Sentences with phrase «radar beam»

Waves of vibrating electrons, freed by ultraviolet light from the sun, seem to be why radar beams bounce off the upper atmosphere

In fact, thanks to radar beams pinging off various solar - system bodies and to tracking of interplanetary spacecraft, the sun - Earth distance has been pegged with remarkable accuracy.

This one — standard on Denali and optional on SLT models — uses radar beams to keep high - tech eyes focused on the spots that yours may miss.

Rather than a radar beam, God was cloud by day and a pillar of fire by night; God's prophets spoke in pastoral rather than industrial imagery; God set the drama of redemption in the static three - story language of their universe rather than in the dynamic one - story language of our universe.

Instead the X-rays are Doppler - shifted, like a radar beam bouncing off a speeding car (the radar waves hit the gun more often if the car is moving toward the gun and less often if the car is moving away from the gun).

The spots appear blackbecause the radar beams that strike there are not scattered back towardthe spacecraft; rather, they bounce cleanly off into space.

Given HAARP's main goal of studying how signals are reflected, in the hopes of improving long - range communications, the station fires a radar beam to excite a localized patch of the ionosphere and uses passive devices in Gakona and elsewhere to examine the effects.

As the meteor broke apart, the radar beam bounced off the pieces.

In areas of heavy precipitation the signal is attenuated as indicated by the disappearance of the surface and anomalous returns extending below the surface caused by multiple scattering of the radar beam.

These instruments shoot a radar beam at the surface of the ocean and measure the time it takes to bounce back.

But the Bosch transceiver does the equivalent of a basketball highlights reel trick shot: It bounces a radar beam off the roadway under the car in front, off the car ahead of the car in front, then backwards under the car in front to your transceiver.

The system lets you set a desired speed, then constantly scans the road ahead with a radar beam.