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Recent content by piboo

  1. P

    surface wave bandgap characterization of EBG structures

    Hi prafuldeo, which model are you talking about ? Can you explain to me a little bit more ? regards piboo
  2. P

    Photonic band structure_Triangular lattice using CST/HFSS

    Re: Photonic band structure_Triangular lattice using CST/HFS Hi Ashubhu, As you said before your configuration of your unit cell with periodic conditions is good. However for the upper boundary condition, you have to used Electric or magnetic condition. If you do that you will plot the...
  3. P

    Looking for the macro "enaclose" and "pmlmatsetup" for HFSS

    Hi I'm looking for the macro "enaclose" &"pmlmatsetup" for HFSS. If someone could explain to me how to use it, that will be cool Regards Piboo
  4. P

    HFSS script or marcro

    hfss script Hi everybody, I'm looking for macro/script "enaclose" and "pmlmatsetup.mac" for HFSS. Does anyone as these script ? Thank you for your help regards piboo
  5. P

    CST incident angle - frequency results not the same as time

    CST incident angle Hi 1/See this post: When your wave is not normal to the surface, your TEM is decomposed in TE mode and TM: the electric is not always on the incident plane. 2/ I think you have to correct your mesh: for a theta=0 I always have the same results. regards piboo
  6. P

    reflection phase of AMC structure for different angles

    Hi, Use the unit cell boundaries conditions and put a a variable in phase angle (always in the boundaries conditions window). Then set the port's reference to the surface of your structure. Do a parameter sweep on angle withe the frequency solver. regards piboo
  7. P

    how to obtain curve from HFSS

    how to obtain dispersion curve from HFSS Dear bitele, I don't know how to plot your first figure but for your second you can find a tutorial on https://www.emtalk.com (tutorial 3). How it will help you regards piboo
  8. P

    EBG structure modeling in CST

    hi shahid to open the prafuldeo's project: 1/ open the project --> bugg 2/ insert variable p, g and h 3/ Open and update the history list Then it will work regards Piboo
  9. P

    EBG structure modeling in CST

    Hi Prafuldeo, Some papers used 2 microstrip line, one on each side of the ebg and they measure the transmission between them. Other used a 50 Ohm microstrip line over the ebg and measure too the tansmission. We have made some tests here and it's work. What is exactly your problem ? Can you...
  10. P

    EBG structure modeling in CST

    Hi all, To masud: give me one more week, i'm a little bit busy in this moment, but if you have any questions we can try to resolve them. To prafuldeo: I don't know what you'r looking for exactly ? Do you want to see the S21 between an antenna and an EBG structure ? Because the S21...
  11. P

    Using Matlab to control CST

    Matlab and CST Hi t25, if you have access to the CST support, you will find some news about linking matlab with cst. There is an example. However, I have make some tests and I can't change parameter from matlab to cst: in fact i can change the value but cst mws doesn't refresh and just keep...
  12. P

    Dispersion diagram in matlab

    hi t25, this is no the good topic to ask it. I will answer it in the corresponding topic: regards piboo
  13. P

    EBG structure modeling in CST

    the report is soon finished ... be patient or if you need help ask don't hesitate to ask your questions I will try to answer to it :) regards piboo
  14. P

    Dispersion diagram in matlab

    how can represent dispersion in matlab Hi, I would like to plot the dispersion diagram of a HIS with matlab (or maple). I would like to know if someone do this ? I find 2 equations to plot the wavenumber: k_TE=ω/c*√(1-η0²/Zs²) or 1/η0 + 1/Zs = 0 Anybody has use these equations ? Please...
  15. P

    Imaginary part of reflection in CST

    Hi mirshahram, if you have the S11 results you can calculate the Z and Y matrices Results-> S parameter calculation -> Calculate Z and Y matrices. regards piboo

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