FDIR的翻译

And then filtering scheme and FDIR scheme are analyzed. ( 3) The model and arithmetic of HALE UAV navigation system is researched: error model of the SINS, GPS, Bei-Dou and Air-data system is established.

对高空长航时无人机组合导航系统模型与算法进行了研究：首先建立了捷联惯导系统、GPS导航系统，北斗双星系统、大气数据系统的误差模型；

In order to accomplish the task successfully and avoid fault propagation that may result in severe failure, it is necessary to build up an on-line fault diagnosis system to realize the real-time Fault Detection, Diagnosis, and Recovery ( FDIR).

为保障任务完成，需建立起空间电源系统在线故障诊断系统，实现在线故障检测、诊断和修复（FDIR），防止故障传播和灾难性事故发生。

Based on Kalman filtering estimation algorithm, a kind of FDIR method based on hierarchic alliance of filter family is proposed.

文章在卡尔曼滤波估计算法的基础上，提出了基于递阶联合滤波器族的故障检测、隔离和重构方法。