ID 原文 译文
50897 构建了以编队备件保障概率为目标函数的编队随舰备件库存优化模型, constructed on the formation of spare parts security probability as the objective function of the formation with ship spare parts inventory optimization model,
50898 应用拉格朗日乘子法及边际效应法原理给出了编队随船备件库存模型计算及优化流程, the application of Lagrange multiplier method and marginal effect method principle is given formation despatch, spare parts inventory model calculation and optimization process,
50899 并运用罚函数原理对保障资源约束因子进行了确定及动态调整。 the principle of penalty function was employed to safeguard factor were determined and dynamic adjustment of resource constraints.
50900 最后,通过案例分析验证了本文提出的方法能够为解决多约束下编队随船备件配置优化问题提供新的途径。 Finally, through case analysis to verify the method proposed in this paper to solve the multiple constraints formation despatch, a new approach for spare parts configuration optimization problem.
50901 根据海上天文定位原理,太阳上中天时的格林半圆时角等于测者所在位置的经度, According to the principle of maritime astronomy orientation, the sun high days of green round Angle is equal to the longitude of the location in which the subjects,
50902 但六分仪观测难以确定太阳上中天的较准确时间,由此产生的经度误差往往过大,不能满足航海需求。 but is difficult to determine the sun zhongtian sextant observations accurately, the resulting error often longitude is too big, can't meet the demand of navigation.
50903 采用数据拟合技术对太阳高度曲线进行拟合处理,能够比较准确地求出太阳上中天的时间,从而给出了不需要推算船位的天文定位算法。 Using the data fitting to fitting the curve of the sun, can more accurately calculate the sun transit time, thus don't need of reckoning astronomical localization algorithm is given.
50904 通过海上大量实验结果表明:该算法定位周期短、简便易行且有利于减小偶然误差。 By sea a large number of experimental results show that the algorithm to locate cycle is short, simple, and is helpful to reduce the random error.
50905 采用现有六分仪进行观测,定位的纬度最大误差为0. 8,经度最大误差为2. 5,满足海上航行的导航精度要求。 Using existing sextant observations, positioning the latitude of the maximum error is 0. 8, longitude maximum error is 2. 5, satisfies the requirement of the navigation precision of sea.
50906 针对弹道导弹攻防对抗复杂、影响因素多的特点,系统地描述评估指标体系的构建方法和原则,建立了导弹突防效能评估指标体系。 Against ballistic missile defence, factors affecting the characteristics of complex, systematically describes the methods and principles for the construction of evaluation index system of missile penetration effectiveness evaluation index system is established.