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Title: Computer Security Basics
Page Link: Computer Security Basics -
Posted By: projectsofme
Created at: Wednesday 13th of October 2010 10:19:11 PM
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This article is presented by:
Kelley Bogart
Computer Security Basics
SECURITY TIPS
1. Use protection software anti-virus software and keep it up to date.
2. Don't open unknown, unscanned or unexpected email attachements.
3. Use hard-to-guess passwords.
4. Protect your computer from Internet intruders -- use firewalls.
5. Don't share access to your computers with strangers. Learn about file sharing risks.
SECURITY TIPS
D ....etc
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Title: Digital Modulation Basics
Page Link: Digital Modulation Basics -
Posted By: seminar class
Created at: Friday 22nd of April 2011 06:10:57 PM
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Modulation & Demodulation
Modulation
Modulation - process (or result of the process) of translation the baseband message signal to bandpass (modulated carrier) signal at frequencies that are very high compared to the baseband frequencies.
Demodulation is the process of extracting the baseband message back the modulated carrier.
An information-bearing signal is non-deterministic, i.e. it changes in an unpredictable manner.
Why Carrier?
Effective radiation of EM waves requires antenna dimensions comparabl ....etc
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Title: RADAR AND SYNTHETIC APERTURE RADAR BASICS
Page Link: RADAR AND SYNTHETIC APERTURE RADAR BASICS -
Posted By: seminar class
Created at: Wednesday 06th of April 2011 07:00:01 PM
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Presented by:
Dr. Jakob van Zyl
RADAR AND SYNTHETIC APERTURE RADAR BASICS
PRINCIPLES OF RADAR
HOW DOES RADAR WORK?
• RADAR = Radio Detection And Ranging
• Since radar pulses propagate at the speed of light, the difference to the “target” is proportional to the time it takes between the transmit event and reception of the radar echo
PRINCIPLES OF IMAGING RADAR
REAL APERTURE RADAR
• PRINCIPLES OF IMAGING RADAR
THE RADAR EQUATION
• The SNR is derived from the radar equation:
where
Peak ....etc
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Title: basics of IPV6
Page Link: basics of IPV6 -
Posted By: project report helper
Created at: Wednesday 13th of October 2010 02:38:03 PM
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basucs of IP V6
Need of IPv6
As we are nearly out of the four billion addresses available in IPv4, IPv6 could be the solution to many problems.
IPv6 addresses are four times the size of IPv4 addresses.
An IPv4 address has 32 bits, while IPv6 address has 128 bits.
For IPv4, this pool is 32-bits (232) in size and contains 4,294,967,296 IPv4 addresses.
The IPv6 address space is 128-bits (2128) in size, containing 340,282,366,920,938,463,463,374,607,431,768,211,456 IPv6 addresses. ....etc
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Title: Polarization of Light from Basics to Instrument FULL PRESENTATION
Page Link: Polarization of Light from Basics to Instrument FULL PRESENTATION -
Posted By: seminar class
Created at: Saturday 26th of February 2011 01:42:30 PM
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Polarization of Light: from Basics to Instruments
Part I: Different polarization states of light
• Light as an electromagnetic wave
• Mathematical and graphical descriptions of polarization
• Linear, circular, elliptical light
• Polarized, unpolarized light
Light as an electromagnetic wave
Mathematical description of the EM wave
Graphical representation of the EM wave (I)
Graphical representation of the EM wave (II)
Vertically polarized light
Polarization at 45º (I)
Polarization at 45º (II)
Ci ....etc
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Title: extreme programmng
Page Link: extreme programmng -
Posted By:
Created at: Tuesday 13th of March 2012 08:43:58 PM
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Title: basics of pmdc motor
Page Link: basics of pmdc motor -
Posted By: chodekiran
Created at: Friday 05th of March 2010 02:23:17 PM
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related topics for basics of pmdc motor ....etc
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Title: Gecko Embedding Basics seminars report
Page Link: Gecko Embedding Basics seminars report -
Posted By: project report helper
Created at: Friday 29th of October 2010 01:13:20 PM
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Gecko Embedding Basics seminar report
entertainment,
and personal connectedness, the ability to access and view data stored in HTML
format is becoming more and more important for a wide variety of otherwise highly
divergent software applications. Whether it’s a matter of a simple HTML page viewer
or of a full-fledged web browser, the ability to parse and render HTML-based documents
is an increasingly significant function in many, many situations. For the application
developer, the ....etc
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Title: How to manage enterprise basics
Page Link: How to manage enterprise basics -
Posted By: vishal.marje
Created at: Sunday 21st of March 2010 05:34:03 PM
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Sir,
I want information on BUSINESS INTELLIGENCE.
Regarding with this, I need some info regarding enterprise management, knowledge management.
Please do favour me.
Thanks & Regards,
VISHAL MARJE
[email protected] ....etc
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Title: Wireless Transmission Basics
Page Link: Wireless Transmission Basics -
Posted By: seminar class
Created at: Friday 04th of March 2011 12:40:21 PM
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Spectrum and bandwidth
• Electromagnetic signals are made up of many frequencies
• Shown in the next example
• Spectrum and bandwidth
• The 2nd frequency is an integer multiple of the first frequency
– When all of the frequency components of a signal are integer multiples of one frequency, the latter frequency is called fundamental frequency (f)
– period of the resultant signal is equal to the period of the fundamental frequency
• Period of s(t) is T=1/f
Fourier Analysis
• Any signal is made up ....etc
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