ID 原文 译文
8924 针对这一问题,根据邻近方位-距离单元数据协方差矩阵的Toeplitz矩阵特性,估计电离层相位扰动的变化函数,提出一种无需提取标校信号的电离层相位扰动校正方法。 In order to solve this problem, according to the adjacent azimuth unit - distance data covariance matrix of the Toeplitz matrix characteristics, and estimate the change of the ionospheric phase perturbation function, put forward a without calibration signal extraction of ionospheric phase perturbation correction methods.
8925 仿真实验及分析表明,该方法能有效改善OTHR系统在大幅度电离层相位扰动背景下对船舶目标的检测性能。 Simulation experiments and analysis show that the method can effectively improve the OTHR system under the background of large ionospheric phase perturbation of the ship target detection performance.
8926 空基反导是实现对战术弹道导弹(tactical ballistic missile,TBM)助推段主动防御的有效拦截方式。 Space-based anti-missile is implementation of tactical ballistic missile (tactical ballistic missile, the TBM) boost active defense way of effectively intercept.
8927 从探讨空基反导装备的体系需求入手,提出了使用国防部体系结构框架(department of defense architecture framework,DoDAF)视图产品建立空基反导装备体系结构可执行模型的方法和步骤,给出了空基反导装备体系结构和作战需求的可视化描述。 From explore air anti-missile system demand of equipment, put forward using the department of defense architecture framework (department of defense architecture framework, the DoDAF) view products set air anti-missile equipment architecture methods and steps of the executable models, gives a space-based anti-missile equipment architecture and visual description of the operational requirements.
8928 具体采用了基于活动的静态模型描述空基反导装备的体系结构,采用基于过程和对象的动态模型描述空基反导装备的体系需求。 Specific description adopted static model based on activity air anti-missile equipment architecture, based on the dynamic model of the process and the object description air anti-missile equipment system requirements.
8929 讨论了两种含屏蔽数据四单元混联系统的可靠性分析问题。 Discuss the two kinds of compound systems containing four masked data unit reliability analysis of the problem.
8930 在单元失效率为指数函数的情形下,详细推导出两种混联系统在逐步Ⅱ型混合截尾试验下的似然函数。 In the case of the unit failure rate as index function, two kinds of hybrid system is deduced in detail step by step type truncation in the mixture of likelihood function.
8931 利用极大似然方法给出了单元分布参数及系统可靠度函数的极大似然估计,采用似然比方法构造了未知参数的近似置信区间。 Unit distribution parameters given by using maximum likelihood method and maximum likelihood estimation of the system reliability function, likelihood ratio method is used to construct an approximate confidence interval of the unknown parameters.
8932 最后运用蒙特卡罗方法进行随机模拟,验证了所提方法的正确性和有效性。 Finally using monte carlo method for stochastic simulation to verify the correctness and effectiveness of the proposed method.
8933 直觉模糊集中隶属度和非隶属度是确定值,而在空战对抗中,飞行员以及专家知识很难准确地确定隶属度和非隶属度的准确值,只能给出大致范围。 Intuitionistic fuzzy set membership and the membership degree is to determine the value, in the air combat against, pilots and expert knowledge is difficult to accurately determine the membership degree and the membership degree, the accurate value of only roughly range is given.