How can I interpret my 3D radiated power graph?

Yolanda Gonzalez
Yolanda Gonzalez Altair Community Member
edited April 22 in Community Q&A

Hello, 

I am using FEKO to simulate a Bluetooth antenna to measure its reflection coefficient and radiated power. When setting up my model I requested Far Field to be a 3D pattern. After successfully finishing the simulation, I graphed the Far Field / radiated power, and these were my results:

image

(I ran two simulations. One where the antenna has no ground plane and one where the antenna does have a ground plane)

How can I interpret my results? Why it the radiated power not coming from where the wire port is located? 

I have attached both models (ground plane and no ground plane) for your review. 

If anyone is able to help me understand my problem, I would greatly appreciate it! 

Thanks, 

Yolanda Gonzalez 

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