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Recent content by winsonwhy

  1. W

    How to get reflection phase versus parameters for reflect array antenna in HFSS?

    Hi THBRock, Have you find out how to set incidence angle? We can set the incidence angle under "properties" of the defined slave boundary. Just go to "project manager" located on left hand side then find "boundaries" and double click on one of the name of the slave boundary that you have...
  2. W

    How to get reflection phase versus parameters for reflect array antenna in HFSS?

    Hi, Have you get your problem solved? I have try floquet port and wave port. To plot the reflection phase in HFSS, just go to "HFSS" -> "Results" -> "Create Modal Solution Data Report" -> "Rectangular Plot" after click on "Rectangular Plot" a new trace window will appear here you can configure...
  3. W

    10dB and 20dB Horn Antenna

    What kind of illumination that a rectangular horn antenna provide? Is the uniform illumination or the tapered illumination?
  4. W

    reflectarray simulation

    Thanks for sharing the method. I am just a beginner about floquet mode, still blur. Look like i need to spend more time to learn about floquet mode. Anyways really appreciate you. :)
  5. W

    reflectarray interested

    Thanks for the useful equation for phase distribution, you are so kind.
  6. W

    10dB and 20dB Horn Antenna

    Thanks everybody for reply, :) Azulykit you are correct, higher gain will have larger size. **broken link removed**
  7. W

    reflectarray interested

    Thanks for reply, yes... i mean the fixed directed beam. So how do you change the beam direction? Let say if we have a center feed horn illuminate the reflectarray from top, and the reflected field should form a beam on theta= 0 degree. So if we want to make the beam point to theta = 30 degree...
  8. W

    reflectarray simulation

    so how do you simulate the reflection phase for oblique incident wave in CST? I have simulate the reflection phase for normal incident wave in CST with a waveguide port on top and proper boundary condition, i have try to find a way to rotate the waveguide port in order to imitate the oblique...
  9. W

    10dB and 20dB Horn Antenna

    Thanks for explain. So which one of them is more suitable for use in design of reflectarray as the feed horn antenna? Any suggestion will be appreciate. :) Thanks again.
  10. W

    10dB and 20dB Horn Antenna

    Hi friends, :smile: Anybody know what are the differences between the 10dB horn antenna and the 20dB horn antenna? I am just a beginner in horn antenna stuff. I saw many company they are selling this two type of horn antenna. Somebody mind to share their knowledge on this? Thanks in advance!
  11. W

    Reflect Array Antenna on HFSS

    Re: wall .hfss Hi, What is the purpose of using symmetry plane and the symmetrical H wall, E wall? Thanks
  12. W

    reflectarray simulation

    Hi abdoeng, :-) Have you try to simulate the reflection phase for a single unit cell with oblique incident wave in CST? Thanks
  13. W

    reflectarray interested

    Hi abdoeng, : ) Did you try to scan the main beam of your DRA reflectarray away from the broadside direction for certain angle? Thanks.
  14. W

    Wondering what is "Goal Function value" in CST

    Hi, I'm trying to optimize the gain of my antenna to exceed the preset goal value say larger than 15dBi. Observed that each time when the optimizer successful optimized the antenna structure to have gain larger than 15dBi (optimization stop automatic) the goal function value will drop to zero...
  15. W

    Wondering what is "Goal Function value" in CST

    Thanks for reply. The goal function value that i mention is like the picture below, this value is show when the optimization is running, observe that it is not the goal (target).
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