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火箭    
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  rocket
    Data Pretreatment Methods before Rocket Error Separating
    火箭误差分离前的数据预处理方法
短句来源
    This paper introduces the principles of Doppler radar signal processing method in the modulation . It provides the processing method for projectile tracer time, the burst time. rocket engine working time.
    介绍了测速雷达调制域弹道信息处理方法的工作原理,详细论述了从测速雷达信号中处理弹丸曳光时间、底排燃烧工作时间、火箭发动机工作时间、弹丸旋转速度、飞行姿态角和摆动周期等弹道信息的方法。
短句来源
    The structure of satellite antenna is increasingly faced to the requirement of enlargement now, which is contradict to the effective transportation capacity of the rocket, the solution is to use the reasonable space deployable structure on the satellite antenna.
    卫星天线结构目前正日益面临着大型化的需求,而这一需求又与火箭的有效运载容积和能力之间存在着矛盾,解决的方法是将合理的空间展开结构用于卫星天线。
短句来源
    In the field of modern control theory, it is a significant matter to study the signal estimation for stochastic systems with multiplicative noise, which is to obtain useful information from signals polluted by noises, for example, the state estimation of the dynamic system, the signal deconvolution estimation and the parameter recognition estimation, etc. It has important values of application in many fields, such as rocket control and guidance system, oil exploration, underwater object tracking, speech signal processing, communication engineering etc.
    研究带乘性噪声随机系统的信号估计(即从受到噪声污染的观测信号中提取有用信息)是现代控制理论的一个重要内容,如:动态系统的状态估计、信号反褶积估计及参数辨识估计等,它对于火箭的制导和控制系统、石油勘探、水下目标跟踪、语音处理、通讯工程等诸多领域有重要的应用价值。
短句来源
    On the above-mentioned cognitive foundation, we try to study the electromagnetic reflectance of polar mesosphere in summer based on the theory of wave propagation in layered medium and under the precondition of ignoring the impact of anisotropy, The results of sounding rocket campaigns indicate that the electron density and the dust charge density of polar mesosphere in summer have layered structure.
    在上述认识的基础上,我们尝试从分层媒质的波传播理论出发,在忽略各项异性的前提下,研究了夏季极区中层顶的电磁波反射特性。 火箭探空实验结果表明,夏季极区中层顶的电子密度、尘埃电荷密度均存在明显的分层结构。
短句来源
更多       
  rockets
    Radar Application in Determining Launch Parameters of Rockets or Anti aircraft Guns for Seed Clouds
    雷达在确定火箭高炮发射角中的应用
短句来源
    All these research results are widely applied in military field such as aircraft, missiles and rockets but also in commercial areas such as mobile satellite communications, the broadcast satellite system, global positioning system (GPS), remote sensing.
    这些研究成果不仅在军事领域,如飞机上、导弹上、火箭上等,还在商业领域,如移动卫星通信,广播卫星,全球卫星定位系统,遥感等方面有着极其广泛的应用。
短句来源
    The research work of the paper is with the servo system of measure radar, the author has participated in some previous transformations of the radar servo system and trouble hunting, has participated in and finished splendidly such scientific research task as rockets, satellite and airship, etc.
    论文研究工作是以某测量雷达伺服系统而展开的,作者多次参与了该雷达伺服系统改造和故障检修,多次参与并出色完成了有关火箭、卫星和飞船等科研试验海上测量任务。
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  rocket
Microbiological Degradation of Asymmetric Dimethylhydrazine, a Toxic Rocket Fuel Ingredient
      
The possibility of microbiological cleaning of water and soil polluted with asymmetric dimethylhydrazine (ADMH), a highly toxic ingredient of rocket fuel (IRF), was studied.
      
Consideration was given to the controlled solid bodies such as aircraft, rocket, and so on moving in the aerodynamic medium.
      
Peculiarities of Estimating the Aircraft Performance Characteristics of the Rocket-and-Space Facilities under Conditions of Fuzz
      
The method is based on the results of measurements of the state parameters and geophysical conditions of the employment of the rocket-and-space facilities under conditions of uncertainty of the a priori data on measurement errors.
      
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  rocket motor
Numerical simulation of a liquid propellant rocket motor
      
Numerical computations have been carried out in an inert simulator of solid propellant rocket motor with the aid of a standard k-ω turbulence model.
      
Amplitude and frequency of self-oscillations in the chamber of a multimode liquid-fuel (Hydrazine) rocket motor
      
Influence of inverse flow on the operation of a hydrazine-based liquid-fuel rocket motor
      
Calculating the amplitude and frequency of thermokinetic self-oscillations in the chamber of a liquid-fuel rocket motor with the
      
更多          
  propellant rocket
Monte Carlo simulation algorithms are given which are intended for the calculation of the spectral emissivity of jets of combustion products of solid-propellant rocket motors (SRM).
      
The Outflow of a Two-Phase Gas-Liquid Mixture from the Mixing Head of a Gas Generator when Starting a Liquid-Propellant Rocket E
      
This paper deals with the problems of mathematical simulation of the start-up of a liquid-propellant rocket engine (LPRE), which are associated with two-phase flows in the mixing heads (MH) of combustors and gas generators.
      
The instability of the working process in the combustion chamber of a solid-propellant rocket engine
      
Heat transfer in the thrust chamber is of great importance in the design of liquid propellant rocket engines.
      
更多          
  rockets
Ions with a Mass Number of Two in Mass-Spectrometric Experiments aboard Rockets and Satellites
      
Results of the calculation of the structure of relaxation shock waves in gas suspensions of the solid fuel of rockets are given in [8].
      
The mass-energy and specific characteristics of the propulsive jet discharges of rockets were factorized.
      
Variations in the electron density in the midlatitude ionospheric D region during launches and flights of different-type rockets at various distances from the launching site have been experimentally studied using partial reflections.
      
Coning motion stability of wrap around fin rockets
      
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