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火箭发射
相关语句
  rocket launching
    Dynamics Control of Rocket Launching Systems
    火箭发射系统的动力学控制
短句来源
    Monte Carlo method is applied to numerical simulation of rocket launching. Results The influences of rocket static unbalance, dynamic unequilibrium, and propulsion eccentricity was obtained. Conclusion The effects of rocket manufacturing imperfection to the initial disturbance can not be ignored, which must be considered in rocket weapon development.
    目的 研究火箭弹制造缺陷对起始扰动的影响. 方法 根据火箭武器系统结构特点, 建立火箭起始扰动发射动力学模型, 应用蒙特卡洛方法对火箭发射过程进行数值仿真. 结果 得出了火箭弹质量偏心、动不平衡、推力偏心等对火箭弹起始扰动的影响规律. 结论 火箭弹缺陷对起始扰动的影响不容忽视, 在火箭武器研制中应该对此加以考虑
短句来源
    SIMULATION AND ANALYSIS OF THE DYNAMIC BEHAVIOR FOR A FLEXIBLE SPIN ROCKET LAUNCHING SYSTEM AS EFFECTS OF CLEARANCE
    柔性旋转火箭发射时的弹—管间隙效应
短句来源
    Numerical Simulation of Unsteady Inner Flowflied of Individual Rocket Launching Tube
    单兵火箭发射筒管内非稳态流场数值模拟
短句来源
    In this dissertation, a serial of experimental study of rocket launching noise has been presented, and a new method in processing time history data with rocket noise based on wavelet has also been developed.
    本文对火箭发射噪声进行了专项实验研究,同时应用小波变换处理火箭发射噪声数据。
短句来源
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  rocket launch
    Also a reliable reference to mode experiments and dynamic responses of the whole rocket launch system is provided.
    并为车载火箭发射系统整体结构振动模态试验及动态响应提供了可靠的依据。 本文采用SDRC公司的 I-Deas TM软件进行建模及分析。
短句来源
    The method is concise and convenient for program,simulation and computation. It can be applied in many study fields,such as rocket launch dynamics,external ballistics,firing table.
    该方法简洁方便,易于编制程序及模拟仿真,便于工程人员掌握,可用于火箭发射动力学、外弹道学及射表编制等方面研究,具有一定应用价值。
短句来源
  “火箭发射”译为未确定词的双语例句
    Laser radar test results on rocket and tube launched projectiles
    激光雷达对火箭发射导弹和发射管发射导弹的试验结果
短句来源
    The Study of Generalized Dynamical Equations for Launching System of Multiple Launch Rocket
    多管火箭发射动力学普遍方程的研究
短句来源
    Research of Rocket-Launcher System Mode
    车载火箭发射系统试验模型模态研究
短句来源
    Design and Analysis of Hydraulic Damper of Insert-Draw Mechanism on Rocket Lunching System
    火箭发射系统插拔机构液压阻尼器分析与设计
短句来源
    A STUDY ON THE LAUNCH DYNAMICS OF MULTIPLE LAUNCH ROCKET SYSTEM
    多管火箭发射动力学研究
短句来源
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  rocket launching
In 1997, reliable operation of the EISCAT Svalbard Radar (ESR) was achieved and a rocket launching facility at Ny ?lesund on Svalbard (79°N, 12°E) (SVALRAK) was established.
      
Rocket measurements, of the diffuse X-ray background in the energy range 2-18 keV, conducted from Thumba Equatorial Rocket Launching Station (TERLS), India, are presented.
      
The structure of the equatorial mesosphere is being investigated at Thumba by rocket borne ultraviolet absorption photometry as well as by the meteorological M-100 rocket launching programme.
      
In the same year the Thumba Equatorial Rocket Launching Station in Kerala was established.
      
The strike object was mounted on the rocket launching system that was located below ground level in a pit.
      
  rocket launch
The mechanical solutions of the environmental problems involved in the rocket launch are fully described.
      
The isentropic back trajectory on 400 K showed the air parcels to have stayed clear of active major rocket launch sites.
      
These themes are explored at the rocket launch sites of Woomera (Australia) and Kourou (French Guiana).
      
Already, its rocket launch success is comparable with other programs around the world.
      
Combining existing datasets can create new knowledge; knowledge that does not require a telescope or a rocket launch.
      
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In this paper, the application of horizontal screw elevating gear tolarge scale rocket launcher is described briefly. The formulas of redu-ction ratio for two types of its constructional disposition are derivedseparately in more detail. Finally the effect of constructional para-meters of elevating gear on the variations of reduction ratio is discu-ssed. The paper offers a reference for designing the rocket launcher.

本文简述了卧式螺杆高低机在大型火箭发射装置上的应用,对其两种结构配置较详细地分别推导出传速比的计算式。最后讨论了高低机的结构参数对传速比变化的影响。本报告为火箭发射装置设计提供了参考。

At the end of 1970's the High-low pressure launchingprinciples were introduced to the systems launching the unguided roc-kets so as to improve the concentration of the rockets,and the high-lowpressure launchers were designed. This paper studies the high-low pre-ssure launchers, rejects the subjective conjecture that the flow fieldparameters change with space, and establishes a reasonable mathemati-cal model--a set of unsteady quasi--one--dimensional eulerian eq-uations. The results of numerical calculation with...

At the end of 1970's the High-low pressure launchingprinciples were introduced to the systems launching the unguided roc-kets so as to improve the concentration of the rockets,and the high-lowpressure launchers were designed. This paper studies the high-low pre-ssure launchers, rejects the subjective conjecture that the flow fieldparameters change with space, and establishes a reasonable mathemati-cal model--a set of unsteady quasi--one--dimensional eulerian eq-uations. The results of numerical calculation with the finite volumemethod show satisfactory consistency with the experimental observa-tions, while the working process of the high-low pressure launchers isdescribed in more detail. This paper also analyses the balance charac-teristic of the launchers bodies and reveals that the structure sizegreatly affects the performance of the high-low launchers.

七十年代末,为了提高无控火箭射击密集度,人们将高低压发射原理应用到无控火箭发射系统中,设计成高低压装置。本文对高低压装置气动力问题的探讨,抛弃了现有资料对流场流动参数随空间变化所做的先验性的人为假设,建立了比较合理的数学模型:拟一维非定常的Eular方程组。用有限体积法求解的结果,与实验结果吻合较好,且比较详细地描述了高低压装置的工作过程。本文分析了炮身平衡性能,并指出不同的结构尺寸对高低压装置的工作性能影响很大。

In terms of random vibration characteristics of rocket launchers, this paper presents a new method for estimatingintermediate deviation ?_0 of rocket shell's initialdisturbance cau-sed by rocket launcher's vibration.Theoretical analvsis and com-putational simulation show that the new method not only has hig-her accuracv, but also can simplify the measurement svstem.

本文根据火箭发射装置随机振动的特性,给出了由火箭发射装置振动所引起的火箭弹起始扰动中间偏差φ_0的新估计法.理论分析与计算模拟说明了新估计法具有较高的精度,并且新估计法还能简化测试手段.

 
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