Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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Exploring the Benefits of Active vs. Passive Spaceborne Systems

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December 18, 2013

Exploring the Benefits of Active vs. Passive Spaceborne Systems

By Simon Hennig, application development manager, Astrium Services, GEO-Information (www.astrium-geo.com), Friedrichshafen, Germany. A growing number of commercial Earth observation satellite platforms can be divided into two classes: active sensors and passive sensors. It’s important to understand the difference between these systems to select the most appropriate type of imagery for your applications. Passive sensors, often