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针对目前国内航空公司使用的译码软件每次只能手动译码一个QAR原始数据文件问题,从分析飞行数据储存方式入手,研究QAR数据译码原理。在此基础上,设计出一套QAR自动译码系统,并通过人工译码验证工程值转换逻辑设定的准确性,以及通过将系统自动译码后数据与现有译码软件运行结果比对的方式验证该系统的可靠性,为航空公司日常运营中基于QAR数据的飞机性能监控提供了保障。
In view of the problem that the decoding software used by domestic airlines can only manually decode one QAR original data file at a time, starting with analyzing the storage way of flight data, the QAR data decoding principle is studied. On this basis, a QAR automatic decoding system is designed, and the accuracy of the engineering value conversion logic is verified by manual decoding. By comparing the data automatically decoded by the system with the existing decoding software, The way to verify the reliability of the system for the daily operation of the airline QAR data based aircraft performance monitoring provides protection.