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随着国家十二五计划的不断推进,国内民航空管系统气象部门所采用的气象实况要素收集设备都进行了不断的更新改造,更是趋于同厂家同型号设备。这样有助于行业内部的标准进行统一,从而能够实现自动气象观测数据联网与运用。自动气象观测系统的通信传输由最初的调制解调大对数电缆传输,更新到光缆传输,大大提高了传输可靠性。然而室内通信单元设备近年来故障率持续增加,为了更好地提供气象数据,因此对室内通信单元改造迫在眉睫。本文将介绍芬兰维萨拉公司生产的自动气象观测系统,由MIDAS IV型号到Avimet型号过渡期间,通信单元MCU111改造的整个过程。
With the continuous promotion of the national 12th five-year plan, the meteorological data collection equipment used by the meteorological department of the domestic civil aviation ATC system has been constantly updated and rebuilt, and is even more similar to the same type of equipment as the manufacturer. This helps to standardize the standards within the industry so that automated weather observation data networking and utilization can be achieved. Automatic meteorological observation system of communication transmission from the original modulation and demodulation of large number of cable transmission, update to the optical cable transmission, greatly improving the transmission reliability. However, the failure rate of indoor communication unit equipment continues to increase in recent years. In order to provide meteorological data better, it is imminent to reform the indoor communication unit. This article describes the entire process of retrofit of the communication unit MCU111 during the transition from the MIDAS IV model to the Avimet model by Vaisala Finland.