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Recent content by sonia raj

  1. S

    want help with ports in cst microwave studio

    yes...thank you..
  2. S

    want help with ports in cst microwave studio

    should i fix the marker at 3 db?the horizontal one
  3. S

    Axial ratio bandwidth measurement

    hello everyone,i have obtained the curve of axial ratio Vs frequency for circularly polarized micro strip antenna..but with the help of this curve how to measure the exact axial ratio bandwidth...do i take reference at 3 dB? suggestions are welcome...... thanks, sonia
  4. S

    want help with ports in cst microwave studio

    i have obtain the curve for axial ratio vs frequency and from curve it is clear that the bandwidth is increased bt how to measure the exact bandwidth?
  5. S

    want help with ports in cst microwave studio

    yes.thnk you very much.. this time no warning message bt one thing more...how to measure axial ratio banddwidth?
  6. S

    want help with ports in cst microwave studio

    hey here is my project file please check and solve my problem...the error message is a big problem
  7. S

    want help with ports in cst microwave studio

    for circular polarization one is at 0 degree and the second one is with phase difference of 90 degree with another one.
  8. S

    want help with ports in cst microwave studio

    johnjoe, what it means ?actually i am not getting your answer?please explain.. thank you....... - - - Updated - - - johnjoe, what it means ?actually i am not getting your answer?please explain.. thank you.......
  9. S

    want help with ports in cst microwave studio

    ya sure...i have obtained the curve of axial ratio vs frequency...but the error message in message window is still there..i m enclosing my all result here... thank you - - - Updated - - - additional and error message is "Unormalized balance is not available and radiation efficiency and gain...
  10. S

    Circuit building s/w

    you can go for short duration courses of embedded, VLSI/vhdl and PLC. From there u will learn the new concept and designing and will able to build your circuits by yourself.
  11. S

    want help with ports in cst microwave studio

    dear johnjoe thank you very much for help.. hello all, now i am trying to calculate axial ratio vs frequency curve in template based postprocessing..if i am checking it separately at 5.8 GHz then the axial ratio is around 0.95 but at various frequency it is not giving the appropriate...
  12. S

    want help with ports in cst microwave studio

    hello all, i have designed square patch microstrip antenna at 5.8 GHz frequency using single feed...after that i have use two feed and i got the proper impedance matching at both the ports but i m bit confused with do i excite both the port same time?..actually i am getting two results for each...
  13. S

    dual feeding in a single patch

    zorro, here is the url of my design and rest i have tell u in msgs please check.. https://obrazki.elektroda.pl/4374353400_1397625052.png thanks
  14. S

    dual feeding in a single patch

    yes there is two ports ..and m exciting these separately...what to do please tell me vertical scale is showing axial ratio.. and here are the plots of directivity.
  15. S

    dual feeding in a single patch

    okk...i am enclosing my results here for axial ratio. farfield axial ratio for 1st radiated field farfield axial ratio for 2nd radiated field now tell me how these are circularly polarized?? thanks
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