Go to » Web - QA - Dictionary - Encyclopedia - Images
 Web Opens New Window. Results 1 - 10 of about 640,013,610 for Radar 

Radar - Wikipedia, the free encyclopedia

  
Radar is an object detection system that uses electromagnetic waves to identify the range, ... The term RADAR was coined in 1940 by the U.S. Navy as an acronym for ...
http://en.wikipedia.org/wiki/Radar

Radar Blog | Radar

  
Radar was born a short time later, and focused on delivering a real ... And while Radar survived--and often thrived--it's not sufficiently large to be ...
http://blog.radar.net/

National Doppler Radar Sites - NOAA's National Weather Service

  
Interactive map allows you to view the latest weather radar images for various regions of the U.S.. From the National Weather Service.
http://radar.weather.gov/

radar: Definition from Answers.com

  
radar n. A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of very high frequency
http://www.answers.com/topic/radar

RADAR: Information from Answers.com

  
RADAR an acronym for RAdio Detection And Ranging, is based on German scientist Heinrich Hertz 's 1880s discovery that a beam of radio energy that
http://www.answers.com/topic/radar-8

Radar

  

http://www.radar.com/

Doppler Radar National Mosaic - NOAA's National Weather Service

  
Map from the National Weather Service provides Doppler radar weather maps of the United States.
http://www.nws.noaa.gov/radar_tab.php

Intellicast - Current Radar in United States

  
... precipitation, calculate its motion, estimate its type (rain, snow, hail, etc.), and forecast its future position and intensity. Modern weather radars...
http://www.intellicast.com/National/Radar/Current.aspx?animate=true

NWS Enhanced Radar Mosaic: Northeast Sector

  
Latest weather radar images from the National Weather Service
http://radar.weather.gov/Conus/northeast.php

radar - definition of radar by the Free Online Dictionary ...

  
Translations of radar. radar synonyms, radar antonyms. Information about radar in the free online English dictionary and encyclopedia. radar detector, ...
http://www.thefreedictionary.com/radar
 MORE WEB RESULTS »  

 Questions 'n' Answers about 'Radar' Opens New Window.

Q.When was the first radar unit installed on the Roswell Army Air Field?Related Search:
Military
 Or when did the Roswell Army Air Field start using radar? * Also, what was the average range of the radar sweep in miles?
A.July 1947
  

Q.What is the best radar detector on the market?Related Search:
Other - Cars & Transportation
 Which radar detector is the best one to own? Also I found this website at [Link]  has anyone else used this information, really neat forum website for radar detectors, lots of helpful information!
A.I'm on my third Escort detector (over 20+ year period). Always been happy with them (a bit expensive). They have Passport & Solo -- I get the one that is cordless, I think that is the Solo.
  

Q.Why does my radar detector go off when I get near a school bus?Related Search:
Other - Cars & Transportation
 If I pass a school on the road, my radar detector starts to go crazy. Do they have some sort of radar emitting device specifically designed to make those with radar detectors go for their first instinct and slow down when it chirps? Or is it some sort of GPS (or something else) that they have,and having radar detectors go off is merely an attractive coincedence? Just wondering. Thanks.
A.Wow I am shook no one actually knows why that already answered. I DO KNOW WHY!!!! Police departments put old radar guns/ or now refered to as a radar drone. In school buses and in thes construction signs etc. To get detector users to slow down. Point being you get an alert you are more likely to slow down
  

Q.Why doesnt my radar detector work overseas?Related Search:
Other - Cars & Transportation
 I recently got transferred to the middle east, I have a radar detector that worked very well in the US but has failed every time in this country. What is the problem?
A.Police radar guns use different radar bands (frequencies) in various countries. Many countries outside the US use the same bands that are used in the US, but as you've found, some countries use different bands. Better radar detectors cover more police radar bands and will work in more countries. Some radar detectors, like the Valentine One, for instance, can be programmed to work in countries outside the US. You don't mention what kind of radar detector you are using, so I can't tell you much more about it. LASER frequencies are the same around the world. Most radar detectors detect laser, but you only have .2 seconds (2 tenths of a second) to slow down after your radar detector alerts to laser. That makes a radar detector pretty pointless for detecting laser. If you are concerned about laser, you'll need a laser jammer (also legal in most states). See my sources for a list of laws concerning radar detectors and laser jammers in the USA and elsewhere, as well as links to the top 5 best radar detectors in the world and laser jammers.
  

Q.How does weather radar operating in the reflectivity mode locate and plot the motion of areas of precipitation?Related Search:
Weather
 How does weather radar operating in the reflectivity mode locate and plot the motion of areas of precipitation?
A.Moisture dense enough to form precipitation cells in the atmosphere simply reflects more electromagnetic energy back to the radar antenna than clear air. The computer in the radar set is designed to make a number of measures and calculations from which it is able to derive the location, distance, and speed of motion of the target rain cells by applying geometry, trigonometry, algebra, etc., to known physical constants. Science marches on!
  

