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Remote Sensing: SAR, GPS, Sonar, Lidar, and Radar
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Remote sensing is the process of gathering information from a distance using sensors that detect and record energy signals. This video will show you how five remote sensing technologies work: SAR (Synthetic Aperture Radar), GPS (Global Positioning System), Sonar (Sound Navigation and Ranging), Lidar (Light Detection and Ranging), and Radar (Radio Detection and Ranging).
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