News tagged with radar systems
Inventor of first wireless TV remote control dies at 96
Eugene Polley, who in 1955 invented the first wireless remote control for television, has died of natural causes, his longtime employer Zenith Electronics said Tuesday. He was 96.
May 22, 2012 |
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NRL RAIDS experiment advances ionospheric remote sensing
Naval Research Laboratory scientists have obtained a first-ever measured altitude profile of a dim extreme-ultraviolet terrestrial airglow emission that provides vital information needed to test and improve ...
Space & Earth / Earth Sciences
May 18, 2012 |
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Darpa seeks technology to see through clouds for warfighter support
Advanced, flyable electronics and scene simulation technology sought for video synthetic aperture radar
Space & Earth / Earth Sciences
May 02, 2012 |
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Seeing inside the nose of an aircraft
Radio signals reach pilots on board an aircraft through the "radar dome", the rounded nose of the aircraft. But if errors occur during the production of this "nose", - tiny foreign particles, drops of water ...
Apr 26, 2012 |
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Researchers take first-ever measurement of auroral turbulence using a nanosatellite radar receiver
Researchers from SRI International and the University of Michigan have taken the first-ever measurement of naturally occurring auroral turbulence recorded using a nanosatellite radar receiver. The research was done with support ...
Space & Earth / Space Exploration
Mar 22, 2012 |
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New holographic radar system can track high speed shells
(PhysOrg.com) -- The British firm Cambridge Consultants has announced the successful test of its new 3D holographic radar system that can track fired shells traveling up to 1000 miles per hour. The new system ...
Sep 23, 2011 |
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ONR pursuing affordable common radar for surface ships
To upgrade the Navy's fleet of aging combat ship radar systems, the Office of Naval Research (ONR) is developing technologies that will combat the obsolescence of surveillance systems at a more affordable cost.
Sep 21, 2011 |
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Tornado forecasting pushes scientific limits
Ernest Fawbush and Robert Miller made the first ever tornado forecast in March of 1948 using only paper, pencil, and a World War II-era radar -- but tornado forecasting has changed dramatically since that ...
Space & Earth / Earth Sciences
Jun 08, 2011 |
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NASA's TRMM satellite saw heavy rainfall in supercell that spawned Joplin tornado
(PhysOrg.com) -- On Sunday May 22, 2011, the Tropical Rainfall Measuring Mission (TRMM) satellite captured an image of the rainfall rate in the supercell thunderstorm that generated the deadly twister that ...
Space & Earth / Earth Sciences
May 25, 2011 |
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European space scout
The growing quantity of space debris is a serious threat to satellites and other spacecraft, which risk being damaged or even destroyed. A new European space surveillance system is being developed to ward ...
Space & Earth / Space Exploration
Apr 01, 2011 |
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Insect hearing inspires new approach to small antennas
(PhysOrg.com) -- Ormia ochracea is a small parasitic fly best known for its strong sense of directional hearing. A female fly tracks a male cricket by its chirps and then deposits her eggs on the unfortunate ...
Feb 28, 2011 |
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Features on asteroid revealed by radar
(PhysOrg.com) -- Radar imaging at NASA's Goldstone Solar System Radar in the California desert on Dec. 11 and 12, 2010, revealed defining characteristics of recently discovered asteroid 2010 JL33. The images ...
Space & Earth / Space Exploration
Jan 12, 2011 |
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GPS not working? A shoe radar may help you find your way
(PhysOrg.com) -- The prevalence of global positioning system (GPS) devices in everything from cars to cell phones has almost made getting lost a thing of the past. But what do you do when your GPS isn’t working? Researchers ...
Dec 01, 2010 |
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Falkland islands radar study impacts climate research
Physicists and engineers at the University of Leicester and the British Antarctic Survey (BAS) have installed a radar system on the Falkland Islands to monitor the upper atmosphere activity which creates the ...
Space & Earth / Earth Sciences
Oct 22, 2010 |
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Fake chips threaten military
A growing deluge of millions of counterfeit chips is posing peril to the military and the general public -- and perhaps nothing illustrates it better than a scheme federal prosecutors recently revealed that stretched from ...
Sep 14, 2010 |
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