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

Range resolution

Earth science; Remote sensing

In radar images, the spatial resolution in the range direction, which is determined by the pulse length of the transmitted microwave energy.

Airborne imaging spectrometer (AIS)

Earth science; Remote sensing

Along-track multispectral scanner with spectral bandwidth of 0. 01 m.

Polarisation

Earth science; Remote sensing

The direction of orientation in which the electrical field vector of electromagnetic radiation vibrates.

The result of interpolation from values of a variable measured at irregularly distributed points, or along survey lines, to values referring to square cells in a rectangular array. It forms a step ...

Median philtre

Earth science; Remote sensing

A spatial filter, which substitutes the median value of DN from surrounding pixels for that recorded at an individual pixel. It is useful for removing random noise.