Satellites

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.

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. ...