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Recent content by B4M

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    On the use of 'operator' term!!

    Hello! I would like to know if I have Y a symmetric operator, can I say tha the matrix Y is symmetric implicitly?! Thank you!
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    What is the effect of bodies discretization on the electromagnetic interactions?!

    Hello! I would like to know the effect of bodies discretization on the electromagnetic interactions?! it well known that its produces more accurate results , but I need to have an explanation with formulas if it is possible or referring some good books where I can find an aswer. thank you very...
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    Any conditions or prerequisites on simultatin dielectric objects ?!

    Hello! no actually I am considering a lossless dielectric which means dielectric constant is a constant
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    Any conditions or prerequisites on simultatin dielectric objects ?!

    Thank you ! I need to know why the use of a complex frequency ? and let consider we are follow up with that sentence how should I define the resonance frequency should I say Fr = 7+0.14i ghz ???!
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    Any conditions or prerequisites on simultatin dielectric objects ?!

    hello , i would like to simulate a design of a dielectric object , and while I am gathering documentation I have read that "the resonance frequency of a dielectric must be complex " , could you please comment on that because it is not clear for me , and if there is any other prerequisites I...
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    how calculate the dimensions of a patch antenna

    Dear Suo, I believe you forgot to uploaded the figure. for your question, I would suggest that you calculate the wavelength for the frequency of interest, then adapt the design using the obtained wavelength lambda (you can use lambda or lambda /2 or lambda/4 as you prefer ). Best regards!
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    Coaxial feed of a microstrip antenna

    Dear all, please find in this link a tutorial for the coaxial feedline. Best regards! https://www.youtube.com/watch?v=Md-UeD6iWxs
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    [SOLVED] how to read the content of a dll file?

    Hello! Yes I wanted to get the exported functions
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    help with derivation of "RWG basis function is divergence conforming "????

    Hello! I am willing to implement the MoM and I would like o get some help of how the property that says that RWG basis function is divergence conforming, in other words how to get the formulas in the attached picture? Many thanks!
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    [SOLVED] how to read the content of a dll file?

    hello! I would like to know how I can read or extract the content of a dll file which I have found whitin a matlab code? Thank you for any suggestion! Best wishes! - - - Updated - - - I have tried dotPeek and it gives dll file not supported, while when using Reflector it says that it is not a...
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    How to compute the electric field inside a dielectric volume?!

    still don't understand ....the fact that there is no free charges in dielectrics is confusing me!
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    How to compute the electric field inside a dielectric volume?!

    Dear all! I would like to compute the electric field inside a dielectric volume? How should I do it? is it possible to use the capacitor model? (any references ..... please highlight them they are very needed :roll: ) Kind regards!
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    [SOLVED] PIFA is it about the antenna shape or the short?

    Dear anilkrpandey , please find attached the antenna design. Thank you!
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    [SOLVED] PIFA is it about the antenna shape or the short?

    Hi! I have decided to design a PIFA antenna as it gives an omni-directional pattern, and I wanted to know if I make a design with a short and a feed could it still be called a PIFA ?! Thank you
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    Anti-resonance!! is it ever useful?! when?!!

    Thank you very much for your replies, one more question: how can we call an anti-resonance as a constructive / or deconstructive for the antenna radiation ?

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