ID 原文 译文
47776 通过蒙特卡罗仿真实验验证了基于等效平均探测宽度搜索概率评估模型的有效性和可信性。 Verified by monte carlo simulation experiments based on equivalent average detection width search probability evaluation model of effectiveness and credibility.
47777 不同目标航向和不同反潜机高度条件下的评估结果对比表明基于等效平均探测宽度搜索概率评估模型可以更加有效的评估目标磁特性变化对搜索概率的影响。 Under the condition of different target course and the height of the different antisubmarine warfare aircraft show that the results of evaluation of search probability evaluation model based on equivalent average detection width can be more effective to assess the effect of the magnetic properties of the target changes on search probability.
47778 针对多水下自治机器人(unmanned underwater vehicle,UUV)协同定位过程中水声通信延迟造成的定位失效问题,提出了一种基于状态估计均方误差最小的延时扩展卡尔曼滤波(delayed extended Kalman filter,DEKF)定位误差修正方法。 For more autonomous underwater robot (unmanned underwater vehicle, UUV) in the process of co-location resulted from the positioning of underwater acoustic communication delay problems, this paper proposes a minimum mean square error of time delay based on state estimation extended Kalman filtering (of the extended Kalman filter, DEKF) position error correction method.
47779 首先建立考虑水声通信延迟的系统状态方程,利用状态转移矩阵推导系统等效量测方程,然后给出多UUV考虑水声通信延迟的扩展卡尔曼滤波(extended Kalman filter,EKF)定位方法并分析其不足; Consider underwater acoustic communication delay system established by the state equation, using the state transition matrix system, the equivalent measurement equation is derived, and then give more UUV consider underwater acoustic communication delay extended Kalman filtering (extended Kalman filter and EKF) locating method and analyzes its deficiencies;
47780 最后在EKF方法的基础上,分析量测信息延迟对状态估计的影响,建立系统真实量测模型,设计基于状态估计均方误差最小的DEKF算法。 Finally in EKF method, on the basis of the analysis of the effect of measurement information delay on state estimation, system real measurement model is set up, design DEKF algorithm based on minimum mean square error (mse) at state estimation.
47781 仿真结果表明,该方法能够有效地修正多UUV协同定位中由于水声通信延迟造成的定位误差,在工程实践中具有一定参考意义。 Simulation results show that the method can effectively correct more UUV co-location of positioning error caused by underwater acoustic communication delay, has certain reference meaning in engineering practice.
47782 针对航天器健康管理领域中在轨卫星的健康评估问题,提出了基于模糊变权原理的健康状态评估方法,用健康度定量表示健康状态,并以卫星姿态控制系统为例进行了分析。 For health assessment of the spacecraft orbit satellites in the field of health management problems, put forward the health state evaluation method based on fuzzy variable weight principle, using quantitative says health status, health as a case study of satellite attitude control system is analyzed.
47783 在部件级水平上,采用了基于模糊无量纲化函数和稳定更新过程的健康度计算方法。 At the component level, adopted based on the fuzzy dimensionless function calculation method of the health and stability update process.
47784 从部件级到系统级,利用改进的层次分析法(analytic hierarchy process,AHP),结合变权综合原理,建立了姿态控制系统的健康状态层次分析模型,并给出评估计算过程。 From component level to system level, the use of the improved AHP (analytic hierarchy process, the AHP), combined with the variable weight synthesis principle, set up the health hierarchical analysis model of attitude control system, and evaluation calculation process is given.
47785 最后,通过故障仿真的手段进行验证,结果表明该套分析与评估方法对卫星健康管理具有实用价值。 Finally, by means of the fault simulation verification, the results show that the set of analysis and evaluation method has practical value to the satellite health management.