Abstract
We experimentally research linear polarization characteristics of various
terrains at millimeter wave band for image interpretation. We measure and discuss
the polarization phenomena, and consider as well the incident angle which also
affects terrain radiometric temperature. An economic single-channel radiometer is
used in measurements, and changes to the linear polarization are produced by
manually rotating its waveguide. We demonstrate that the characteristic in
polarization is a decisive advantage of terrain identification in ways beyond that
which can be achieved using an intensity radiometer alone.
© 2014 Chinese Optics Letters
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