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Recent content by Avia

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    Ask for help: An electrically small antenna

    Another question, Can I simulate an antenna by using HFSS when its working frequency is some lower.(e.g.30MHz) I mean that when the work frequency is 30MHz, whether the simulation accuracy of HFSS still can be assured? Thanks a lot
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    looking for the input impedance of antenna in HFSS

    Hi, everybody, I have a question to ask, When simulating an antenna , does HFSS calculate its input impedance? where can I find the input impedance under a certain frequency in HFSS? Thanks a lot
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    Antenna excitation in HFSS

    Thank you very much, everyone. I got it.
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    Ask for help: An electrically small antenna

    You helped me a lot, Peter, I really appreciated it. The antenna is narrowband and expected to work at 30MHz, so the efficiency is more important. I will looking for the antenna you provide me and consider which will be the better one. Added after 7 minutes: Some design can be...
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    Antenna excitation in HFSS

    Thank you very much, costox. It's not a pdf but a hfss file. So before opening it, pls delete the suffix".pdf".
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    Ask for help: An electrically small antenna

    electrically small structure Recently, I engaged in designing an electrically small antenna with input impedance of 50Ω and the working frequency is 30MHz. The length of the antenna is expected to be about 30cm, I tried TEM horn but found the S11 is too poor. Is there anybody who can provide...
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    An electrically small antenna

    Would anybody provides me an electrically small antenna with input impedance of 50Ω? Thanks a lot.
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    An electrically small antenna?

    Would anybody provide me an electrically small antenna with input impedance of 50Ω? Thank you very much!
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    Antenna excitation in HFSS

    Thanks a lot. I have another question, you know that when simulating antenna in HFSS, we need to set a radiation boundary(e.g. A air box enclosing the radiation objects). The lumped port set in the air box will contact the air on one side and contact the radiation object(e.g. TEM antenna) on...
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    Antenna excitation in HFSS

    Hi, everyone, I'm confused by a problem these days and I hope that you can help me. I want to investigate the return loss of a TEM horn by using HFSS, while the impedance of the feeding line is supposed to be 50Ω. Do I need to describe the concrete feeding structure in HFSS when doing...
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