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Recent content by skymaster

  1. S

    Setting for frequency domain solver in CST?

    Hi to all! I've simulated one antenna with time domain solver... If I simulate the same with frequency doaim solver the results are not the same. I've tried to increase the mesh and the number of frequency points. But there are always 2dB of difference on the amplitude response. Do you have any...
  2. S

    Complex numbers in UserDefined function in CST MW

    Hello how can I define complex number in VBA user defined function in CST? Bye
  3. S

    EgineMode Dispersion Diagram with Open or PML Boundary

    Hi to all, I want to get a dispersion diagram of a periodic structure where one side should be radiation boundary.How can I get that with CST or HFSS by using the eigenmode solver that don't support,both, radiation(PML) or open add space boundary? I should use an air box on the top. How...
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    Antenna Coupling measurement in a noisy environment.

    Thanks but this is not possible since it is already installed. I was thinking: 1)Increase the power of the signal coming from pna to put the external signal in the noise floor 2)measure outside left and right not occupied frequencies and then interpolate something better?
  5. S

    Antenna Coupling measurement in a noisy environment.

    Hi all, I've to measure the mutual coupling among two antennas in FM broadcast band with a network analyzer. How can I get rid of the signals coming from the repeater and consider only the signals coming from PNA? thaks sky
  6. S

    Parameter Seep with Planae Wave Source in CST?

    Hi in CST MW. I have a plane wave impinging over an antenna with discrte port. The output at the antenna port is a F parametr called normalized spectrum. The angle of incedance of the plane wave varies in parameter sweep and I want to get the F parameter at the antenna port. It works for a...
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    SMA2SMP Adapter: TRL or Time Gating?

    time domain trl Hi to All! I have a Vector Network Analyzer with two SMA cable. The DUT has two GPO or SMP Female connector Female so I have to use SMA2SMP(Male) adapter on both port 1 and 2. I have to de-embend the adaptor so that I measure the S parameters of the DUT only. I have no SMP cal...
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