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Recent content by metamaterialantenna

  1. M

    Properties of human muscle and Saline solution

    If you are trying to simulate implantable antennas you need to consider the following Electrical Conductivity (σ) and Relative permittivity (εr) are frequency-dependent and for the human body μr=1 always. Please check the following reference...
  2. M

    Negative Gain Antenna Applications

    It can be used on Implantable devices. Please check the following reference https://www.researchgate.net/publication/351326704_A_Compact_Design_for_Dual-band_Implantable_Antenna_Applications
  3. M

    where the author got a mathematic formula FDTD ?

    thanks for your reply do you can suggest me the reference of those equations please ??
  4. M

    Need help in CST time domain plot

    Hi, i hope that will help you
  5. M

    where the author got a mathematic formula FDTD ?

    if you can help me to have from where the author got a mathematic formula? https://www.mathworks.com/matlabcentral/fileexchange/43787-microstrip-line-fed-rectangular-antenna-analysis-using-3d-fdtd-code formula: Material(4,3) = lineH/(Z0*lineW*dy);
  6. M

    CST: Eigenmode solver error

    for substrate material choose (LOSS FREE)
  7. M

    extraction s11_phase s11_magnitude s21_phase and s11_magnitude in cst

    thanks for your reply no, the problem is that data are wrong because i found this when i simulate the code with my extraction file i dont have any LEFT handed proprieties the true result is i think the problem is that i cant extract the true data from cst can please tell me how i can find...
  8. M

    extraction s11_phase s11_magnitude s21_phase and s11_magnitude in cst

    I WANT TO EXTRACT S11_PHASE; S11_MAGNITUDE;S21_PHASE and S11_MAGNITUDE my unit cell is a SRR simylated with CST i WANT my files to be like this files i try to do it BUT i get the data like this which means i have a problem with extracting data please where is the problem ?
  9. M

    [SOLVED] dispersion diagram of mushroom ebg structure

    hi how to design EBG structure in CST ? how to plot Dispersion diagram

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