空管设备飞行校验的综合性能可信评估方法研究

The novel high accuracy flight inspection system is the core equipment for ATM facilities inspection in the airports and airways, satellite-based FANS equipment verification and complex flight procedure validation. The critical problem in flight inspection system research and development is how to achieve performance evaluation real time of diverse and heterogeneous signals comprehensively in the ATM facilities. The primary research in the project include auto accurate calibration method of dynamic time-variant parameters, demand fast evaluation method combing hierarchical optimization and feature extraction strategies and multiple-level credible assessment method based on parameters inversion. The research can accomplish the performance evaluation of diverse signals in space online and simultaneously, and improve the evaluation precision and confidence level, which supports the self-developed novel flight inspection system research significantly.

新型高精度飞行校验设备是实施机场与航路空管设备校验、星基新航行系统设备验证和复杂机场飞行程序校验的核心装备，如何实现复杂低空环境中、动态飞行条件下对多元异质空管设备信号进行在线、可信的综合性能评估，成为飞行校验装备研制的核心难题。本项目重点研究动态时变参数的自动精确校正方法、分级优选和特征提取结合的按需快速评估方法和基于参数反演的多级可信评估方法，具备对多元空间信号性能参数的同时、在线评估的能力，实现评估精度和置信度等指标提升，为我国自主研制的新型飞行校验系统提供重要支撑。

新型高精度飞行校验设备是实施机场与航路空管设备校验、星基新航行系统设备验证和复杂机场飞行程序校验的核心装备。本项目围绕飞行校验设备中信号处理评估子系统中的空管设备综合性能可信评估问题，研究了动态时变参数的自动精确校正方法，通过对未知测量误差的形成及传递机理进行建模，保证了空间信号接收及解析过程中，测量误差的准确性；研究了分级优选和特征提取结合的按需快速评估方法，利用系统敏感度的不同，对多参数进行分级优选，并结合稀疏样本空间的特征提取方法，提升了飞行校验的时效性；研究了基于参数反演的多级可信评估方法，利用飞行校验系统测量空管设备空间信号的射频参数，对实际动态飞行条件下的特征参数进行反演评估，实现了飞行校验设备评估精度和置信度等指标的提升。为我国自主研制的新型飞行校验系统提供重要支撑。