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Radar    音标拼音: [r'ed,ɑr]
n. 雷达,电波探测器

雷达,电波探测器

radar
雷达

radar
n 1: measuring instrument in which the echo of a pulse of
microwave radiation is used to detect and locate distant
objects [synonym: {radar}, {microwave radar}, {radio detection
and ranging}, {radiolocation}]

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]

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

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  • NWS Radar
    The NWS Radar site displays the radar on a map along with forecast and alerts The radar products are also available as OGC compliant services to use in your application This site is organized into views that provide relevant radar products and weather information for a common task or goal
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  • Weather Map: Radar - The Weather Network
    Weather maps provide past, current, and future radar and satellite images for local cities and regions
  • WunderMap® | Interactive Weather Map and Radar | Weather Underground
    Weather Underground’s WunderMap provides interactive weather and radar Maps for weather conditions for locations worldwide
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    Today’s and tonight’s Huangpu District, Shanghai 200003, People's Republic of China weather forecast, weather conditions and Doppler radar from The Weather Channel and weather com
  • Live Rain Radar Map | Zoom Earth
    Interactive real-time rain radar map Shows precipitation detected by radar ICONModelGFSModel Forecast Models ICON13 km GFS22 km Map Overlays Weather Maps UTC Zoom Earth Live Rain Radar Map Settings About Share Measure Distance Measure Area Measure Distance Measure Area Click on the map to add points Double‑click to finish
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  • Flightradar24: Live Flight Tracker - Real-Time Flight Tracker Map
    View the airport panel for your chosen airport by clicking on the blue airport icons on the map or by searching directly in the search bar Choose from thousands of airports globally Access more information and data with expanded sections and added customization





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