For faster navigation, this Iframe is preloading the Wikiwand page for 多普勒雷达.

多普勒雷达

多普勒雷达(英语:Doppler radar)是利用多普勒效应测量物体在雷达波束方向上的径向运动速度的一种雷达。常用于气象观测。警方取缔超速行车所使用的雷达枪也是多普勒雷达的一种。

[来源请求]

1842年,克里斯蒂安·多普勒首次发现多普勒效应,即物体的相对运动会引起频率的增大或减小。当物体和波源相背离时,波长会增大,频率会降低,称为多普勒红移,当物体和波源相向运动时,波长减小,频率增大,称为多普勒蓝移,根据探测到的多普勒频移就可以计算出物体的速度。

参见

[编辑]
{{bottomLinkPreText}} {{bottomLinkText}}
多普勒雷达
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?