continuous-wave radar

From Glossary of Meteorology
(Abbreviated CW radar.) A type of radar that transmits continuously instead of in pulses.

Moving targets may be recognized with such radars by observing a Doppler shift in the frequency of the received signal. Some forms of modulation of the transmitted wave allow measurement of range (e.g., FM–CW radar). Historically, continuous-wave radars preceded the development of the pulsed radars widely used today.

(Coined word for radio detection and ranging.) An electronic instrument used for the detection and ranging of distant objects of such composition that they scatter or reflect radio energy.

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