Active system: Difference between revisions
From Glossary of Meteorology
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{{ | |Definitions={{Definition | ||
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|Meaning=A [[remote sensing]] system that transmits its own [[electromagnetic energy]], then measures the properties of the returned [[radiation]]. | |||
|Explanation=Active systems require more [[power]] to operate than passive systems, but can be designed to have greater [[sensitivity]]. Examples of active systems are [[radar]], [[lidar]], and [[acoustic sounding|acoustic sounders]]. | |||
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Latest revision as of 22:14, 27 March 2024
A remote sensing system that transmits its own electromagnetic energy, then measures the properties of the returned radiation.
Active systems require more power to operate than passive systems, but can be designed to have greater sensitivity. Examples of active systems are radar, lidar, and acoustic sounders.