20 Terms
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Satellites
Of or relating to any man-made object launched to orbit Earth or another celestial body.
Industry: Aerospace
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Satellites
quantization level
Aerospace; Satellites
The number of numerical values used to represent a continuous quantity.
zenith
Aerospace; Satellites
The point in the celestial sphere that is exactly overhead. Contrast with nadir.
apogee
Aerospace; Satellites
The point in the orbit of a heavenly body, especially of a manmade satellite, at which it is farthest from the Earth.
perigee
Aerospace; Satellites
The point in the orbit of heavenly body, especially of a man-made satellite, at which it is nearest the Earth.
focal point
Aerospace; Satellites
The point toward which light rays converge to form an image after passing through a lens or having been reflected by mirrors. The condition of sharpest imagery.
pan-sharpening
Aerospace; Satellites
The practice of using Landsat 7’s 15 m panchromatic band in conjunction with the other 30 m spectral bands to increase the apparent resolution of a multiband (color) Landsat 7 image to 15 m.
thermal infrared
Aerospace; Satellites
The preferred term for the middle wavelength ranges of the infrared region extending roughly from 3 µm at the end of the near infrared, to about 15 or 20 µm where the far infrared commences. In ...
