Earth science

Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Remote sensing

cross-track scanner

Earth science; Remote sensing

Scanner in which a faceted mirror rotates about a horizontal axis to sweep the detector IFOV in a series of parallel scan lines oriented normal to the flight direction.

normal color film

Earth science; Remote sensing

Film in which the colors are essentially true representations of the colors of the terrain.

calibration

Earth science; Remote sensing

Process of comparing an instrument's measurements with a standard.

classification

Earth science; Remote sensing

Process of assigning individual pixels of an image to categories, generally on the basis of spectral reflectance characteristics.

Doppler principle

Earth science; Remote sensing

Describes the change in observed frequency that electromagnetic or other waves undergo as a result of the movement of the source of waves relative to the observer.