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Recent content by joinhappy

  1. J

    help, how to add a proper feed like IE3D in MoM code?

    Hi, Dear Loucy, Thank you very much. I have checked my filled impedance matrix using a patch antenna scattering field problem and have good results with the reference. so I thought the matrix filled is not in trouble. In practice, I just assume the feeding voltage 1 V is added at a rank normal...
  2. J

    help, how to add a proper feed like IE3D in MoM code?

    Thanks svarun, By now I used the feed of delta-gap method, but I do not know the IE3D's feed method, I want compare my radiation pattern results for a multilayer microstrip line model with IE3D's, but can not. My simulation is in high frequency, I may sure my code is good and I feel the feed...
  3. J

    help, how to add a proper feed like IE3D in MoM code?

    Who are familiar with the feed of IE3D? I want to develop a MOM code for antenna simulation using the same feed like IE3D in order to compare with it, How to add the proper feed, thanks.
  4. J

    how to calculated the return loss from a patch antenna

    as the currents on patch has been obtained, how to do next for return loss. thanks
  5. J

    Calculation methods in simulation programs.

    who can offer the book softcopy "antenna and em modeling with matlab".... thks
  6. J

    Discussion: Can EM simulator be used for Helical Antenna ?

    Re: Discussion: Can EM simulator be used for Helical Antenna who can offer the softcopy of the book: "antenna and em modeling with matlab".... thks,
  7. J

    Need book: "Microwave engineering" , Pozar, D,M

    microwave engineering pozar thanks
  8. J

    What is the green function for EM ?

    Re: green function ? who has developed a code for the GREEN function Gxx and Gzx of HED in a layered substrate? can u share it?
  9. J

    Problems with high Q antennas in IE3D

    Re: IE3D question hi, really the ie3d 10 have done the finite substrate boundary?
  10. J

    aperture coupled antenna simulation?

    Thank you. yes, I am a newer for it. I have read many papers and done some works for other feed mode of the microstrip antenna. Now I wish to do an aperture coupled feed model, by now I feel that the trouble for me is how to add a proper excitation for a aperture coulpled microstrip and how to...
  11. J

    aperture coupled antenna simulation?

    I want to make a code by myself, but it is hard, so I need to find some study code on web. by the way, thank u very much.
  12. J

    aperture coupled antenna simulation?

    Thank you for all. what method you use? once the currents of the patch, aperture and feedline have been obtained, how to calculate the input impedance of the antenna, can u help me? thank u.
  13. J

    aperture coupled antenna simulation?

    Thank u. Hi Lupin, are u working the code for microstrip antenna array? can I talk with u for some questions? I am a newer in this field and can u give me just one element code for an aperture coupled microstrip antenna? Thank u again.
  14. J

    aperture coupled antenna simulation?

    who has some study codes for simulation of the aperture coupled microstrip antenna or array? can u share it?

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