Remote sensing

Remote sensing

The process of using aerial sensor technologies to detect and classify objects on Earth both on the surface, and in the atmosphere and oceans by means of propagated signals.

Industry: Earth science

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Remote sensing

Negative photograph

Earth science; Remote sensing

Photograph on film or paper in which the relationship between bright and dark tones is the reverse of that of the features on the terrain.

Depolarized

Earth science; Remote sensing

Refers to a change in polarisation of a transmitted radar pulse as a result of various interactions with the terrain surface.

Flight path

Earth science; Remote sensing

Line on the ground directly beneath a remote sensing aircraft or space craft. Also called flight line.

Ground resolution cell

Earth science; Remote sensing

Area on the terrain that is covered by the IFOV of a detector.

Slant range

Earth science; Remote sensing

In radar, an imaginary line running between the antenna and the target.

A colour image where parts of the non-visible EM spectrum are expressed as one or more of the red, green, and blue components, so that the colours produced by the Earth's surface do not correspond to ...

Radiant temperature

Earth science; Remote sensing

Concentration of the radiant flux from a material. Radiant temperature is the kinetic temperature multiplied by the emissivity to the one-fourth power.