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Recent content by math_daoud

  1. M

    Simulate the third-order synchronous generator.

    hi, everyone, I want to simulate the third-order synchronous generator, but I don't know how to set initial conditions: 1- delta (angle of d-axis ahead of a-axis) 2- e'q (transient internal voltage of armature) 3- Tm (mechanical torque) Please, I need help, thanks
  2. M

    Cost function in optimisation

    Dear all, in optimisation we can use the Mean Squared Error as a cost function, Can anyone tell me what are the others type of the cost fonction thnks
  3. M

    patch antenna polarization

    Dear all, i designed a patch antenna in CST, i wanna know wat kind of polarization of this antenna, any one can help me, many thanks
  4. M

    surface current and isolation of antenna

    Dear all; i have tow questions: I)what is the relation between surface current and isolation of patch antenna? II)the current surface is better when it is low or high? anyone can help me thanks
  5. M

    measured and simulated S11 of a patch antenna

    but we notice thet the measured S11 larger than the simulated one in 2.4GHz but smaller than the simulated one in 3.7GHz ?
  6. M

    current distribution on the antenna & antenna efficiency

    Hello, anyone know how to: 1-Draw the current distribution on the antenna. 2-Draw the antenna efficiency. of a patch antenna in cst thenks
  7. M

    measured and simulated S11 of a patch antenna

    dear all in the following figure, anyone tell me why is the measured S11 larger than the simulated one in low frequency but smaller than the simulated one in the high frequency
  8. M

    How to design dual band microstrip patch antenna in CST Suite 2016?

    you can search in youtube.there is lot tutorial
  9. M

    plot 2D radiation pattern

    Dear All i have data from an expremental mesure of a patch antenna (txt file).ther are lots informations in this file, please how can i plot 2D radiation pattern(E-plane and H-plane) in matlab or origin. Thank you
  10. M

    Coding and decoding a binary individual

    dear all how we can coding and decoding a binary individual in genetic algorithm. thenks
  11. M

    patch antenna fabrication

    thank you , i will try this
  12. M

    plot radiation pattern data (2D)

    Hello Everyone, I'm trying to find a way to plot radiation pattern data (2D) in a text file (DF1 file) how can i do this in matlab thenk you
  13. M

    patch antenna fabrication

    Dear All, I have simulated a patch antenna using CST 2014 the result gave me very good BW and radiation pattern, from here i am new and i have no idea how to start the fabrication, my question is how to layout the simulted patch antenna? Thank you
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