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A question on Antenna Array Simulation in HFSS - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


luyang
 Post subject: A question on Antenna Array simulation in HFSS
Posted: Sun May 01, 2005 4:08 pm 
 
Captain

Joined: Wed Feb 02, 2005 5:45 pm
Posts: 7
Hi, everyone, I want to use HFSS to simulate the antenna array. I set the ports for each antenna element, but the pattern looks like a single antenna element pattern. I guess if it is because I did not set all the exitations at the same time. I don't know how to give the antennas exitations at the same time. It is not infinite array. If someone who know how to set corrent exitations for antenna array, please help me!
Thanks a lot!

Lu


 
   
 
AP
 Post subject: Just do one at a time
Posted: Mon May 16, 2005 12:44 pm 
I'm not sure how to excite all the ports at once (my HFSS array designs have used corporate feeds) but I know you can solve a single element, and then see what it would be like if it were part of an array. After you've finished solving, go to 'radiation' and then 'array setting' and then you can say how many elements, and how far apart they are etc.

AP


 
  
 
Paganini
 Post subject: A question on Antenna Array simulation in HFSS
Posted: Wed May 18, 2005 11:03 am 
Hi

What you need to do is to go to "Field Overlays" tab and then click on
"Edit Sources". You'll see that only 1st port has magnitude of 1 while
the rest have magnitude of 0. So you set all other to either 1 for
uniform amplitude didtribution or some other value according to
your design goals.

Paganini




Posted  11/12/2012

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