circular polarization

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kishorekumar_ms

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hi frns,

How to confirm the polarization of microstip antenna is whether right handed circular polarization or left handed circular polarization.... i mean by observing which parameters or graghs can we say the type of circular polarization that antenna is radiating...

curiously waiting 4 ur repliesss,
kishore.
 

to confirm CP

•using network analyzer
•illuminate with a known cp antenna
•reverse the polarization of this known cp antenna
•compare signal strengths of various polarizations

or go the more diificult route/ time consuming
•record amp & phase of AUT
•generate FF patterns using appropriate techniques
•generate patterns for both LH and RH
•compare patterns

Added after 1 minutes:

also per definition if you have access to the feed points and how those are fed i.e. phase you can easily define CP
 
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