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

Radar

Aerospace; Satellites

Short for "radio detection and ranging," radar sends out short pulses of microwave energy and records the returned signal's strength and time of arrival.

Digital

Aerospace; Satellites

Representation of data in the form of discrete bits, or equal integral units. Contrast to analog.

Raster

Aerospace; Satellites

Refers to the two-dimensional array of pixels in an image.

The process by which electromagnetic radiation (EMR) is assimilated and converted into other forms of energy, primarily heat. Absorption takes place only on the EMR that enters a medium, and not on ...

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.

Radiation

Aerospace; Satellites

The process by which electromagnetic energy is propagated through free space by virtue of joint undulatory variations in the electric and magnetic fields in space. This concept is to be distinguished ...

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 ...