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Aerospace
Industry that includes methods of travel and spacecraft for navigating the air or space.
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Aerospace > Satellites 
Greenwich mean time
Aerospace; Satellites
Mean solar time of the meridian of Greenwich, England (known as the prime meridian, longitude 0°), used by most navigators and adopted as the prime basis of standard time ...
radiance
Aerospace; Satellites
Measure of the energy radiated by an object. In general, radiance is a function of viewing angle and spectral wavelength and is expressed as energy per solid angle.
spectral striping
Aerospace; Satellites
Non-uniform detector-to-detector variations that are due to different spectral responses of the adjacent detectors. Spectral striping is rarely considered a problem within a ...
normalized difference vegetation Index (NDVI)
Aerospace; Satellites
NDVI is the most commonly used vegetation index for satellite imagery. The difference in reflectance from the near infrared and red bands is divided by the sum of the two ...
ground truth/ground observations
Aerospace; Satellites
Observations made on the ground at a site that is being imaged from space for the purpose of verifying either the absolute radiometric and/or geometric calibration of the imagery ...
scan line corrector-off (SLC-off)
Aerospace; Satellites
On May 31, 2003, the Scan Line Corrector (SLC), which compensates for the forward motion of Landsat 7, failed. Subsequent efforts to recover the SLC were not successful, and the ...
primary color
Aerospace; Satellites
One of the three colors, either additive (blue, green, and red) or subtractive (cyan, yellow, and magenta) that may be combined to produce the full range of colors.
Sub-categories
- Control systems (1744)
- Satellites (11359)
- Space flight (8863)
- Space shuttle (354)