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The Canadian weather radar network consists of 33 weather radars spanning Canada's most populated regions. Their primary purpose is the early detection of precipitation , its motion and the threat it poses to life and property.
ASR-11 is a Digital Airport Surveillance Radar (DASR,) an advanced radar system utilized by the United States as the next generation of terminal air traffic control. [1] The ASR-11 is an upgraded, advanced version of the previous ASR-9 radar.
Three common methods are used to calculate the Doppler shift and thus the water velocity along the acoustic beams. The first method uses a monochromatic transmit pulse and is referred to as "incoherent" or "narrowband". The method is robust and provides good quality mean current profiles but has limited space-time resolution.
The frequency selection of weather radar is a performance compromise between precipitation reflectivity and attenuation due to atmospheric water vapor. Some weather radars uses doppler shift to measure wind speeds and dual-polarization for identification of types of precipitations. [3] [4] Weather radar; Wind profilers; Millimetre cloud radar ...
The DOW program rapidly expanded and evolved to include the first mobile dual-Doppler radar network, the first mobile rapid-scan radar (the Rapid-Scan DOW, RSDOW), [1] and the first quickly-deployable 1-degree C-band radar, the C-band on Wheels (COW).
Atlanta Motor Speedway (formerly known as the Atlanta International Raceway from 1960 to 1990) is a 1.540 miles (2.478 km) quad-oval intermediate speedway in Hampton, Georgia. The track has hosted a variety of sanctioning bodies since its inaugural season of racing in 1960, including NASCAR and IndyCar .
Search radar that include pulse-Doppler are usually dual mode because best overall performance is achieved when pulse-Doppler is used for areas with high false alarm rates (horizon or below and weather), while conventional radar will scan faster in free-space where false alarm rate is low (above horizon with clear skies).
A synthetic-aperture radar is an imaging radar mounted on a moving platform. [10] Electromagnetic waves are transmitted sequentially, the echoes are collected and the system electronics digitizes and stores the data for subsequent processing. As transmission and reception occur at different times, they map to different small positions.
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