Muth, L.
(2009),
Nonlinear calibration of polarimetric radar cross section systems, AMTA 2009, Salt Lake City, UT, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=903029
(Accessed December 12, 2024)
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Nonlinear calibration of polarimetric radar cross section systems
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Author(s)
Abstract
Polarimetric radar cross section systems are characterized by polarimetric system parameters $\epsilon_h$ and $\epsilon_v$. These parameters can be obtained with the use of rotating dihedrals. The full polarimetric dataset as a function of the angle of rotation can be analyzed with a nonlinear set of calibration equations to yield the system-parameter complex constants and the four polarimetric calibration amplitudes. These amplitudes appropriately reproduce the system drift and satisfy a drift-free system configuration criterion very accurately. The results indicate that the nonlinear approach is better than the previously studied linear approach, which yielded system parameters that are seriously distorted by drift.Proceedings Title
AMTA 2009
Conference Dates
November 1-6, 2009
Conference Location
Salt Lake City, UT
Conference Title
2009 Antenna Measurement Techniques Association (AMTA) Symposium
Pub Type
Conferences
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Keywords
drift, nonlinear polarimetric calibration, polarimetric system parameters, radar cross section, reproducibility
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Created November 4, 2009, Updated June 2, 2021