Doppler Radar is a type of remote sensing map, which involves the detection and measurement of radiation of different wavelengths reflected or emitted from distant objects or surfaces. Radar stands for radio detection and ranging and uses a transmitter to emit either radio or microwave radiation, which is called Doppler. A directional antenna then receives and measures the time of arrival of reflected pulses from distant objects. The above image is a doppler radar image from the National Weather Service of a hurricane forming, and constitutes as such because it transmits either radio or microwave radiation to measure the time of arrival of reflected pulses from the storm to thus create this image.
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