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

Scattering coefficient curves

Earth science; Remote sensing

Display of scatterometer data in which relative backscatter is shown as a function of incidence angle.

Resolving power

Earth science; Remote sensing

A measure of the ability of individual components. and of remote sensing systems, to separate closely spaced targets.

Radiation

Earth science; Remote sensing

Propagation of energy in the form of electromagnetic waves.

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.

Albedo (A)

Earth science; Remote sensing

Ratio of the amount of electromagnetic energy reflected by a surface to the amount of energy incident upon it.

Geostationary

Earth science; Remote sensing

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