S-band Single Polarization Doppler Weather Radar BM-200

Visão geral

BM-200 single polarization fully coherent Doppler weather radar. It uses Doppler radar technology to obtain data such as distance, azimuth, reflectivity, and target speed, controls the radar work through software, and processes the obtained basic weather data to generate meteorological products. The BM-200 radar can realize the monitoring and forecasting of conventional and severe weather phenomena. BM-200 single polarization pulse Doppler weather radar consists of antenna and servo system, transmitting system, receiving system, monitoring system, signal processing system, product generation and display system, power distribution system and accessories. The system has automatic, safe, continuous, stable and reliable, and unattended operation capabilities. Each subsystem and module is produced, debugged and inspected in strict accordance with technical specifications. All modules that have nothing to do with frequency between systems are interchangeable. The high-reliability radome against super typhoon is selected, which has been verified by hundreds of systems at home and abroad for many years. Antenna drives use maintenance-free and long-life AC motors (domestic weather radar antennas usually use brushed DC motors that require maintenance twice a year and have low reliability). When collecting data, the antenna speed control system uses automatic tracking and adjustment technology, which effectively ensures the spatial positioning accuracy of the detection data. The klystron is selected from CPI company with a working time of more than 80,000 hours, a working frequency that can be selected by the user within 2700MHz to 3000MHz, and a peak power of 800KW. This not only improves the radar detection capability, data quality, radar applicability, stability and reliability, but also brings great benefits to maintenance and spare parts purchase and storage.

Especificação técnica

Especificações principais: category project / technical indicators / Remark, Performance working frequency / 2700-3000MHz /, Antenna diameter 8.54m /, Radome diameter 11.9m /, Operating mode A / precipitation, bad weather /, B clear sky, Coverage / Precision / Accuracy Reflectivity / Unambiguous range / 1 - 460Km /, Average diameter Unambiguous speed range / ＞ 50m/s / When the spectral width is 4m/s and, to speed precision / 1.0m/s / When S/N ＞ 8dB, Spectral width precision / 1.0m/s / When the spectral width is 4m/s and, airspace high / 21Km /, distance accuracy 50m / /, sampling interval angle / 1 / /, distance 1Km / ( 1 - 230Km ) / Reflectivity, detection capability -7.5dB Ze / When S/N=0dB, the target is at 50Km, System Phase Noise 0.150 /, System dynamic range 85dB / reflectivity, speed, reliability MTBF ( mean time between failures ) / RDA / 607 hours /, RPG 1000 hours /, PUPs 2000 hours /, complete machine 315 hours /, maintainability MTTR ( average repair time ) / 0.5 hours /, MDT 

 ( max downtime ) RDA / 2 hours /, communication 1 hour /, availability A (i) ( inherent availability ) / 0.989 /, A (a) ( reachable availability ) 0.986 /, environmental conditions temperature / humidity / Work / Not working, indoor part 10 C - 35 C / 20% - 80% / -35 ℃ － 60 ℃ / 15% － 100 %, outdoor part -40 ℃－ 49 ℃ / 15% － 100% / -50 ℃－ 60 ℃ / 15% － 100%, high Altitude 3300m, wind Antenna pointing accuracy 1/3 rms / Under steady wind 25m/s, 1 rms Under steady wind 50m/s, 80m/s Radome undamaged, precipitation When working , the maximum instantaneous precipitation is 300mm/h and the wind speed is 18m/s, 1 -hour average precipitation when not working 130mm/h wind speed 33m/s without damage, 12 -hour average precipitation when not working 30mm/h wind speed 26m/s without damage, 24 -hour average precipitation when not working 18mm/h wind speed 21m/s without damage.

Especificações técnicas

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