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随机风场
相关语句
  stochastic wind field
     The 16-dimensional random process is got from using FFT to simulate the stochastic wind field.
     采用快速傅利叶变换(FFT)进行了随机风场的仿真,仿真得到了16维脉动风荷载时程样本。
短句来源
     STOCHASTIC WIND FIELD SIMULATION AND COUPLING WIND-INDUCED RESPONSE STUDY OF MEMBRANE STRUCTURES
     薄膜结构随机风场模拟和耦合风振响应分析
短句来源
     Under the above premises,in this paper the Meyer wavelet base and then the inverse wavelet transform are employed to simulate the stochastic wind field.
     针对这一点,采用Meyer小波基,利用小波逆变换,模拟随机风场的脉动风。
短句来源
     According to this method, a stochastic wind field on the main beam of a suspended bridge with a span of 1000m was simulated so that the efficiency of the method was verified.
     文章最后利用改进后的方法模拟了跨度为1000m的一座悬索桥的主梁随机风场,验证了方法的有效性.
短句来源
     Auto-regressive moving average (ARMA) model is presented for synthesizing the stochastic wind field on membrane structures.
     应用自回归滑动平均(ARMA)模型对大跨度薄膜结构随机风场进行了数值仿真;
短句来源
更多       
  random wind field
     INFLUENCE OF RANDOM WIND FIELD ON THE INFRARED RADIANCE STATISTICS DISTRIBUTION OF NATURAL TERRAIN
     随机风场对自然地表红外辐射统计分布的影响
短句来源
     The random wind field model and the model of the multpletubed rocket's bullet movement trace are established in the paper.
     建立了随机风场模型和多管火箭弹运动轨迹模型.
短句来源
     According to the simulation model, the random wind field and the situation of the points of impact of multipletubed rocked artillery uder the effect of the field are simulated. After that, the effect of the random wind on the concentration of the points of impact of the rocket is analysed by using Monte Carlo method.
     通过此仿真模型,对随机风场及在此随机风场作用下多管火箭弹落点的情况进行仿真模拟,利用蒙特卡罗法分析了随机风对多管火箭弹落点密集度的影响.
短句来源
  random wind
     INFLUENCE OF RANDOM WIND FIELD ON THE INFRARED RADIANCE STATISTICS DISTRIBUTION OF NATURAL TERRAIN
     随机风场对自然地表红外辐射统计分布的影响
短句来源
     The Actualizing Process of Random Ballistics System( RBS) with the Action of Random Wind
     随机风场作用下弹道仿真的实施过程
短句来源
     In this paper, the random process theory is used to study the problem of the dispersion of rockets effected by the random wind in the exterior ballistics.
     本文应用随机过程理论,研究了火箭外弹道学中随机风场作用下,火箭弹的散布问题。
短句来源
     DISPERSION OF ROCKETS UNDER CONDITIONS OF THE RANDOM WIND
     随机风场作用下火箭弹的散布
短句来源
     The random wind field model and the model of the multpletubed rocket's bullet movement trace are established in the paper.
     建立了随机风场模型和多管火箭弹运动轨迹模型.
短句来源
更多       
  “随机风场”译为未确定词的双语例句
     Research on Wind Stochastic Field and Analysis of Dynamic Reliability for High-Rise Building with Wind Loading
     随机风场研究与高耸、高层结构抗风可靠性分析
短句来源
     Compared with the analysis in frequency domain, the analysis in time domain can simulate time history .
     对时域分析而言,还涉及到由频域中的抖振力的时间历程的模拟,即随机风场的模拟。
短句来源
     It is very difficult for current research methods, such as random process theory and random vibration theory, to correctly analyze the dynamic reliability of high-rise buildings subjected to wind stochastic field.
     现有研究方法,如随机过程理论和随机振动理论,很难正确地分析随机风场作用下高耸、高层结构的动力可靠性。
短句来源
     Herein, researches on wind stochastic field and the dynamic reliability of wind-excited high-rise buildings are carried on thoroughly based on the basic idea of physical random system.
     鉴于此,本文基于物理随机系统的基本观念,深入开展了随机风场的研究和高耸、高层结构的抗风动力可靠性研究。
短句来源
     From the standpoint of random sample, stochastic Fourier spectrum model of wind field is proposed.
     通过研究表明,该技术计算生成的脉动风场不仅可以表征随机风场在时域上的随机特性,而且可以反映具体风环境的影响。
短句来源
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  random wind field
Regarding the multi-point representation of random wind field the description of spatial coherence is essential for any functional description.
      
