pls give details of fiber antennas for free space communicTION ....etc

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Submitted by
NEERAJ MANI TRIPATHI


ABSTRACT
A detailed study on the various next generation nature inspired geometry antennas
i.e. fractal antennas is performed. Mainly four types of printed fractal antennas i.e.
Sierpinski Carpet, Quasi Koch Fractal, Mix fractal and Sierpinski Gasket Fractal
are designed using 3D FEM based solver (Ansoft HFSS), which are basically
variants of Patch antenna. Maximum iteration is three and these antennas are fed
using three basic techniques Transformer Feed, Inset Feed and ....etc

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to get information about the topic plasma antennas full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-plasma-antenna?page=2

http://seminarsprojects.net/Thread-plasma-antennas

http://seminarsprojects.net/Thread-plasma-antenna?page=3 ....etc

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Small Fractal Antennas

1 Problem
Antennas for hand-held communication devices are necessarily small, and typically use wavelengths
that are large compared to the size of the antenna. This typically implies that
the magnitude of the antenna reactance X (= imaginary part of the antenna impedance) is
large compared to that of its radiation resistance Rrad (which is related to the time-average
radiated power P and the peak current I0 at the feedpoint by P = I2
0Rrad/2), so that it is
challenging to build an effective imped ....etc

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to get information about the topic smart antenna full report ,ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-smart-antenna-full-report?page=2

http://seminarsprojects.net/Thread-smart-antenna-full-report

http://seminarsprojects.net/Thread-smart-antenna-system-features-and-benefits ....etc

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the new world of Plasma Antennas



Antenna technology

Physically, an antenna is an arrangement
of one or more conductors, usually
called elements. In transmission,
an alternating current is created in the
elements by applying a voltage at the
antenna terminals, causing the elements
to radiate an electromagnetic field. In
reception, the inverse occurs. An electromagnetic
field from another source
induces an alternating current in the elements
and a corresponding voltage at
....etc

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To get full information or details of plasma antenna please have a look on the pages

http://seminarsprojects.net/Thread-plasma-antenna?page=2

http://seminarsprojects.net/Thread-plasma-antenna?mode=linear

http://seminarsprojects.net/Thread-plasma-antenna?pid=46499&mode=threaded

http://seminarsprojects.net/Thread-plasma-antenna?pid=34680&mode=threaded

http://seminarsprojects.net/Thread-plasma-antennas

if you again feel trouble on plasma antenna please reply in that page and ask specific fields in plasma antenna ....etc

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to get information about the topicfractal antenna please refer the page link bellow
http://seminarsprojects.net/Thread-fractal-antennas

http://seminarsprojects.net/Thread-fractal-antennas-a-novel-miniaturization-technique-for-wireless-communications

http://seminarsprojects.net/Thread-fractal-antennas-design-characteristics-and-application ....etc

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To get more information about the topic plasma antennas please refer the page link below
http://seminarsprojects.net/Thread-plasma-antennas

http://seminarsprojects.net/Thread-plasma-antennas-seminars-required

http://seminarsprojects.net/Thread-plasma-antenna?page=2
http://seminarsprojects.net/Thread-plasma-antenna?mode=linear ....etc

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Definition
Plasma antennas are radio frequency antennas that employ plasma as the guiding medium for electromagnetic radiation.

The concept is to use plasma discharge tubes as the antenna elements. When the tubes are energized, they become conductors, and can transmit and receive radio signals. When they are de-energised, they revert to non-conducting elements and do not reflect probing radio signals. Plasma antenna can be Steered electronically. Another feature of the plasma antenna is that it can be turned off rapidly, reducing ringing ....etc

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