915-MHz Radar Wind Profiler, precipitation consensus data - 915rwpprecipcon

\n \nThe radar wind profiler/radio acoustic sounding system (RWP/RASS), available in 915-MHz (for U.S. deployments) and 1290-MHz (for foreign deployments), measures wind profiles and backscattered signal strength between (nominally) 0.1 km and 5 km and virtual temperature profiles between 0.1 km and 2.5 km. However, ARM no longer operates the RASS portion. \n \nThe RWP transmits electromagnetic energy into the atmosphere in as many as five directions (four tilted in opposing vertical planes and on vertical) and measures the strength and frequency of backscattered energy. Calculation of the Doppler shift of the returned signal allows calculation of the atmospheric wind profile.雷达风廓线仪/无线电声学探测系统（Radar Wind Profiler/Radio Acoustic Sounding System, RWP/RASS）分为适配美国部署场景的915兆赫版本，与适配海外部署场景的1290兆赫版本。该设备可在标称0.1千米至5千米的高度范围内探测风廓线与后向散射信号强度，并可在0.1千米至2.5千米的高度范围内探测虚拟温度廓线。不过大气辐射测量计划（Atmospheric Radiation Measurement, ARM）现已不再运维该系统的RASS模块。 该RWP可向大气中最多五个方向（四个分别位于相反垂直平面内倾斜，一个沿垂直方向）发射电磁能量，并探测后向散射能量的强度与频率。通过对返回信号的多普勒频移进行计算，即可推演出大气风廓线。