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Help on Finite ground plane and E-Plane pattern

Question asked by boss on Apr 25, 2014
Latest reply on Apr 27, 2014 by boss
Hi.. I am working on microstrip patch antenna. To get finite ground plane i have conductor 2 as copper. Port 1 is connected to patch(conductor-1). and port 2 is connected to cond.2. When i try to get  E-plane pattern(as theta varies & phi is zero). i am getting radiation in back side also. how to avoid back radiation with finite ground plane?
I attached files for ur reference  

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