Terms by letter

All terms | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

passive microwave

A system sensing only microwave radiation emitted by the object being viewed or reflected by the object from a source other than the system. Source: NASA (http://earthobservatory.nasa.gov/Glossary)