ID 原文 译文
8754 考虑绕飞安全距离约束给出了满足目标监测要求的绕飞轨道设计方法; The necessary condition of considering orbit safety distance constraints could satisfy the requirement of target monitoring gives the design method of orbit fly;
8755 针对J2摄动和大气阻力摄动作用对绕飞轨道构型的影响,提出了绕飞轨道构型保持脉冲控制策略; According to J2 perturbation and atmospheric drag perturbation action influence on orbit track configuration, put forward the orbit fly keep pulse control strategy configuration;
8756 建立了燃料最省构型保持非线性规划模型。 Fuel the province configuration remain nonlinear programming model is established.
8757 仿真结果表明,所提出的构型设计方法简单有效,适用于对椭圆轨道上目标的绕飞相对运动分析,基于非线性规划方法的构型保持最优控制方法能够有效实现燃料最省绕飞轨道构型保持的高精度控制。 The simulation results show that the proposed configuration design method is simple and effective, and suitable for the elliptical orbit target orbit relative motion analysis, based on the configuration of nonlinear programming method to keep the optimal control method can effectively achieve the fuel province orbits fly configuration to keep high precision control.
8758 针对装备故障规律不易获取以及传统任务成功性评估中未分析装备技术状态等问题,提出了一种技术状态与任务可靠度之间的转换方法。 For equipment fault rule is not easy to obtain and traditional mission success without analyzing the technical conditions of the equipment problems in evaluation, put forward a kind of technology state and the conversion method between the task reliability.
8759 利用径向基神经网络对装备技术状态等级进行了评估,利用云模型对装备的任务可靠度进行了评估。 By using RBF neural network to equipment technical state grade were evaluated, using cloud model to evaluate the task of equipment reliability.
8760 以此为基础,结合维修时间约束条件评估了故障规律未知时的装备任务成功性。 On this basis, combining with maintenance time constraint conditions to evaluate the regularity of unknown equipment mission success.
8761 针对经验模态分解(empirical mode decomposition,EMD)过程中本征模态函数(intrinsic mode function,IMF)上存在脉冲星信号与噪声混叠的问题,提出了一种基于局部峰度检验加窗的EMD消噪方法。 In view of the empirical mode decomposition (empirical mode decomposition, the EMD) in the process of intrinsic mode function (the intrinsic mode function, the IMF) a pulsar signals aliasing and noise problem, puts forward a based on local kurtosis test window EMD de-noising method.
8762 首先,利用自相关和互相关来判断IMF的重构起点; First, use the autocorrelation and cross-correlation to judge the IMF refactoring starting point;
8763 其次,通过局部峰度检验方法来获取重构起点前两层IMF中信号脉冲部分的左、右端点,选用Turkey-Hanning窗滤掉脉冲外噪声; Second, by local kurtosis test method to get the refactoring starting point in the first two layers of signal pulse in the IMF's part of the left and right endpoints, choose Turkey - Hanning window filtering pulse noise;