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Radiation patterns plot

 
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Lupus
Antenna-Theory.com Newbie


Joined: 03 Mar 2010
Posts: 4

PostPosted: Wed Mar 03, 2010 11:21 pm    Post subject: Radiation patterns plot Reply with quote

Hi guys,

I am wondering if u can recommend me some software, which I can use to plot radiation patterns? I already tried with Matlab, but after solving several problems e.g. converting spherical to cartesian, i wasn't satisfied with resulted plot.

Of course, i hope u know something that is free to download. Smile
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bigSteve
Antenna Wizard


Joined: 14 Mar 2009
Posts: 265

PostPosted: Thu Mar 04, 2010 8:17 am    Post subject: Reply with quote

Are you trying to plot 2D (function of a single variable) or 3D (functions of theta and phi) radiation patterns?
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Lupus
Antenna-Theory.com Newbie


Joined: 03 Mar 2010
Posts: 4

PostPosted: Thu Mar 04, 2010 12:36 pm    Post subject: Reply with quote

I want to plot 3D, spherical coordinates (radius, phi, theta). There is no problem with single variable functions. I also managed to do it in 3D but only using function plot3 (Matlab library). Unfortunately, plot sucks.
I noticed here on Antenna-Theory site great patterns. Maybe you know which program are they using?
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bigSteve
Antenna Wizard


Joined: 14 Mar 2009
Posts: 265

PostPosted: Fri Mar 05, 2010 6:13 am    Post subject: Reply with quote

The 3D radiation patterns on this website were done with the help of FEKO. Good 3D plots are hard to come by. If you find a free way to do it, let me know. Matlab's 3D plots don't end up looking real good, I've tried.
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Lupus
Antenna-Theory.com Newbie


Joined: 03 Mar 2010
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PostPosted: Fri Mar 05, 2010 10:55 pm    Post subject: Reply with quote

Yes, sure. I'll let u know. Thanks.
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