Basic Power and Energy
F1
1
Power = Rate of transfer of energy
Energy is discrete: in common parlance, it comes in lumps. The unit is the joule ( J).
1
1 J of energy will heat 1 g of water by 412 = 02
TCN 4081 Fall 2016
TELECOMMUNICATION NETWORK SECURITY
Department of Electrical & Computer Engineering
QUIZ #1 Solutions
10/21/2016
Name
1)
Which of the following is not a security service?
(A) Confide
CS 410/591 Spring 2013
COMPUTER SECURITY
Department of Computer Science
QUIZ #2 - Solutions
Name
Key Management includes:
(A) Key generation (B) Key storage (C) Key Revocation (D) All of the above
2)
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Introduction
Dr. Kemal Akkaya
E-mail: [email protected]
Kemal Akkaya
TCN 4081
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Cryptography Key Management
Dr. Kemal Akkaya
E-mail: [email protected]
Kemal
CS 410/591 Spring 2014
COMPUTER SECURITY
Department of Computer Science
QUIZ #3
(6pts each, except last question)
Name
2)
3)
A certificate does not contain
(A) Public Key of the Owner
(B) Signature of
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Cryptography Asymmetric Crypto
Dr. Kemal Akkaya
E-mail: [email protected]
Kem
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Cryptography Symmetric Crypto
Dr. Kemal Akkaya
E-mail: [email protected]
Kema
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Cryptography Hash Functions
Dr. Kemal Akkaya
E-mail: [email protected]
Kemal
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Network Security TCP/IP Networks
Overview
Dr. Kemal Akkaya
E-mail: [email protected]
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
General Public Key Infrastructure
Dr. Kemal Akkaya
E-mail: [email protected]
L1
1
The Laplace Transform Method
once known as Heaviside's Operational Calculus
(Denbigh , pp 282 299, Howatson, pp 215 - 239: and Maths Texts)
The Laplace transform gives firstly a method of solving
J
lSimple LC resonant circuits.
Parallel Resonant Circuit
Series Resonant Circuit
L
IL
I
V
L
ITotal
C
C
V
IC
The impedance
The impedance
1
Z = jL + jC
1
= jC [ 1-2LC ]
Z=
jCV
V
The current , I = Z =
1
B
1
SIGNALS & SYSTEMS
Ziemer, pp. 112
The core of this course is to explore ways of simplifying the understanding and analysis of
systems under dynamic conditions.
This has applications in control sys
A 1
ASTON UNIVERSITY
MODULE CODE:
MODULE TITLE
SCHOOL OF ENGINEERING AND APPLIED SCIENCE
EE2SAS
Signals and Systems
A Second Level Course for students of Electronics and associated programmes.
Organis
C
Bels, decibels and Bode Plots
1
Bels and decibels
Define Normalised Power associated with a voltage V as the power dissipated when the
voltage, V, is applied across a 1 resistor. The power is
V2
P =
M
Convolution Theorem
1
Convolution Theorem
also called Composition, Superposition, Faltung, Borel's or Duhamel's Theorem
Suppose that the impulse response of a system is h(t): this is the response w
Revision of Circuit analysis
D
1
The Three Things for circuit analysis
Two Kirchoff Laws
KCL Kirchoff Current Law.: the algebraic sum of all
currents into a node in a circuit is zero.
KVL - Kirchoff V
F3
Mutual Inductance and Transformers
1
Mutual Inductance & Transformers
If a current , i1 , flows in a coil or circuit then it produces a magnetic field. Some of the
magnetic flux may link a second c
I
Mechanical and Electrical Systems
'
Mechanical
Electrical
Through ' quantities
F, force
i, current
"Across' quantities
dx
dt
velocity difference
v,
voltage or potential
difference
Through variable e
G
1
Three phase systems
Instead of having 2 wires with a single voltage between the phase and neutral it is
advantageous to have three live phases and a neutral conductor. Phase is the name
given to t
Basic AC Circuits
F2
1
AC Basic Notes
AC Theory - Sinusoidally varying currents and voltages - Phasors
Vpsin(t+)
Vpsin(t+)
Phasor
t
t
t
Direction of
rotation of
phasor vector
Circle
radius Vp
We can r
H
1
OPERATIONAL AMPLIFIERS - commonly referred to as op-amps
The operational amplifier is characterised by
Inverting input
terminal
Noninverting input terminal
high gain, typically 104 105
+
Output
te
Department of Electrical & Computer Engineering
Florida International University
TCN 4081
Telecommunication Network
Security
Network Security Network Attacks
Dr. Kemal Akkaya
E-mail: [email protected]
K