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

anomaly

Earth science; Remote sensing

An area on an image that differs from the surrounding, normal area. For example, a concentration of vegetation within a desert scene constitutes an anomaly.

image striping

Earth science; Remote sensing

A defect produced in line scanner and pushbroom imaging devices produced by the non-uniform response of a single detector, or amongst a bank of detectors. In a line-scan image the stripes are ...

system

Earth science; Remote sensing

Combination of components that constitute an imaging device.

cathode ray tube (CRT)

Earth science; Remote sensing

A vacuum tube with a phosphorescent screen on which images are displayed by an electron beam.

smooth criterion

Earth science; Remote sensing

In radar, the relationship between surface roughness, depression angle, and wavelength that determines whether a surface will scatter the incident radar pulse in a smooth or intermediate fashion.

An imaging device based on a sheet of transparent material whose electrical conductivity increases with the intensity of EM radiation falling on it. The variation in conductivity across the plate is ...