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Earth science
Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.
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Earth science > Remote sensing 
reflected IR
Earth science; Remote sensing
Electromagnetic energy of wavelengths from 0. 7mm to about 3mm that consists primarily of reflected solar radiation.
principal component analysis
Earth science; Remote sensing
The analysis of covariance in a multiple data set so that the data can be projected as additive combinations on to new axes, which express different kinds of correlation among the ...
f-stop
Earth science; Remote sensing
Focal length of a lens divided by the diameter of the len's adjustable diaphragm. Smaller numbers indicate larger openings, which admit more light to the film.
difference image
Earth science; Remote sensing
Image prepared by subtracting the digital values of pixels in one image from those in a secon image to produce a third set of pixels. This third set is used to form the ...
tie-point
Earth science; Remote sensing
A point on the ground which is common to two images. Several are used in the coregistration of images.
pushbroom system
Earth science; Remote sensing
An imaging device consisting of a fixed linear array of many sensors which is swept across an area by the motion of the platform, thereby building up an image. It relies on ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)