detector

By admin_wla | Tue, 4 Feb 2014 - 12:13
A device in a radiometer that senses the presence and intensity of radiation. The incoming radiation is usually modified by filters or other optical components that restrict the radiation to a specific spectral band. The information can either be transmitted immediately or recorded for transmittal at a later time. Source: NASA (http://earthobservatory.nasa.gov/Glossary)