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Type: Posts; User: math_daoud

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  1. Replies
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    Closed: 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
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    585

    Closed: 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
  3. Closed: 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
  4. Closed: Re: 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 ?
  5. Closed: 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...
  6. Closed: 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

    139630
  7. Closed: Re: How to design dual band microstrip patch antenna in CST Suite 2016?

    you can search in youtube.there is lot tutorial
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    Closed: 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...
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    Closed: Re: plot 2D radiation pattern

    Dear sree479
    thanks for your answer
    but, I do not know how to do this, as I said there is a lot of information in this file .
    here is a part of the txt file
    can you help me?
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    Closed: Coding and decoding a binary individual

    dear all
    how we can coding and decoding a binary individual in genetic algorithm.
    thenks
  11. Replies
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    2,176

    Closed: 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 in matlab or origin.
    Thank you
  12. Replies
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    1,505

    Closed: Re: patch antenna fabrication

    thank you , i will try this
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    Closed: 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
  14. Replies
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    Closed: 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...
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