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数值    
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  numerical
    Dynamical Analyses,Four-Dimensional Data Assimilation and Numerical Experiment for Typhoon Sea Surface Wind
    台风海面风场的动力分析、四维同化及数值试验
短句来源
    The Application of GPS Observations on Mesoscale Numerical Weather Prediction Model
    GPS资料在中尺度数值预报模式中的应用研究
短句来源
    Dynamical Diagnosis and Numerical Simulation of a Mesoscale Convective Complex
    中尺度对流复合体的动力诊断与数值模拟研究
短句来源
    Observation and Numerical Study of the Microstructure of Aerosol in Sandstorm and Their Effects on Precipitation
    沙尘气溶胶微结构及其对降水影响的观测和数值模拟研究
短句来源
    Features of Vorticity Propagation in the Typhoon Region and the Numerical Study on the Landing Track of Winnie
    台风环流区域涡量传播特征及Winnie台风登陆路径的数值研究
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  value
    The results show: ①The value of A index and K index have some effects on forecasting severe convection weather.
    结果表明:①A指数、K指数的数值大小对于强对流天气的预报具有一定效果。
    In the prediction,the initial value is taken from the objective analysics of T64 grid system of China National Meteorological Center for 00Z the first of June,1996.The SST distribution of June ,1996 is computed from June climate SST adding the SSTA of May,1996.For comparison,an one month prediction using the climate June SST is also calculated.
    在预报中,利用1996年6月1日00Z中国国家气象中心T64的客观分析资料作初值,利用1996年5月的SST距平加到6月气候SST作为6月的SST,作了一个月数值预报。
短句来源
    Numerical weather forecast is the guidance of the lowest temperature forecast: when the forecasting temperatures of Japan 782 and Europe center 850hPa are both lower than -8℃ and the surface allobaric forecast value of 24h is lower than 3hPa, then the temperature in Henan will drop below -10℃ in the next morning.
    数值预报对最低气温的预报有一定指示意义 :当日本 782和欧洲中心 85 0hPa的温度预报 <- 8℃ ,同时 2 4h地面变压预报值≤ 3hPa时 ,第二天凌晨可能会出现 - 10℃以下的低温
短句来源
    Through experimental running,applying 12 and 36 hours forecasting data of T213,the model explanation has good reflection to the rainstorm occurred in southeast Gansu from June 30 to July 2,2005,two aspects both show that the model has practical value.
    试验运行,模型解释应用T213数值预报12 h、36 h的资料,对2005年6月30日至7月2日陇东南出现的暴雨有较好的反映,两方面都说明了模型的实用价值。
短句来源
    Using center criterion numerical forecasting pattern MM5 and 30″×30″ high resolution terrain material,Carried on the value simulation and the non terrain contrast value to 1 rainstorm weather process experiments,Analyzed in Lu the mountainous area terrain to the rainstorm influence.
    利用中尺度数值预报模式MM5和30″×30″的高分辨率地形资料,对一次暴雨天气过程进行数值模拟和无地形的对比数值试验,分析鲁中山区地形对暴雨的影响。
短句来源
  a numerical
    A NUMERICAL EXPERIMENT OF CUMULUS DEVELOPMENT
    积云发展问题的数值试验
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    A NUMERICAL EXPERIMENT BY PRIMITIVE BAROTROPIC EQUATION
    正压原始方程的一个数值试验
短句来源
    A NUMERICAL MODEL OF ATMOSPHERIC BOUNDARY LAYER
    大气边界层的数值模式
短句来源
    A NUMERICAL SIMULATION OF CONCENTRATION IN THE LEE SIDE OF A MOUNTAIN
    背风坡流场和浓度场的数值模拟
短句来源
    A NUMERICAL STUDY OF EVOLUTION OF THE NOCTURNAL URBAN BOUNDARY LAYER
    夜间城市边界层发展的数值研究
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  numerically
    A METHOD NUMERICALLY RESOLVING HOMOGENEOUS INTEGRAL EQUATION AND ITS APPLICATION IN RETRIEVING AEROSOL SIZE DISTRIBUTION
    齐次积分方程数值求解法及在反演气溶胶谱分布上的应用
短句来源
    Using the MM5V3 mesoscale numerical model,the rainstorm in middle Jiangsu Province from 4 to 5 of July 2003 is numerically simulated.
    运用美国中尺度数值模式(MM5)对2003年7月4~5日江苏省中部的大暴雨过程进行了有无降水凝结潜热加热的数值模拟研究。
短句来源
    In the context of the non-hydrostatic MM5,the mixed ice phase,graupel(gsfc),graupel(reisner2) and schultz schemes are used to explore the impact of explicit schemes of cloud precipitation on the uncertainties in the numerically simulated idealized convective storm with full explicit approach.
    利用MM5模式选取mixed phase、graupel(gsfc)、graupel(reisner2)和schultz 4种显式方案对理想的对流风暴进行水平分辨率为2 km的全显式数值模拟,分析不同显式方案模拟的对流风暴不确定性。
短句来源
    Numerically solving the convection-diffusion equation under exponent format
    指数形式下的对流扩散方程的数值求解
短句来源
    The advection equation in two space dimensions is integrated numerically in a long period using the second-order finite difference scheme, the fourth-order finite difference scheme, the cubic spline scheme and the spectral derivative scheme (the pseudospectral scheme), respectively.
    二维平流方程分别用二阶差分方案、四阶差分方案、一维三次样条函数方案及谱导数方案(假谱方案)进行长时间的数值积分,其中风场是给定的均匀旋转风场或形变风场,并分别以不同大小的圆锥状的物理量分布作为初值。
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  numerical
The essential dimension is a numerical invariant of the group; it is often equal to the minimal number of independent parameters required to describe all algebraic objects of a certain type.
      
