ID 原文 译文
55857 大量实验结果表明,与尺度不变特征变换(scale invariant feature transform,SIFT)算法和SURF算法相比,所提算法的运算速度更快,匹配正确率和配准精度更高,同时在抗噪声、抗旋转及抗亮度变化性能方面更加优越。 A large number of experimental results show that, with the scale invariant feature transform (scale invariant feature transform, SIFT) algorithm and SURF algorithm, the proposed algorithm's speed, higher matching accuracy and registration precision, at the same time in noise resistance, resistance to rotation and brightness change has more superior performance.
55858 <正>为了推进航天学术交流与研讨,繁荣学术思想,引领学客发展,促进航天技术发展与创新,中国宇航学会拟于11月12日-13日在北京(暂定)组织召开"中国宇航学会2014年学术年会"。 Is < > in order to promote academic exchange and discussion space, prosperity, academic thought, lead the study development and promote the development of space technology and innovation, at the Chinese academy of space is in Beijing on November 12-13 (tentative) organized "2014 academic conference of China aerospace society".
55859 年会将云集我国航天领域有关政府部门、企业和有关单位 Annual meeting will gather our country spaceflight relevant government departments, enterprises and units concerned
55860 针对目前箔条弹设计与巡航导弹突防战术设计相分离的问题,提出了以远程火箭弹为抛撒载体的箔条弹掩护巡航导弹群突防协同设计模型。 In view of the present chaff flare design and cruise missile penetration tactics design phase separation problem, put forward to long-range rockets cover for scatters carrier of chaff bomb group of cruise missile penetration model of collaborative design.
55861 该模型从箔条弹参数优化入手,综合考虑巡航导弹与箔条弹的运动关系,最终得到最佳费效比所对应的巡航导弹群突防战术设计参数。 From chaff bomb parameter optimization, the model considering cruise missiles and chaff bomb movement relationship, finally get the best cost effectiveness of the design parameters of cruise missile penetration tactics.
55862 以15mm与105mm箔条为例进行仿真,结果表明,采用协同设计模型可以综合设计箔条弹与巡航导弹群突防的最佳配合参数,明显改善箔条弹的掩护效果,提高巡航导弹群的突防能力。 With 15 mm and 105 mm chaff as an example, the simulation results show that the collaborative design model can be integrated design chaff to play with the best group of cruise missile penetration parameters, significantly improve the cover of chaff flare effect, improve group of cruise missile penetration ability.
55863 针对军事运输中有硬时间窗的车辆路径问题(vehicle routing problem with hard time windows,VRPHTW),结合混合交叉运算、改进变异运算和精英保留策略,以所有车辆的配送总时间最少为目标,设计了改进遗传算法。 To have a hard time window of military transport vehicle routing problem (vehicle routing problem with hard time Windows, VRPHTW), combined with hybrid crossover operation, improvement of mutation operation and elite reserved strategy, on the distribution of vehicles all total time at least as the goal, improved genetic algorithm is designed.
55864 借鉴贪婪思想,提高了初始种群的优越性; The superiority of the idea of greed for reference to increase the initial population.
55865 构造了迭代种群的入口矩阵和出口矩阵,并以此为基础提出改进交叉算子,期间引入前向插入法设计了混合交叉运算,加快了种群的寻优速度;同时提出改进变异算子,增加了种群的多样性。 Constructed iterative population entry matrix, export and and on this basis, put forward improved crossover operator, introduced during prior to insertion method to design the hybrid crossover operation, and speed up the optimization of population;At the same time put forward the improved mutation operator, increase the diversity of the population.
55866 实验结果表明,改进遗传算法较之基本算法有着更快的收敛速度和更优的收敛效果。 The experimental results show that the improved genetic algorithm has a faster convergence speed than the basic algorithm and better convergence effect.