Langbahn Team – Weltmeisterschaft

File:Radarops.gif

Radarops.gif (304 × 157 pixels, file size: 15 KB, MIME type: image/gif, looped, 10 frames, 2.0 s)

Summary

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.
Date
Source http://www.srh.noaa.gov/srh/sod/radar/radinfo/radinfo.html
Author US National Weather Service (NOAA web site)

Licensing

Public domain
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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copyright status

public domain

applies to jurisdiction: United States of America
determination method or standard: work of the federal government of the United States

inception

11 March 2002

media type

image/gif

File history

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Date/TimeThumbnailDimensionsUserComment
current07:47, 14 September 2010Thumbnail for version as of 07:47, 14 September 2010304 × 157 (15 KB)GianniG46Added pause, to separate sequence repetitions
13:54, 18 October 2006Thumbnail for version as of 13:54, 18 October 2006304 × 157 (16 KB)Pierre cbPrinciple 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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Quelle: http://en.wikipedia.org/wiki/File:Radarops.gif