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Frequency-modulated continuous-wave radar (FM-CW) – also called continuous-wave frequency-modulated (CWFM) radar [6] – is a short-range measuring radar set capable of determining distance. This increases reliability by providing distance measurement along with speed measurement, which is essential when there is more than one source of ...
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This approach is commonly used in radar altimeters, in meteorology and in oceanic and atmospheric research. The landing radar on the Apollo Lunar Module combined both CW radar types. CW bistatic radars use physically separate transmit and receive antennas to lessen the self-interference problems inherent in monostatic CW radars.
A widespread winter storm will continue to haul snow and ice across parts of more than 20 states from the Plains to the Midwest, Great Lakes and Northeast into Thursday.
Radar echoes, showing a representation of the carrier. Pulse width also determines the radar's dead zone at close ranges. While the radar transmitter is active, the receiver input is blanked to avoid the amplifiers being swamped (saturated) or, (more likely), damaged.
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Latest Alerts And Radar. The National Weather Service has issued winter storm warnings and winter weather advisories from the Appalachians to New England. All of the areas could see wintry travel ...