front to back ratio at ADS momenum

Hello guys I would like someone to give me an important information. Does ADS gives automatically the front to back ratio of the antenna as a number? How can I find it.

Since now I am calculating the radiation pattern ,after that farfield cut and finally i measure it from there at each frequency but the result is not accurate.

please help to find beamwidth and front to back ratio from the simulated results at ADS tool

The F/B ratio in MOM of ads software. Usually, The ground plane in the simulation of ADS is defined is infinity ground plane. It can not check in the F/B ratio.

However, you can use the FEM solver in Momentum to solve the antenna properly. I believe it still assumes an infinitely large dielectric, but that only causes inaccuracies on the horizon. If you need more accurate results.... don't use ADS.

You can draw a finite size ground, instead of using the ground boundary condition. Then, you can easily simulate the F/B ratio. Limitation: The substrates are assumed infinite in this case.

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ADS Momentum and the ADS FEM solver are two different simulation engines. There is no "FEM solver in Momentum".

For the FEM solver, you can define a finite dielectric size in the ADS substrate settings ("bounding area layer"). This is used by FEM and ignored by Momentum.

Your answer was inaccurate.

Hello, volker_muehlhaus

Thanks for your suggestion, it can be shown the F/B ration. when opened boundary condition.

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