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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
ground track
Aerospace; Satellites
The vertical projection of the actual flight path of an aerial or space vehicle onto the surface of the Earth.
spectral interval
Aerospace; Satellites
The width, expressed either in wavelength or frequency, of a particular portion of the electromagnetic spectrum. A given sensor, such as radiometer detector or camera film, may be designed to measure ...
real time
Aerospace; Satellites
Time in which the recording of an event is simultaneous with the event. The real time of a satellite is that in which it simultaneously reports on its environment as it encounters it.
modulate
Aerospace; Satellites
To vary, or control, the frequency, phase, or amplitude of an electromagnetic wave or other variable.
brightness range
Aerospace; Satellites
Variation in light intensity from maximum to minimum. This generally refers to a subject to be imaged or photographed.
vegetation index (VI)
Aerospace; Satellites
A vegetation index is a quantitative measure used to measure biomass or vegetative vigor, usually formed from combinations of several spectral bands, whose values are added, divided, or multiplied in ...
elevation
Aerospace; Satellites
Vertical distance from the datum, usually mean sea level, to a point or object on the Earth's surface. Not to be confused with altitude, which, refers to points or objects above the Earth's surface. ...
