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Recent content by f6dro

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    HFSS-IE visualisation

    Hello , I am runing an HFSS-IE simulation. 1st I have been simulating a dish feed and I've got correct results in HFSS. 2nd I have open an HFSS-IE design in the same project tree and I have described a 2m dish. The simulation works OK and I get perfect results for the dish illuminated by the...
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    HFSS far field calculation distance?

    Hello , I would like to understand at what distance HFSS computes the far field amplitude and phase? I want to simulate the e field phase at a given distance ( but in the far field zone) while moving the horn generating this field +/- from the reference plane. Is it OK to move the horn and...
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    HFSS and open wire lines?

    Hello , I am trying to model an array of full wave dipoles in front of a plane reflector. The dipoles are fed in their centers by open wire lines ( symetric transmission line). As the antenna works at 1.3Ghz , getting a good in phase alimentation of all the dipoles is important. Of course I...
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    HFSS! How to explain some ripples in S parameter curves

    Hello , true , I often, get this pb as well. It looks like the structure ( mesh?) is resonnating. I've tried to refine the mesh , but the pb was still there , so I have no idea on how to solve this. I have been told the V11 HFSS version solves this? Dom
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    Air box size effect on the results in HFSS

    Hello , I have what I find quite misleading results under HFSS. The air box size used for far field computations plays quite an important role on the results. Of course I use a minimum size which is big enougth ( quarter wave around the structure) , but when I try to vary the size of the box (...
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    Help me with antenna excitation in HFSS

    Hello , I have great experience on NEC , but I am totally newcomer with HFSS. I want to model an antenna which is built like this: A full wave round loop in front of an full wavelength circular reflector ( refl to loop distance is lambda/8) . No problem to build the model , but the results I...

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