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单词 multispectral scanner
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multispectral scanner
multispectral scanner n. a remote sensing device which can measure reflected radiation at a number of wavelengths simultaneously, used esp. for aerial land surveying.
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1969 Proc. 6th Internat. Symp. Remote Sensing of Environment i. 22 The spectral region was divided into a set of channels which matched some of the University of Michigan's twelve-channel multispectral scanner.
1975 McGraw-Hill Yearbk. Sci. & Technol. 397/1 Density values from the visible red band of the multispectral scanner have been found to be the most generally useful.
1991 Geo Info Syst. Oct. 47/2 The same level of detailed wetland information..can be obtained using data from a high-resolution aircraft multispectral scanner.
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