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Vivaldi antenna


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vfurlan



Joined: 27 Mar 2006
Posts: 169
Helped: 8
Location: Slovenia


Post30 Mar 2006 8:33   

vivaldi antenna


I have to design a Vivaldi Antenna. Can somebody suggest a book or article where I can read about it! Main problem is how do you excite vivaldi antenna Thanks!
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jallem



Joined: 23 Jul 2005
Posts: 477
Helped: 67


Post30 Mar 2006 9:53   

Антенна вивальди


see
http://www.mwrf.com/Articles/ArticleID/5419/5419.html
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Post30 Mar 2006 9:53   

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vfurlan



Joined: 27 Mar 2006
Posts: 169
Helped: 8
Location: Slovenia


Post31 Mar 2006 9:26   

vivaldi antenne


Thanks, but there's one thing that I can't find anywhere: how can I calculate Vivaldi antenna input impedance? I also found a dielectric transformer (Characterization of miniature millimetre-wave vivaldi antenna for local multipoint distribution service, Simons, Lee), but I don't understand how it works and what are its dimensions (in general, not just for a specific antenna).
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hosseinali



Joined: 25 Mar 2006
Posts: 14
Helped: 2


Post03 Apr 2006 14:32   

антенна вивальди


hi
your answer



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maple



Joined: 27 Sep 2003
Posts: 106


Post18 Jun 2009 10:49   

vivaldi design


I also want to simulate vivaldi antenna, and I will the finite element method with my own algorithm.
but the most difficult task for me is to geometry modeling and mesh genernation.

would anyone give me some advice ? thanks !
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e_m_c



Joined: 07 May 2008
Posts: 90
Helped: 14
Location: Land


Post27 Jun 2009 21:42   

vivaldi antenna


EMC Studio: Vivaldi Antenna Example

You can try Method of Moments software for numerical simulation reference. Attaches is planar-triangular meshed Nastran file with this antenna.



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aamnamasood



Joined: 26 Jul 2009
Posts: 2


Post28 Aug 2009 16:59   

vivaldi


can anybody tell me, how to tune stub in vivaldi antenna, and how it affects the bandwidth of antenna?
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