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

backscatter coefficient

Earth science; Remote sensing

A quantitative measure of the intensity of energy returned to a radar antenna from the terrain.

geostationary

Earth science; Remote sensing

Refers to satellites traveling at the angular velocity at which the earth rotates; as a result, they remain above the same point on earth at all times.

aperture

Earth science; Remote sensing

Opening in a remote sensing system that admits electromagnetic radiation to the film in radar systems.

rough 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 rough or intermediate fashion.

non-selective scattering

Earth science; Remote sensing

The scattering of EM energy by particles in the atmosphere which are much larger than the wavelengths of the energy, and which causes all wavelengths to be scattered equally.