Q.What is the value of weather RaDaR operating in the Doppler mode in forecasting severe thunderstorms?Related Search:
Weather
 What is the value of weather RaDaR operating in the Doppler mode in forecasting severe thunderstorms including those that may spawn tornadoes? Where is the doppler RaDaR closest to your location?
A.The value of Doppler radar is that it can detect small objects that are blown or carried by the wind. By being able to detect these small particles, it can then estimate the wind speed and direction of the surrounding atmosphere. This is important as it will be able to monitor how a thunderstorm develops and will be able to detects clues as to whether a storm will developing severe weather signatures. In other words, it can give the radar operator much more advanced notice that a storm is becoming severe. This can improve significantly on severe weather, including tornadic storms, warning lead times.
  

Q.How does a radar work and how can it be inaccurate?Related Search:
Other - Cars & Transportation
 I would like to know how a radar used in the military to find incoming airplanes works and if there are any factors that would make it inaccurate.
A.Radio waves travel at the speed of light, 186,000 miles per second. If you send out a stream of radio waves, and it hits something to bounce it back, you can measure the time it took to come back and figure out how far away that object is. Weather conditions, ice crystals and the like sometimes return false images, but it is very accurate.
  
 Dictionary Opens New Window.
3 definitions found for Radar:

From The Collaborative International Dictionary of English v.0.48:

radar \ra"dar\ (r[=a]"d[aum]r), n. [acronym from RAdio Detection
   And Ranging.]
   1. An electronic device designed to detect objects at a
      distance, and determine their distance from the device, by
      transmitting a pulse of radio waves and measuring the time
      required for the echo of the pulse to return to the
      emitting device; as, the radar showed a plane approaching
      rapidly. For more information of radar, see the article
      What is Radar?. [acronym]
      [PJC]

   2. The method of detecting objects, finding their distance,
      or determining their speed, by use of a radar[1] device;
      as, modern radar can detect objects as small as raindrops.
      [PJC]


From WordNet (r) 2.0:

radar
     n : measuring instrument in which the echo of a pulse of
         microwave radiation is used to detect and locate distant
         objects [syn: microwave radar, radio detection and
         ranging, radiolocation]


From Moby Thesaurus II by Grady Ward, 1.0:

92 Moby Thesaurus words for "radar":
   AA radar, AFC, AFC mixer, CRT, CW oscillator, MAD radar, Navaglobe,
   Oboe, TR switch, TR unit, VAR, Volscan, altimeter, amplifier,
   analyzer, astronavigation, automatic electronic navigation,
   automation, avionics, cascade screen, cathode-ray tube,
   celestial navigation, chronometer, coastwise navigation, consolan,
   dead reckoning, demodulator, detector, discriminator,
   early-warning radar, electron microscopy, electron optics,
   electron physics, electronic engineering, electronic navigation,
   electronics, electrophysics, fix, frequency meter,
   gun-directing radar, hard-tube pulser, indicator,
   interception radar, limiter, line of position, local oscillator,
   long-range radar, loran, magnetron, microwave mixer, mixer,
   modulator, navar, navigation, network pulser,
   omnidirectional range, omnirange, oscillator, overlapping,
   panoramic radar, photoelectricity, pilotage, plane sailing,
   point-to-point navigation, potentiometer, pulse generator,
   radar telescope, radio, radio beacon, radio navigation, radionics,
   range-sweep amplifier, range-sweep generator, receiver, screen,
   second detector, sextant, shoran, sofar, sonar,
   square-wave generator, synchronizer, tables, tacan, teleran,
   television, timing unit, tracker, transistor physics, transmitter,
   trigatron, visual-aural range




 
 Encyclopedia Opens New Window.
Sorry for the inconvenience! Unable to fulfill the request. Try the suggestions below or type a new query above.

Suggestions:

  
 Images Opens New Window.
File Size: 81.2998046875k
Dimensions: 507 x 762 pixels
File Format: jpeg
File Size: 170.599609375k
Dimensions: 600 x 800 pixels
File Format: jpeg
File Size: 80.19921875k
Dimensions: 697 x 546 pixels
File Format: jpeg
File Size: 95k
Dimensions: 600 x 656 pixels
File Format: jpeg
File Size: 52.599609375k
Dimensions: 676 x 1022 pixels
File Format: jpeg
File Size: 105.7998046875k
Dimensions: 512 x 512 pixels
File Format: jpeg
File Size: 97.8994140625k
Dimensions: 490 x 600 pixels
File Format: jpeg
File Size: 194.2998046875k
Dimensions: 375 x 500 pixels
File Format: jpeg
File Size: 82.099609375k
Dimensions: 319 x 380 pixels
File Format: png
File Size: 36.7998046875k
Dimensions: 450 x 600 pixels
File Format: jpeg
File Size: 32.8994140625k
Dimensions: 337 x 450 pixels
File Format: jpeg
File Size: 128.599609375k
Dimensions: 681 x 909 pixels
File Format: jpeg
 
 MORE IMAGES »  
Go to » Web - QA - Dictionary - Encyclopedia - Images