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hello to all
as you know, there are some methods to determine Complex permittivity such as measurements on the RLC Bridge, waveguide measurement, measurement in cavity resonators, measurement in free space and measurements on planar resonant structure.
i designed a ring resonator in hfss but how...
Hello to all
this matlab code was written to plot spiral antenna . and after import to cst
can anyone help what to do this
clear all
N = 10; % number of full turns;
step = pi/12; % discretization step (orig pi/6)
b = 0.3; % separation between turns in mm
a = b*step*4/(1-cos(step*4)); % offset...
hello
are u intend to measure S21 or coupling between recanglar antennas?
if it is possible ,upload some refrence papers that you read about this matter
in the HFSS book there is an exapmle about exciting patch antenna by probe,if u search in the internet,
easily can download this book, otherwise u can upload your file for detecting error
hello rntsay
thanks for reply
just a question
How we can improve the bandwidth of axial ratio(for circular polarization)
is it possible we reach 1GHz bandwith CP for this antenna?
hello all
i simulated this antenna in HFSS for circular polarization but the gain of antenna is negative? i intend ask a question whats the negative gain? gain is a positive quality
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