Sentences with phrase «radar waves off»
Interferometric Synthetic Aperture Radar — A proposed satellite - based monitoring system that, if funded, will track the movement and deformation of the North American and Pacific plates by bouncing radar waves off the surfaces.
http://discovermagazine.com/ Not exact matches
Total rainfall over an area is generally calculated indirectly, by using a Doppler radar that bounces electromagnetic waves off the raindrops.
Waves of vibrating electrons, freed by ultraviolet light from the sun, seem to be why radar beams bounce off the upper atmosphere
Radar works by sending out radio waves that reflect off particles in the atmosphere, such as raindrops or ice or even insects and dust.
Instead the X rays are Doppler - shifted, like aradar beam bouncing off a speeding car (the radar waves hit the gunmore often if the car is moving toward the gun and less often if thecar is moving away from the gun).
The instrument sends down radar waves, which reflect off of the ice surface, layers inside the ice sheet and bedrock back to the instrument, giving researchers a three - dimensional view.
The radar waves bounced off the rock beneath the ice; returning echoes yielded this contour map of peaks and valleys as well as hundreds of miles of interconnected subglacial lake systems.
In July, the Office of Naval Research made a survey in the waters off Virginia Beach, Virginia using ScanEagle UAVs to study the effect of oceanic and atmospheric changes on radar and radio waves, with the aim of improving military communications and the ability of radar to detect hostile craft..
After more than two centuries of being «off the biological radar», scientists have now confirmed that the feral cat is the biggest single threat driving the second great extinction wave that's sweeping across Australia.
Radar altimeters work by bouncing radio waves off the terrain below and measuring how long they take to return to the spacecraft.
As to the comment of storm life cycle I am speaking of having absolute Doppler radar images of he storms from the development of the tropical wave off the Cape Verde islands to it eventual termination as a tropical storm somewhere in the Mid-North Atlantic maritime regions.