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doppler radar - ترجمة إلى إنجليزي
TYPE OF RADAR EQUIPMENT
Vehicle speed radar; Doppler Radar; History of Doppler radar
![Doppler navigation system in the [[National Electronics Museum]]](https://commons.wikimedia.org/wiki/Special:FilePath/Doppler Radar Navigation Aid - National Electronics Museum - DSC00364.JPG?width=200 "Doppler navigation system in the [[National Electronics Museum]]")
![Doppler Effect: Change of [[wavelength]] and [[frequency]] caused by motion of the source.](https://commons.wikimedia.org/wiki/Special:FilePath/Doppler effect diagrammatic.svg?width=200 "Doppler Effect: Change of [[wavelength]] and [[frequency]] caused by motion of the source.")
![Doppler weather radar]] unit was obtained from the US Navy in the 1950s](https://commons.wikimedia.org/wiki/Special:FilePath/Wea01227 - Flickr - NOAA Photo Library.jpg?width=200 "Doppler weather radar]] unit was obtained from the US Navy in the 1950s")
doppler radar
Radar Doppler, sistema di radar in grado di distinguere fra bersagli mobili e non, analizzando oscillazioni di frequenza causati dall"effetto Doppler
Doppler effect
FREQUENCY CHANGE OF A WAVE FOR OBSERVER RELATIVE TO ITS SOURCE
Doppler shift; Doppler Shift; Doppler Effect; Doppler's effect; The Doppler effect; Inverse Doppler effect; Acoustic Doppler effect; Doppler equations; Aberration redshift; Doppler-Fizeau effect; Dopplar Effect; Doppeler effect; Dopler shift; Dopler effect; Doppler-shifted; Change in notes of cats effect; Dopler; Dopplar; Doplar; The Doppler Effect; Doppler–Fizeau effect; Doppler navigation; Doppler spectra; Doppler frequency; Doppler
effetto Doppler
Radar Cross Section
![The [[B-2 Spirit]] was one of the first aircraft to successfully become 'invisible' to radar.](https://commons.wikimedia.org/wiki/Special:FilePath/B-2 Spirit 3.jpg?width=200 "The [[B-2 Spirit]] was one of the first aircraft to successfully become 'invisible' to radar.")
![A [[Chengdu J20]] incorporating [[stealth technology]]](https://commons.wikimedia.org/wiki/Special:FilePath/J-20 fighter (cropped).jpg?width=200 "A [[Chengdu J20]] incorporating [[stealth technology]]")
MEASURE OF HOW DETECTABLE AN OBJECT IS BY RADAR
Radar Cross Section; Radar cross-sections; Radar Cross-Section; Radar-cross-section; Radar cross section; Radar profile; Radar signature; Sigma naught
sezione di un radar, segno particolare di un oggetto o corpo specifico intercettato da raggi radar, RCS
تعريف
Doppler effect
(also Doppler shift)
¦ noun Physics an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move towards (or away from) each other.
Origin
C19: named after the Austrian physicist Johann Christian Doppler.
ويكيبيديا
Doppler radar
A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal. This variation gives direct and highly accurate measurements of the radial component of a target's velocity relative to the radar.
أمثلة من مجموعة نصية لـ٪ 1
1. Today‘s standard Doppler radar is limited in what it can tell about rain – or birds.
2. They eschew Doppler radar and weather satellites and look for clues in the timeless rhythms of nature.
3. One of the breakthrough aspects of RAINEX is the use of the three aircraft equipped with Doppler radar.
4. On most flights, the ELDORA Doppler radar will collect data as a P–3 circles rainbands from six miles away, with occasional flights through a rainband as needed.
5. They‘ll use a technique called velocity track display (VTD), originally developed for hurricane studies, that allows scientists to extract three–dimensional wind information from a single Doppler radar.