File:Radarops.gif
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Radarops.gif (304 × 157 pixels, file size: 15 KB, MIME type: image/gif, looped, 10 frames, 2.0 s)
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Summary[edit]
| Description |
Français : Principe du radar: émission d'une impulsion d'onde radio très intense mais brève, l'énergie frappe une cible et une petite portion de l'énergie est retournée au radar.
English: Principle of radar: The radar emits a burst of energy (green). If the energy strikes an object (rain drop, bug, bird, etc), the energy is scattered in all directions (blue). A small fraction of that scattered energy is directed back toward the radar.
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| Date | |
| Source | http://www.srh.noaa.gov/srh/sod/radar/radinfo/radinfo.html |
| Author | US National Weather Service (NOAA web site) |
Licensing[edit]
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:47, 14 September 2010 | | 304 × 157 (15 KB) | GianniG46 | Added pause, to separate sequence repetitions |
| 13:54, 18 October 2006 |  | 304 × 157 (16 KB) | Pierre cb | Principle of radar: The radar emits a burst of energy (green). If the energy strikes an object (rain drop, bug, bird, etc), the energy is scattered in all directions (blue). A small fraction of that scattered energy is directed back toward the radar. Pri |
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