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Recent content by Aiiar

  1. A

    CST based on FDTD equations or ??

    cst fdtd I want to know the CST software based on FDTD equations or what ??
  2. A

    CST based on FDTD equations or ??

    I want to know the CST software based on FDTD equations or what ??
  3. A

    Help "Coaxial port geometry XFDTD"

    Is The goemetry in the attachment right ?? it must be a 50ohm coaxial port feed the circular disc monopole through the ground plane. it didn't give me results as the paper and I don't know how to draw the coax port plz help
  4. A

    Help "Coaxial port geometry XFDTD"

    I want to simulate a coaxial port which feed the patch from a hole in the ground plane I hope if any one can describe how to do that or upload any goemetry file for this problem thank you
  5. A

    Help "How to simulate infinite substrate XFDTD"

    How to simulate infinite Substrate and Ground in XFDTD ? I know that at Fiedility Zeland to simulate infinite substrate I should let the substrate to touch the boundry, i.e lower and upper padding=0. Is this idea work at XFDTD ?
  6. A

    Help "Coaxial port geometry XFDTD"

    coaxial feed xfdtd I Don't know how to creat the coaxial cable , There is a coaxial cabel at the manual but I didn't understand it ? and why there is two ports in the cable ? and what are the polarity of them ? and which edge will be connected to the antenna ? I Hope that if any could upload a...
  7. A

    help to add new layer in XFDTD

    ãÇ Ýí Ãí ÅÒÚÇÌ æ ÎÐí ÑÇÍÊß ÈÇáÃÓÆáÉ ¡ ÈÓ ãÇ Êßæä ÕÚÈÉ :) æ ÑÇÍ ÃßÊÈ ÈÇáÇäÌáíÒí ÚÔÇä ÒæÇÑ ÇáãäÊÏì íÝíÏæäÇ The transmition line width and length is important but you have to make the same dimensions as paper to get the same results. and the TL width determine its impedance. But at zeland the...
  8. A

    help to add new layer in XFDTD

    ÈÇáäÓÈÉ áá Transmission line áã íÊã ÊÛííÑå æ áßäå æÖÚ Çá port at 4mm from the patch edge ßãÇ ÐßÑ Ýí ÇáÈÍË Úáì ÈÚÏ 10delta Y áßäå áã íåÊã ÈÑÓã ÈÞíÉ ÇááÇíä æÈÇáäÓÈÉ ááÞíãå ÇáÚÇáíÉ ÝÃäÇ ãÍÊÇÑ ÝíåÇ æáÇ ÃÝåã ÓÈÈåÇ æÇáÒíáÇäÏ íÚØí äÝÓ ÇáäÇÊÌ ÊÞÑíÈÇ¡ áßä ÚäÏ æÖÚ ÇáÊÛÐíÉ ÚäÏ ÍÇÝÉ ÇáÈÇÊÔ ãÈÇÔÑÉ Êßæä...
  9. A

    help to add new layer in XFDTD

    ãÑÍÈÉ ÃäÇ ÚÑÝÊß ãä ÇáãËÇá Çááí ÓÃáÊí Úäå áÃäå äÝÓ ãÓÃáÉ ãÓÚÏ ÃäÇ ÑÇãí Çááí ÃÚØíÊß ÚäæÇä ÇáãæÞÚ æ ÇáÍãÏááå Åäí ÚÑÝÊ ÃÝíÏß ÃäÇ ÈÍÇæá ÃÊÞä åÐÇ ÇáÈÑäÇãÌ ÈÚÏ ãÇ ÇáÒíáÇäÏ ÚÞÏäí æ ÃÍÈØäí æÈÍÇæá ÃÚãá ÃãËáÉ ãÓÚÏ Úáíå æ ÃãËáÉ ÃÎÑì. ÈÇáäÓÈÉ áãËÇá ÃÈæÒåÑå ¡¡ ÇáãËÇá ÇáÑÇÈÚ Ýí (ÇáíæÒÑ ÌÇíÏ) Çááí ãÚ ÇáÈÑäÇãÌ...
  10. A

    Help Radiation pattern "XFDTD"

    I want to calculate the radiation pattern at a specific frequency for example 9GHz. But far-zone data give me a list of frequencies for example (8.88 , 9.02 , 9.11 , 9.23 .....) but I want the radiation pattern at 9GHz exactly . How to choose the frequency I want
  11. A

    help to add new layer in XFDTD

    I think it is easy . if the 2nd substrate has the same properties as the 1st one you can make them one substrate. are you from menouf ?
  12. A

    help "Port in XFDTD"

    xfdtd I need help in XFDTD to define port for this example I attached the geometry file and the paper I don't know how and where the port must be to get accurate results Thank you
  13. A

    How to save the s-parameter results from XFDTD into .txt format to use them in Matlab

    I want to know , how can I save the s-parameter results from XFDTD into .txt format inorder to use them with matalab ??
  14. A

    Comparison of CST MW studio and Remcom XFDTD

    xfdtd abdoeng for what versions you give this comparison ?? Added after 11 minutes: is cst based on MOM or FDTD ??????!!
  15. A

    how do I use the biological materials in xFDTD?

    Can you help me to get the sfotware I need it but I didn't find any source on the internet
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