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- W1973234269 abstract "This paper presents our group's most recent passive millimeter-wave (MMW) measurements made using a 94-GHz Stokes-vector radiometer. Included are images and analyses of treeline data. These data were collected to investigate the possible use of passive MMW sensors to perform the helicopter collision avoidance task. The treeline data presented were collected in both the summer and winter. The results of the analysis show that in the winter the detection of the treeline can be straightforward because of an often-low horizon sky brightness temperature. The contrast between the tree branches and the horizon are seen in the data to be about 10 - 15 K. The summer case, however, shows a horizon sky-to-tree brightness temperature ratio of about 1. A simple statistical analysis of the summer image shows that the trees, in our case, can be distinguished from the horizon sky based upon the statistical parameters alone." @default.
- W1973234269 created "2016-06-24" @default.
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- W1973234269 date "2002-07-25" @default.
- W1973234269 modified "2023-10-03" @default.
- W1973234269 title "Polarimetric radiometry of natural scenes" @default.
- W1973234269 cites W2098256107 @default.
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- W1973234269 doi "https://doi.org/10.1117/12.477463" @default.
- W1973234269 hasPublicationYear "2002" @default.
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