  random wind
By means of the technique it becomes possible to adopt with a high degree of reliability a correct decision as to whether to continue or to halt drilling when the platform is functioning under conditions of random wind and wave disturbances.
      
OSS structural displacements due to average static loads of 75 N Dynamic response analysis to a random wind load was then performed.
      
Regarding the multi-point representation of random wind field the description of spatial coherence is essential for any functional description.
      


In this paper, the random process theory is used to study the problem of the dispersion of rockets effected by the random wind in the exterior ballistics. When the mathematical model of the dispersion was obtained, we analysed some basic laws of the dispersion, represented the physical nature of these laws according to the spectral structure of the wind field and proved that the gust intensity σ_w and the scale of turbulence L are two important physical parameters upon which the dispersion depends.

本文应用随机过程理论,研究了火箭外弹道学中随机风场作用下,火箭弹的散布问题。在导出描述散布的数学模型之后,分析了散布的若干基本规律,并根据风场的谱结构,阐明了这些规律的物理特性,证明了风场的阵性强度σ_w与扰动尺度L是决定散布的二个重要物理参量。

In this paper, the error for the effects of the ground wind in a three-dimensional random wind field is analysed by applying the state space method, the mathematical model of error is derived and a practical compensation model based on the numerical result is provided. It consisits of the simplified coverting method for ballistic wind in the active phase of the rocket, determination of the conversion coeffieiend and the most optimum altitude and times for wind measurement, and the time interval between the measurements....

In this paper, the error for the effects of the ground wind in a three-dimensional random wind field is analysed by applying the state space method, the mathematical model of error is derived and a practical compensation model based on the numerical result is provided. It consisits of the simplified coverting method for ballistic wind in the active phase of the rocket, determination of the conversion coeffieiend and the most optimum altitude and times for wind measurement, and the time interval between the measurements. This model is useful for all the rocket artillery units.

本文利用状态空间法在三维随机风场中对地面风的影响进行误差分析,导出误差的数学模型,并在数值结果的基础上提出了实用的修正模式,包括火箭主动段弹道风的简便换算方法,换算系数的确定,最有利的测风高度,测风次数,各次测风的时间间隔等,这个模式对现有的野战火箭炮兵都是可用的。

The infrared radiance statistics of natural terrain in a random wind field was analyzed based on the heat balance equation,in which the effects of latent and sensible hea texchanges and atmospheric thermal radiation are under consideration. The results show that the statistics distribution,average value,variance,skewness and kurtosis of radiative temperature of bare terrain vary not only with the average wind speed,but also with the fluctuation of wind. As a result of the latent heat exchange, the average temperature...

The infrared radiance statistics of natural terrain in a random wind field was analyzed based on the heat balance equation,in which the effects of latent and sensible hea texchanges and atmospheric thermal radiation are under consideration. The results show that the statistics distribution,average value,variance,skewness and kurtosis of radiative temperature of bare terrain vary not only with the average wind speed,but also with the fluctuation of wind. As a result of the latent heat exchange, the average temperature of natural terrain is obviously lower than that of dry bare ground,where there is no latent heat exchange.

根据地表稳态热平衡方程,考虑自然地表的潜热和感热及大气热辐射的作用,分析了随机风场中裸露地表热辐射的统计特性,结果表明:地表辐射温度分布的概率密度、平均值、方差、偏斜度和峰态随着平均风速及其起伏而变化,由于地表潜热的交换,其平均温度显然低于无潜热交换的干燥裸露地表的平均温度.

 
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