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radio frequency identification presentation


Posted by: project report tiger
Created at: Tuesday 16th of February 2010 08:12:54 AM
Last Edited Or Replied at :Tuesday 05th of October 2010 05:27:44 AM
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y asking for passwords
Information can be burned on it by the manufacturer or by the end user and can also be re-programmed
Chips can also have sensors such as pressure sensors on tag on a tire to check tire pressure
Can also have self destructive or kill feature
Multiple tags have to be singulated when a reader wants to read it

Active tags
The power system for the tag being provided by the battery present in the tag.
The life of the tag limited to the life of the battery
Primary advantages include reading range & reliability.
With proper antenna on both the reader..................[:=> Show Contents <=:]



radio frequency identification full report


Posted by: computer science technology
Created at: Thursday 21st of January 2010 12:53:19 AM
Last Edited Or Replied at :Tuesday 13th of March 2012 11:48:51 PM
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ing (FSK) and phase shift keying (PSK).

Various schemes are available for modulation. Each type of modulation has advantages and disadvantages in terms of signal transmission rate, noise immunity and system complexity. They are based upon changing the value of amplitude, frequency or phase of an alternating sinusoidal source in accordance with the data carrying bit stream. On this basis one can distinguish amplitude shift keying (ASK), frequency shift keying (FSK) and phase shift keying (PSK):

Amplitude Shift Keying (ASK): The varying absorption of power (loading) a..................[:=> Show Contents <=:]



RADIO FREQUENCY IDENTIFICATION SENSORS


Posted by: seminar projects crazy
Created at: Thursday 29th of January 2009 12:37:38 PM
Last Edited Or Replied at :Thursday 29th of January 2009 12:37:38 PM
SENSORS , IDENTIFICATION, FREQUENCY , RADIO, radio frequency idetification sensors ,
technologies. The goal of the research is a system that can keep track of food products from initial production throughout the supply chain thus significantly reducing the mortality rate and lost productivity due to food borne bacteria and pathogens. RFID systems are wireless systems in which a remote tag in the field communicates with a reader interfaced to a host computer system. The paper discusses RFID system to be used for detection of pathogens in food. The design of the tag circuit is a major component of the research effort. For proof of concept, the tag circuit will be initially desig..................[:=> Show Contents <=:]



Software-Defined Radio SDR


Posted by: computer science crazy
Created at: Monday 22nd of September 2008 12:16:09 AM
Last Edited Or Replied at :Saturday 04th of February 2012 12:17:03 AM
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erein software modules running on a generic hardware platform consisting of DSPs and general purpose microprocessors are used to implement radio functions such as generation of transmitted signal (modulation) at transmitter and tuning/detection of received radio signal (demodulation) at receiver.Software-Defined Radio (SDR) is a rapidly evolving technology that is receiving enormous recognition and generating widespread interest in the telecommunication industry. Over the last few years, analog radio systems are being replaced by digital radio systems for various radio applications in military..................[:=> Show Contents <=:]



Satellite Digital Radio


Posted by: computer science crazy
Created at: Sunday 21st of September 2008 01:10:44 PM
Last Edited Or Replied at :Sunday 21st of September 2008 01:10:44 PM
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his data and send it back through special spot beam not only to fixed but also to mobile and portable receivers. complementary terrestrial transmitter may be necessary, because in big cities high rise buildings may block the signals from the satellites. In this seminars, an attempt is made to explain the different existing satellite systems, it?s working and key technologies used.


The conversion of analog to digital offers a wealth of benefits not available from AM or FM. The new digital service will offer two channel stereo sound and greatly increased frequency response in audio quality..................[:=> Show Contents <=:]



Radio Frequency Light Sources


Posted by: computer science crazy
Created at: Sunday 21st of September 2008 01:01:51 PM
Last Edited Or Replied at :Sunday 21st of September 2008 01:01:51 PM
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y light sources are just now becoming a mainstream lighting option. RF light sources follow the same principles of converting electrical power into visible radiation as conventional gas discharge lamps. The fundamental difference between RF lamps is that RF lamps operate without electrodes .There are three practical ways to energize RF light sources, though there are more ways to create RF plasmas. These three ways correspond to different types of interaction of electromagnetic fields with the bounded plasma and to different kinds of RF discharges. They are: capacitive, indu..................[:=> Show Contents <=:]



Electronics seminar lists8


Posted by: computer science crazy
Created at: Sunday 21st of September 2008 01:00:06 PM
Last Edited Or Replied at :Sunday 26th of February 2012 05:35:32 AM
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atronics(74)
Low-density parity-check code
Field-programmable gate array
Artificial Neural Network Systems(75)
X Scale
Plastic electronics
Synthetic Aperture Radar System(76)
maser
Radio Frequency Identification
Project Oxygen(77)
Sputtering
Telestrator
Radio Frequency Light Sources(78)
Passive InfraRed sensors (PIRs)
Native Command Queuing
Wavelet Video Processing Technology(79)
VIRTUAL SURGERY
Digital Micromirror Device
Webphone(80)
FireWire
RF MEMS
Earth Simulator(64)
Free Space Optics
Astrophotography
Vertical Cavity surface Emission Lasers(65)
Global System ..................[:=> Show Contents <=:]



Radio Frequency Light Sources


Posted by: computer science crazy
Created at: Sunday 21st of September 2008 12:00:13 AM
Last Edited Or Replied at :Wednesday 30th of June 2010 07:18:46 AM
Sources , Light, Frequency , Radio, applications of radio frequency light sources , rf light sorces doc, seminar topics on radio frequancy on light sourecs , radio frequency light sources, rf light sources applications , radiofrequencylightsources, semianr topics for radio ,
ultraviolet light) can produce visible light; this is the principle of the fluorescent lamp. We will consider different kinds of RF discharges and their advantages and restrictions for lighting applications...................[:=> Show Contents <=:]



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