure of matter.
What is Matter?
Matt
Introductory Chemistry
Chapter 2
Measurement and
Problem Solving
What is a Measurement?
quantitative
observation
comparison to an
agreed upon standard
every measurement
has a number
associated with a unit
2
A Measurement
the unit tells you what standa
Introductory Chemistry
CHEM 1411
The Chemical
World
Al-Kimya Chemistry
It is well-established that the very name
chemistry is derived from the Arabic word
al-Kimya, which was studied and developed
al
extensively by the Muslim scientists.
Father of Chemis
Chapter 9
The impact of information
technology on the quality of
life
Professional Ethics in IT
Instructor: Dr. Khalida Ghanem
Sarah Bashawri- Zainab Al-Blushi
Fatemah Al-Sayegh- Malak Al-Heeder
Alaa Al-Suwayel- Haneen Al-Qahtani
:Objectives
What impact h
Ethics in Information
Technology, Second Edition
Chapter 3
Computer and Internet Crime
Objectives
What key trade-offs and ethical issues are
associated with the safeguarding of data and
information systems?
Why has there been a dramatic increase in the
UNIV 1213-201
Chapter 8- Case 8.2
1. Problem
1.1 Isolations Causes
In this organization the employees feel that they are isolated and this is
because they are not able to share their opinions and abilities at the work place. This
is because of the CAO. He
Chapter 1
Systems of Linear
Equations
and Matrices
1.1) System of Linear Equations
A system of m linear equations in n
variables is a collection of equations
of the form
This is also referred as an mxn linear
system
A solution to a system of equations wit
RowSpace,Column,Space,
AndNullspace
Definition
For an m n matrix
a11 a12 . a1n
a
a22 . a2 n
21
A=
:
:
:
am1 am 2 . amn
the vectors
r1 =[ a11 a12 . a1n ]
r2 = [ a21 a22 . a2 n ]
:
rm = [ am1 am 2 . amn ]
in R n formed form the rows of Aare called the