Continuous-wave radar

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continuous-wave radar

(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.

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