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Search results with tag "Active remote sensing"
REMOTE SENSING AND GIS (A70140)
www.iare.ac.in4. Passive/ Active Remote Sensing Depending on the source of electromagnetic energy, remote sensing can be classified as passive or active remote sensing. In the case of passive remote sensing, source of energy is that naturally available such as the Sun. Most of the remote sensing systems work in passive mode using solar energy as the source of
Active and Passive Remote Sensing
www.edc.uri.edu1 Active and Passive Remote Sensing Passive remote sensing systems record EMR that is reflected (e.g., blue, green, red, and near-infrared light) or emitted (e.g., thermal infrared energy) from the surface of the Earth. Active remote sensing systems are not dependent on the Sun’s EMR or the thermal properties of the Earth.