Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Contributors in Satellites

Satellites

An Earth satellite orbit in which the satellite remains in a fixed position over a geographic location on the Earth. This requires that the orbital plane be in the same plane as the equator, and that ...

black body

Aerospace; Satellites

An ideal body which, if it existed, would be a perfect absorber and a perfect radiator, absorbing all incident radiation, reflecting none, and emitting radiation at all wavelengths. In remote ...

mosaic

Aerospace; Satellites

An image or photograph made by piecing together individual images or photographs covering adjacent areas.

ratio image

Aerospace; Satellites

An image prepared by processing digital multispectral data. For each pixel the value for one band is divided by that of another. The resulting digital values are displayed as an image. The term ...

spatial filter

Aerospace; Satellites

An image transformation, usually a one-to-one operator used to lessen noise or enhance certain characteristics of the image. For any particular (x,y) coordinate on the transformed image, the spatial ...

optical axis

Aerospace; Satellites

An imaginary line drawn directly through the optical center of the camera lens to the geometric center of the film. For Landsat ETM+, TM, or MSS imagery, the point in the image where geometric ...