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I am using L-shaped probe to achieve circular polarzation but when polarization is achieved correctly s-11 is badly hurt.
kindly suggest to achieve both results simultaneously and correctly.target is to get s-11 about -15 dB and axial ratio upto 3 dB.??
thanks in advance.
conical horn boundary conditions
What boundary conditions should be used to get correct results for axial ratios as well as s-11 parameters.
kindly guide if any one knows?
Hi,
I am designing conical horn antenna on Ansoft HFSS. Kindly guide if there is any relation between these two because when one improves other gets disturbed. kindly provide with relevant equation so i may get correct results. My demand is to get -15 dB (s-11 parameters) and upto 3dB axial...
design horn antenna. hfss
Hi,
Please help me for getting right results in HFSS:
Q1 how to feed a conical horn antenna and what is the right position to feed?
Q2 what changes should be made in design and material for feeding to achieve appropriate results ?
Q3 how to acheive circular...
hi,
kindly if any knows the formula used for conical waveguide used in conical horn antenna.
please inform me if rectangular waveguide's formula is applicable to it????
also please mention the reference from where you are coding the formula.
thanks.
Hi,
i am getting elliptical polarization in result of HFSS simulation of a conical horn antenna. i want to give it circular polarization,please help me how to acheive it as i dont know how to define modes as i was told to use TE 01 mode.
kindly look into the matter and help me acheive the...
horn antenna+circular polarization
Hi,
I am an amateur antenna Design Engineer. Please guide me as i want to acheive circular polarization in case of conical horn antenna. Kindly guide with mentioning reference of text if possible.
Thanks.
Hi,
I want to know the practical positioning of waveport for feeding purposes.
I am using Ansoft HFSS software for the design of conical horn antenna.Software is giving desired results if feed is applied at the bottom of bottom of waveguide.
But i think so that
In practical case feed is to be...
formula of cutoff frequency
Hi,
I want to know if the formula used for calculation of rectangular waveguide cuttoff frequency applicable to circular waveguide????
formula for cutoff frequency
F=c/2a
c is velocity of light
a is dimensions of waveguide
Another formula is...
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