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Recent content by aoweis

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    Combining the phase of two waves with different polarizations

    For any antenna, we have two components of the electric field in the far field region Eθ and EΦ. Both components are complex: they have magnitude and phase. We can get the magnitude of the total electric field using Pythagoras. My question is: how can we get the phase of the total electric...
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    Phase reference of Etheta in HFSS

    HFSS Phase Reference for rE_theta In HFSS, I built a half wave dipole and placed the radiation box at lambda/4 from the dipole edges. From far field reports, I created the radiation pattern for the Real and Imaginary rEθ. Theoretically, at Φ=0° and θ=90°, Eθ is given by: so rEθ should be...
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    [SOLVED] Received voltage at antenna terminals in HFSS

    I used HFSS solver and it worked. Thanks sv1437.
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    HFSS Phase Reference for rE_theta

    In HFSS, I built a half wave dipole and placed the radiation box at lambda/4 from the dipole edges. From far field reports, I created the radiation pattern for the Real and Imaginary rEθ. Theoretically, at Φ=0° and θ=90°, Eθ is given by: so rEθ should be: I understand that the magnitude of...
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    [SOLVED] Received voltage at antenna terminals in HFSS

    Thanks sv1437. Do I need to use a specific solver (HFSS versus HFSS-IE) to get correct results?
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    [SOLVED] Received voltage at antenna terminals in HFSS

    Hello all, I hope someone can help me with this problem. Using HFSS, I need to simulate an incident plane wave on an antenna array and measure the voltage at each antenna terminal. Any idea how to do this? I was able to add a plane wave excitation but then how can I measure the voltage at the...
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    Deducing Feed line length and port impedance

    I'm trying to replicate a microstrip antenna in one of the papers using HFSS. All dimensions are shown except the length of the main feed line. The paper shows the resulting Z and S11 curves but it does not say the length of the feedline. I'm assuming the port will have a 50 ohm impedance...
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    Flxible Substrate for antenna or RF circuit design

    This link provides a list of soft substrate materials: https://www.microwaves101.com/encyclopedias/soft-substrate-materials The below papers on IEEE discuss flexible systems that might be of interest to you. [1] S. Lemey, S. Agnessens, P. V. Torre, K. Baes, J. Vanfletern and H. Rogier...
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