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   归航 在 航空航天科学与工程 分类中 的翻译结果: 查询用时:0.024秒
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归航
相关语句
  homing
    Research on the Dynamics and Homing Project of Parafoil System
    翼伞系统动力学与归航方案研究
短句来源
    The trajectory analysis of GPS automatics homing system in a changing wind
    GPS自动归航系统在变化风场中的轨迹
短句来源
    Optimal Control of Parafoil System Homing
    翼伞系统归航的最优控制
短句来源
    Design of Autonomous Homing Trajectory for Parafoil Delivery System
    翼伞系统自动归航轨迹的设计
短句来源
    Homing Method Research of Precision Landing of Parafoil System
    翼伞精确定点着陆归航方法研究
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  “归航”译为未确定词的双语例句
    Optimal Design in Multiphase Trajectory of Parafoil System
    翼伞系统分段归航轨迹的优化设计
短句来源
    Then the traditional PD controller and gain-scheduling fuzzy PD controller were designed to realize path following of parafoil system.
    同时,基于翼伞系统基本运动特性,提出了一系列有针对性的控制策略,其中重要的一条是,将平均风的影响在轨迹归航中修正,而大气紊流的影响作为干扰由控制器来补偿。
短句来源
    Based on the background of the “Ten-Five”Technology Project, this thesis introduced some important technology used in the helicopter safely landing system with CCD photometry and in the helicopter optoelectronic guiding equipments.
    本论文以十五科技项目为背景,针对直升机归航引导系统和助降系统中的一些关键技术进行了探讨和研究。 为了确保舰载直升机在完成任务后安全返航和着舰,需要通过引导系统和助降系统实时监测直升机的位置并对其归航和着降过程进行控制。
短句来源
    The multiphase flight control algorithm is devised with the principle of improving landing error accuracy and reducing control quantities, the critical parameters in this algorithm are ascertained by simulate optimize method.
    以提高落点精度和减少操纵量为准则 ,设计了分阶段的归航控制程序 ,该程序中的关键参数运用仿真优化方法得以确定。
短句来源
    To validate and improve the parafoil flight control algorithm,the visualized simulation flight envirnment of the parafoil is established.
    为验证和改进翼伞飞行控制程序 ,构建了翼伞归航的可视化仿真环境。
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  homing
The possible reasons for genetic similarity of resident and anadromous forms of Dolly Varden chars inhabiting reservoirs of a definite island are considered (the founder effect, homing, limited migration).
      
A Mutational Analysis of DNA Binding and Cleavage by the Homing Endonuclease PI-SceI
      
We have carried out an extensive mutational analysis of PI-SceI, the best studied intein-like homing endonuclease of the LAGLIDADG family, to find out which amino acid residues are involved in substrate binding and processing.
      
A new mechanism of the phosphodiester bond cleavage, which is common for the Serratia marcescens and I-PpoI nucleases and differs from the known functioning mechanism of the restriction and homing endonucleases, was proposed.
      
The observed pattern of genetic differentiation was probably caused largely by genetic drift under the conditions of a limited gene flow because of homing (which is typical of the Dolly Varden) and the presence of isolated nonanadromous populations.
      
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The gliding parachute systems as a kind of new aerodynamic decelerators, has been attached importance to space recovery technology increasingly. The homing criterion in consideration of wind effect is given for gliding parachute systems with non-proportional automatic homing control. In this paper, the principle of measuring wind using GPS is discussed and the calculating formulas are given.

翼伞作为一种新型气动力减速器日渐受到空间回收技术重视。文中给出了具有非比例自动归航控制的翼伞系统的归航准则(考虑到风的影响)以及利用GPS测量数据计算风场的公式。

This paper analyses the trajectory of GPS automatics homing system in constant wind fields , and discusses the condition under which the gliding parachute system could reach preassigned location. Certain kinds of changing wind fields are presented, the trajectory of radial homing system in changing wind fields were calculated. In order to find weather the radial homing system could reach preassigned location or divergent, simulating program is given. Through the analyses of results of simulation, the solution...

This paper analyses the trajectory of GPS automatics homing system in constant wind fields , and discusses the condition under which the gliding parachute system could reach preassigned location. Certain kinds of changing wind fields are presented, the trajectory of radial homing system in changing wind fields were calculated. In order to find weather the radial homing system could reach preassigned location or divergent, simulating program is given. Through the analyses of results of simulation, the solution about head wind control is presented that GPS orientation technology and the measured data of velocity should be adopted.

研究了全球卫星定位系统 ( GPS)自动归航系统在恒定风场中归航轨迹的计算 ,探讨了系统能够达到预定目标点的条件 ,给出系统在几种变化风场中的轨迹图。为了进一步验证归航轨迹能否回到预定点 ,给出了系统在变化风场中的仿真算法。并通过对仿真结果的分析 ,提出在系统着陆期间利用 GPS定位和测速数据实行逆风控制的方案。

In this paper, the design of controllable parafoil flight control algorithm is introduced. The multiphase flight control algorithm is devised with the principle of improving landing error accuracy and reducing control quantities, the critical parameters in this algorithm are ascertained by simulate optimize method. To validate and improve the parafoil flight control algorithm,the visualized simulation flight envirnment of the parafoil is established. The result of simulation in given conditions, including the...

In this paper, the design of controllable parafoil flight control algorithm is introduced. The multiphase flight control algorithm is devised with the principle of improving landing error accuracy and reducing control quantities, the critical parameters in this algorithm are ascertained by simulate optimize method. To validate and improve the parafoil flight control algorithm,the visualized simulation flight envirnment of the parafoil is established. The result of simulation in given conditions, including the trace of the parafoil system, the outcome of statistical analysis, and the process of reentry in three-dimension scene, can be shown in this simulation environment .

文章介绍可控翼伞飞行控制程序的设计。以提高落点精度和减少操纵量为准则 ,设计了分阶段的归航控制程序 ,该程序中的关键参数运用仿真优化方法得以确定。为验证和改进翼伞飞行控制程序 ,构建了翼伞归航的可视化仿真环境。该仿真环境可以给出在设定条件下归航的仿真结果 ,包含翼伞系统运动轨迹的显示和统计分析结果 ,同时能直观地显示翼伞系统在三维场景中的归航过程。

 
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