Sentences with phrase «frequency radar altimeter»
Not exact matches
Microwave radars of the European Remote - Sensing Satellites (ERS), radiometers of the Defense Meteorological Satellite Program (DMSP) and the dual - frequency altimeter TOPEX - POSEIDON have shown their ability to improve the description and location of storms, especially in the case of tropical cyclones for which very few traditional observations exist.
http://cersat.ifremer.fr/
They use dual - band radar altimeters, two different frequencies which should be slowed down by water vapor by a different amount.