查询词典 non-uniform distribution

The mutual coherence and angular correlation function of scattered wave from two dimensional non-Gaussian rough surfaces is deduced using the Gram-Charlie distribution, then the pulse scattering from two dimensional rough sea surface is calculated, and pulse broadeding is discussed.

基于Gram-Charlie分布函数并利用三阶统计特性推导出了非Gaussian二维粗糙面的双频互相关和角相关函数的计算公式，并以二维海面为例计算了其对几种典型波形脉冲的散射，讨论了脉冲展宽效应。

Sclerotinia sclerotiorum de Bary - a filamentous Ascomycete fungus with a wide host range and geographical distribution, which is one of the most non-specific, omnivorous and successful plant pathogens.

核盘菌Sclerotinia sclerotiorumde Bary是一种放线状子囊真菌，其寄主范围和地理分布十分广泛，是一种相当严重的世界性植物真菌病害。

The company has held a leading position in research, development, manufacture and distribution of the medicine product, bacterin, biological products, nurture and non-description medicine etc.

该公司在研究、开发、制造和销售药品、疫苗、生物制品、营养品和非处方药品等方面处于全球领先地位。

As to the Boolean Function in binary field, We studied its Non-linearity, Linearity Structure, Output Bit Independence Criterion, Balance, Completeness, Strict Avalanche Criterion, Propagation Criterion, Correlation Immunity, Linear Approximation Table and XOR Distribution Table .

对于二元域上的布尔函数主要讨论了其非线性性、线性结构、比特独立准则、平衡性、完整性、雪崩准则、传播准则、相关免疫性、线性分布表及异或分布表等特性。

So the research on non-parameter reliability estimate is changed to the estimating of parameter R in Binomial distribution.

在多层Bayes方法中，提出了R的多层先验分布的构造方法——增函数法，并给出了在无失效数据问题中的应用。

Power-law fluid is used to describe the Non-newtonian rheological property of the produced fluid in a polymer-driving well; the governing equations, boundary and initial equations of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially is established in bipolar coordinates system; formulas of instantaneous flow rate and stress distribution on the outwall of the inner cylinder of the unsteady flow of power-law fluid in eccentric annuli with the inner cylinder reciprocating axially are established.

在理论上，用幂律流体模型描述了聚合物驱油井产出液的非Newton流变性；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中非定常流的控制方程及边界条件和初始条件方程；建立了双极坐标系下幂律流体在内管做轴向往复运动的偏心环空中流动时瞬时流量和流体在内管壁上的压力分布计算公式。

Therefore a new spatial adaptive wavelet thresholding method is presented, which is based on a non-Gaussian bivariate distribution and context modeling for image denoising that is inspired by image coding.

为了更好地进行MR 图像分割处理，本文提出了一种新的空间自适应小波阀值去噪算法，该算法是基于非高斯二元分布的贝叶斯统计模型和上下文模型。

The statistics of the contourlet coefficients of natural images in detail and model contourlet coefficients using non-Gaussian bivariate distribution that captures their interscale dependencies are studied.

详细分析了图像contourlet系数的统计特性，并利用非高斯双变量分布对系数层间相关性进行建模。

M in the Region of East China Sea in 2000,the spatial distribution patterns of cephalopod assemblages were analyzed by using cluster analysis and non-metric multidimensional scaling.

由于过度捕捞和环境变化，传统的鱼类资源急剧下降，近年来头足类资源的产量不断增加[1]，人们越来越关注头足类资源的开发利用。

Second, On the basis of analysis of density distribution of sequence points on the chaotic orbit of one-dimension chaotic mapping, a mutative interval chaotic optimization algorithm is presented in search for the solution optimums of the non-linear constrained problems with multi-variables and multi-peak values. With the objective function probability measurement approaching a limit 1, the convergence of the algorithm on the global optimal solution is proofed by aid of Chebyshev inequality.

二、基于一维混沌映射混沌点集的概率测度分析，提出了一种适于解决多变量多峰值非线性约束问题的新的混沌优化算法——变区间混沌优化算法，并应用切比雪夫不等式论证了算法依概率收敛于全局最优解。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。