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航空航天领域下的舞蹈编创分析论文2023-05-02
〔摘要〕 舞蹈《逐梦云天外》是一部为讴歌中国航空航天科研人员而创作的优秀作品。编创以C919设计建造过程中科研人员的辛勤付出为背景,用独特的舞蹈艺术语言设计了生动的舞台内容。创作者根据题材特性,巧妙创新,...
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江苏航空航天制造业发展分析论文2023-05-06
摘 要: 江苏是制作业大省,正处于转型晋级的攻坚期,迫切需要捉住国际资本搬运与工业结构调整的机会,结构制作业竞赛新优势。中心对航空航天制作业的开展日益注重,很多省(市)也提出了新思路与新举措。江苏应从战...
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多学科设计优化中常用代理模型的研究2023-05-07
摘要:代理模型是多学科设计优化的关键技术之一.本文系统介绍了多项式响应面模型,径向基函数模型和Kriging模型等3种多学科设计优化中常用的代理模型.通过构造某机翼展向气动载荷分布的代理模型,对这3种...
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Log integration on large scale for global networking monitoring2023-05-07
Abstract:Supposing that the overall situation is dug out from the distributed monitoring nodes, ther...
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Basic function scheme of polynomial type2023-05-07
Abstract:or shock waves.Combined with the adaptive remeshing technique,satisfactory results can be o...
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推帚式航天遥感器CCD航向调制传递函数的讨论2023-05-07
摘要:从遥感器获取的数据质量观点出发,把遥感图像中几何质量和辐射质量两大质量指标与航向MTF结合起来,讨论了沿航向CCD MTF的选择与确定. 作者: 韩心志 Author: 作者单位: 哈尔滨工业大...
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Effects of trace Zr on the microstructure and properties of 2E12 alloy2023-05-07
Abstract:Al-4.0Cu-1.4Mg-0.6Mn (2E12) and Al-4.0Cu-1.4Mg-0.6Mn-0.3Zr aluminum billets were manufactur...
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An improved particle filtering algorithm based on observation inversion optimal sampling2023-05-07
Abstract:According to the effective sampling of particles and the particles impoverishment caused by...
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地球同步气象卫星星载高精度太阳敏感器的研制2023-05-07
摘要:根据地球同步气象卫星(GSMS)星载扫描同步控制器系统的要求和对太阳目标特性的分析,研制了一台用于该GSMS的星载高精度太阳敏感器(HASS)及配套的性能测试装置.该太阳敏感器的光学头部由两对狭...
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采用信息融合技术的IR/MMW复合导引头的目标跟踪2023-05-07
摘要:从误差测量环节入手,基于IR/MMW双模结构,采用信息融合处理技术提高其估计跟踪精度,最终达到降低制导误差,提高武器性能的目的.仿真结果验证了该方法的有效性. 作者: 崔智社 &nbs...
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Static analysis of synchronism deployable antenna2023-05-07
Abstract:A 3D synchronism deployable antenna was designed, analyzed, and manufactured by our researc...
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民航系统安全的多层次模糊评估方法2023-05-07
摘要:为对民航系统进行安全性评估,建立了评估指标体系和评估方法.采用模糊综合评判方法计算民航系统的管理安全度和由飞行、航空保障、维护与维修3个子系统安全度组成的人-机-环境安全度,在此基础上得出系统的...
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电磁式双凸极电机电磁特性的理论分析2023-05-07
摘要:对电磁式双凸极电机(DSEM)的电磁特性进行理论分析.首先给出了定转子齿重叠角与转子位置角的关系式,从理论上验证了DSEM所有极下定转子齿重叠角之和为常数.然后推导出电感和转矩的表达式,重点分析...
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基于自适应模拟退火遗传算法的月球软着陆轨道优化2023-05-07
摘要:将自适应遗传算法与模拟退火算法相结合,形成一种自适应模拟退火遗传算法.该算法不但具备了自适应遗传算法的强大全局搜索能力,也拥有模拟退火算法的强大局部搜索能力.针对月球软着陆轨道优化的特点,利用一...
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风扇/压气机技术发展和对今后工作的建议2023-05-07
摘要:风扇/压气机是航空涡轮发动机的关键部件之一,高推重比发动机对它们提出了更高的要求,出现了一些新的技术问题需要加以研究解决.本文评述了风扇/压气机的发展趋势,对于提高其性能的主要措施如高叶片速度,...
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光电经纬仪测量误差的实时修正2023-05-07
摘要:分析了光电经纬仪的测量误差来源及其影响,采用了星体角度法分离得出各项系统误差,并在此基础上编程实现了对测量结果的实时修正.使用这种方法修正了某型号光电经纬仪的测量数据,并对修正前后的测量精度进行...
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Pressure Tight Piston Corer-A New Approach on Gas Hydrate Investigation2023-05-07
Abstract:A pressure tight sediment sampling technology, which can be introduced into the modificatio...
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Numerical study of attack angle characteristics for integrated hypersonic vehicle2023-05-07
Abstract:The two-dimensional coupled implicit Navier-Stokes equations and standard k-ε viscous model...
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Gas-kinetic numerical schemes for one- and two-dimensional inner flows2023-05-07
Abstract:Several kinds of explicit and implicit finite-difference schemes directly solving the discr...
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新型碳化硅陶瓷基复合材料的研究进展2023-05-07
摘要:介绍了碳化硅陶瓷基复合材料的应用和发展现状,阐述了CVI-CMC-SiC制造技术在我国的研究进展,开展了CVI-CMC-SiC的性能与微结构特性的研究和CVI过程控制及其对性能影响的研究,研制了...
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Solar radiation pressure used for formation flying control around the Sun-Earth libration point2023-05-07
Abstract:Solar radiation pressure is used to control the formation flying around the L2 libration po...
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Hierarchical resource allocation for integrated modular avionics systems2023-05-07
Abstract:Recently the integrated modular avionics (IMA) architecture which introduces the concept of...
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Robust airfoil optimization based on improved particle swarm optimization method2023-05-07
Abstract:A robust airfoil optimization platform is constructed based on the modified particle swarm ...
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Rotor wake capture improvement based on high-order spatially accurate schemes and chimera grids2023-05-07
Abstract:A high-order upwind scheme has been developed to capture the vortex wake of a helicopter ro...
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