Fall 2015
ELEC1010 Electronic & Information Technology
ELEC1010 Electronic & Information Technology
Course Introduction
Department of Electronic and Computer
Engineering
P.1
Power of Information Technology in a single handheld device
Apple Pay
(Near Field

The Hong Kong University of Science and Technology
Department of Electronic and Computer Engineering
ELEC1010 Electronic and Information Technology
Homework 4
Issue Date: 30-10-2015
Due Date: 13-11-2015
5:00pm
No late submission is accepted
Please put you

The Hong Kong University of Science and Technology
Department of Electronic and Computer Engineering
ELEC1010 Electronic and Information Technology
Homework 3
Issue Date: 09-10-2015
Due Date: 16-10-2015
5:00pm
No late submission is accepted
Please put you

The Hong Kong University of Science and Technology
Department of Electronic and Computer Engineering
ELEC1010 Electronic and Information Technology
Homework 2
Issue Date: 25-09-2015
Due Date: 09-10-2015
5:00pm
No late submission is accepted
Please put you

ELEC1010 Tutorial 10
1
Channel Coding
Error Detection
Error Correction
Channel Coding
Adds redundant bits for protection.
Create systematic redundancy.
Helps receivers to detect and possibly recover bit errors.
Bit stream is encoded before transmission.
T

ELEC1010 Tutorial 5
1
Binary Format
Binary Logic
Binary Format
Bit & Byte
Bit binary digit
The most basic unit of information
A unit of information measurement
Value: 0 or 1
Refers to a digit in the binary numeral system (base 2)
1 bit represent 21 = 2 si

ELEC1010 Tutorial 8
1
Entropy
Entropy
Claude Shannon (1916-2001) Father of Information Theory
Claude Shannon is one of the greatest minds
of the 20th century
His master thesis at MIT in 1937 on using
Boolean algebra (i.e., binary logic) to solve
any logi

ELEC1010 Tutorial 4
1
Frequency Filter
Frequency Translation
Filter
Allows some frequencies of a signal to pass through and
block other frequencies of the signal.
In Frequency domain, the output spectrum Y is the
product of the filter characteristic H and

ELEC1010 Tutorial 9
1
Source Coding
Fixed Length Code
Huffman Code
Lossy Compression
Coding
Converts information into a different form for storage, transmission,
or other types of processing.
Why coding?
Compression
Error Protection
Secrecy
Source co

ELEC1010 Tutorial 4
1
Frequency Filter
Frequency Translation
Filter
Allows some frequencies of a signal to pass through and
block other frequencies of the signal.
In Frequency domain, the output spectrum Y is the
product of the filter characteristic H and

ELEC1010 Tutorial 7
1
Digitization
Sampling
Quantization
Digitization
Digital Signal: a set of sampled values in binary form as
bits.
Two main operations for digitization
1. Sampling:
Convert an analog signal into a list of numbers
Each number is one samp

ELEC1010 Tutorial 2
1
Introduction to Signals and Systems
Periodic Signal
Fundamental Frequency
Harmonics
Quality of the sound
What is Signal?
Signal: A pattern or variation that conveys information.
image
we can see
music
we can hear
Signal we do not
fee

Fall 2015
ELEC1010 Electronic & Information Technology
Chapter 01 -Introduction to Signals
P.1
Fall 2015
ELEC1010 Electronic & Information Technology
Lecture 02
Introduction to Signals and Systems
P.2
What Is Signal?
Signal: A pattern or variation that c

The Hong Kong University of Science and Technology
Department of Electronic and Computer Engineering
ELEC1010 Electronic and Information Technology
Homework 1
Issue Date: 07-09-2015
Due Date: 25-09-2015
5:00pm
No late submission is accepted
Please put you

ELEC1010
Guidelines on using Matlab (For Homework 1)
i. Matlab software is available in all computer barns.
ii. Launch the Matlab in the Start menu.
iii. Remember to put all the resource file on the working directory (you can also
change the working direc

ELEC1010
Guidelines on Excel
i. Microsoft Excel is a very famous spreadsheet tools for data manipulation and
analysis.
ii. We can also use Excel to plot a sine signal accurately.
iii. Before we start to plot, we need to decide
1) How many data point to re

ELEC1010 Tutorial 1
1
Course Introduction
Grading
Optional Group Project
Course Outline
Aims of Tutorial
Review the lecture material. (Include exam review)
Additional information for some of the homework
problems.
Discuss with more example (may be useful

ELEC1010 Tutorial 3
1
Signals as sum of sine waves
Represent signals in frequency domain
Electromagnetic Waves
Signal as a Sum of Harmonics - Exercise
A signal is composed of its 2nd, 4th and 7th harmonics, the second
harmonic is 2 Hz. The 2nd harmonic, 4

ELEC1010 Tutorial 5
1
Analog Signals and Systems
Digital Signals and Systems
Binary Format
Binary Logic
Analogy Signals and Systems
Analog Signals
Not countable
Have an infinite number of values
Continuous
e.g. audio signal, visual signal, distance, time

ELEC1010 Tutorial 5
1
Binary Format
Binary Logic
Binary Format
Bit & Byte
Bit binary digit
The most basic unit of information
A unit of information measurement
Value: 0 or 1
Refers to a digit in the binary numeral system (base 2)
1 bit represent 21 = 2 si

ELEC1010 Tutorial 5 6
1
Binary Format
Binary Logic
Binary Format
Bit & Byte
Bit binary digit
The most basic unit of information
A unit of information measurement
Value: 0 or 1
Refers to a digit in the binary numeral system (base 2)
1 bit represent 21 = 2