Shown above is a picture of hurricane Katrina captured by doppler radar. Doppler radar is specifically used to obtain the velocity of a certain object that are a certain distance away. Doppler radar is used in many different fields such as meteorology, radiology, and even police radar. A perfect example is when you get a speeding ticket, the police officers radar gun uses doppler radar to compute your cars speed and in turn will usually catch you speeding.
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