High quality testing requires significantly higher polarization purity of the system in which the antenna is being tested than of the test object itself.
Examining cross-polar accuracy, this white paper explores the role of the measurement system on cross polarization and how the GO affects measurements of large antenna systems or off-set antennas, rendering cross-polar discrimination complex.
Research to improve polarization performance in a single-reflector CATR has delivered a viable solution in a wide-band dual-polarized conjugate-matched CXR feed.
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