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9 Cards in this Set
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remote sensing |
science behind obtaining info about objects or areas from a distance |
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history of remote sensing |
1860s-balloons 1900s-kites/pigeons ww1/dustbowl-airplanes coldwar- u2 ultra high altitude plane |
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modern remote sensing |
meteorological satellites •landasat development of multiband sensors |
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fundamentals of remote sensing |
•sensors passive-detects natural energy reflected active -provide energy to be reflected •platform ground based aerial satellite
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electromagnetic radiation |
kinetic energy emitted mainly from sun |
type of energy from where |
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irradiance |
visible part of suns energy |
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radiance |
how much light a detector is receiving |
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%reflectance |
radiance / irradiance |
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factors affecting spectral reflectance |
material structure and density physical state |
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