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Search results with tag "Passive remote sensing"
Basics of Synthetic Aperture Radar - NASA
appliedsciences.nasa.govNational Aeronautics and Space Administration Applied Remote Sensing Training Program 7 . Active and Passive Remote Sensing . Passive Sensors: • The source of radiant energy arises from natural sources • e.g. the sun, Earth, other “hot” bodies . Active Sensors • Provide their own artificial radiant energy source for illumination • e.g.
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