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Recent content by llchuan

  1. L

    how to feed a cylindrical microstrip

    how about the shape of the waveport? can I use a rectangle waveport in this case?
  2. L

    how to feed a cylindrical microstrip

    hi the cylinder is a hollow cylinder with fr4 substrate and outer layer ground. the microstrip is in the inner side of the cylinder, running parallel along the cylinder.
  3. L

    how to feed a cylindrical microstrip

    hi may i know how to feed a microstrip in a cylinder?Should I use waveport or lumped port?and also what is the shape of the port since the microstrip is on a cylindrical substrate?
  4. L

    cylindrical substrate

    Hi Can anybody help me to choose a suitable substrate that can be bent to form a cylinder. The operating frequency is 5.8GHz.
  5. L

    how to transform a planar antenna to conformal using hfss

    Hi I have designed a planar microstrip antenna and I wish to find out are there any ways to bend it to form a cylinder using hfss
  6. L

    circular polarization using circular slot waveguide

    what kind of slot can I use to generate circular polarized waves from a circular waveguide?
  7. L

    help for slotted waveguide array

    Re: How to design slotted waveguide array Hi im also interested to find out the theoretical way of calculating the size and length of slots in a circular slot waveguide, and the waveguide equivalent circuit showing the impedance of the slots. Is there any revelant books or websites i can start...
  8. L

    circular waveguide excitation

    hey thanks for the reply do you mean setting the boundary to perfect h? can you post a sample for me to refer to?
  9. L

    circular waveguide excitation

    hi im quite new to hfss and got a few questions here how can i excite a tm01 mode in a circular waveguide using hfss? I have tried setting both ends to waveport but Im not sure of what to do next can anyone pls enlighten me?
  10. L

    TE01 mode in circular waveguide

    te01 mode hi all i'm simulating a circular waveguide using hfss that has a T slot in order to generate a circular polarized wave. However I need 2 excitations that can excite both slots. I'm thinking of using TE01 and TM01 mode to do so. However i have read that it is nearly impossible to...
  11. L

    Looking for good reference book on slot antennas

    slot antennas May I know if there is any good reference books on slot antennas?

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