We do this in a setting that closely resembles the numerical analysis setting of Mallat and Zhong and that seems to capture something of the essence of their (practical) reconstruction method.
      
We do this in a setting that closely resembles the numerical analysis setting of Mallat and Zhong and that seems to capture something of the essence of their (practical) reconstruction method.
      
Mathematical details and numerical examples are included.
      
Then, we describe a numerical method to compute the dual function and give an estimate of the error.
      
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  value
Singular Value Estimates for Certain Convolution-Product Operators
      
We present two-sided singular value estimates for a class of convolution-product operators related to time-frequency localization.
      
Singular Value Estimates for Certain Convolution-Product Operators
      
The sampling theorem is a Kramer-type sampling theorem, but unlike Kramer's theorem the sampling points are not necessarily eigenvalues of some boundary value problems.
      
We study boundary value problems for the time-harmonic form of the Maxwell equations, as well as for other related systems of equations, on arbitrary Lipschitz domains in the three-dimensional Euclidean space.
      
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  a numerical
The essential dimension is a numerical invariant of the group; it is often equal to the minimal number of independent parameters required to describe all algebraic objects of a certain type.
      
Then, we describe a numerical method to compute the dual function and give an estimate of the error.
      
The popularity of PSWFs seems likely to increase in the near future, as band-limited functions become a numerical (as well as an analytical) tool.
      
A numerical example illustrates that the method is available.
      
A numerical example is given to illustrate the solution procedure.
      
更多          
  numerically
It is well known that Gabor expansions generated by a lattice of Nyquist density are numerically unstable, in the sense that they do not constitute frame decompositions.
      
Spherical harmonic series have many of the same wonderful properties as Fourier series, but have lacked one important thing: a numerically stable fast transform analogous to the Fast Fourier Transform (FFT).
      
Finally, we consider the spline of order 2; we investigate numerically the region of the time-frequency plane where it generates a frame and we compute the dual function for some values of the parameters.
      
This makes them numerically attractive for applications in geophysical modeling.
      
It is simple in structure, implementable, numerically efficient and has global convergence.
      
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