• 本文提出一种示踪试验计算河流纵向离散系数方法——双站合法。

    In this paper the authors put forward the twin-station fitting method-a new method for calculating the river longitudinal dispersion coefficient by tracing tests.

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  • 有限体积推导通用微分方程离散形式导出了各种离散系数计算公式。

    It derives a discrete type of the common differential equations by the use of the finite volume method, and the formulas for the calculation of the coefficients.

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  • 计算分析了离散有效二阶非线性系数倍频效率影响

    The influences of walk-off Angle on effective second-order nonlinear coefficient and SHG efficiency were also analyzed.

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  • 光线空间的数据压缩中,计算了数据的相关系数采用离散余弦变换(DCT)进行变换分析。

    Data correlation coefficients were calculated and switch regions were analyzed by using two dimension discrete cosine transform (DCT) in ray-space data compression.

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  • 文中阐述了列车动力这种离散分析方法以及在制动力有效系数研究上的应用

    This paper expound this disperse analysis method of train braking force, along with its application to study of braking force effective coefficient.

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  • 通过调查结果进行离散趋势分析因子分析、逐步回归分析、判别分析法克朗巴赫系数等分析方法筛选条目

    Select the items through the discrete trend analysis, factor analysis, stepwise regression analysis, discriminant analysis and Crowns Bach coefficient method to the survey result.

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  • 在众多语音信息隐藏算法中,挑选出一种幅度量化信息嵌入方案,分别离散余弦小波变换通过变换域系数的幅度量化来隐藏信息;

    This paper selects the algorithm by quantifying the amplitude of the transform domain coefficient and uses this algorithm in the discrete Fourier domain and the discrete cosine domain.

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  • 并且,优化过程根据二进制变量权重系数逐步确定离散变量的取值,实现离散变量在优化过程中的逐次归整。

    According to weight coefficient of binary variable, discrete variables can be gradually determined in optimization process, and their discretization can be realized during iteration successively.

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  • 目的研究离散反射透射系数影响

    Aim To study the effects of walk-off Angle on the coefficients of reflection and transmission.

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  • 基于图像离散余弦变换(DCT)交流系数拉普拉斯分布模型,提出了一种盲提取数字图像信息隐藏算法

    The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.

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  • 基于JPEG图像离散余弦变换DCT系数直方图序列提出一种新的检测JPEGMB2隐写方法

    Based on the Discrete Cosine Transform (DCT) coefficient histogram difference sequences of JPEG images, a new steganalytic method was proposed to realize the steganalysis of JPEG MB2.

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  • 对于离散卷积方程组一般采用傅氏变换方法求解某些特定系数的情况下,频率丢失

    For discrete convolution equation set, generally, people use Fourier transform method to solve. But in some positions, zero frequency will lose.

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  • 首先分析总结了线性离散系数奇异系统性及其广义状态一般概念

    First, the general notion of solvability and generalized state solutions for linear discrete coefficient_vary singular systems are analyzed.

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  • 同时,本文还通过分析得到离散单元计算块体的刚度系数选取的合理范围

    Meanwhile, by some examples studied, the reasonable range of stiffness coefficient has been obtained during the discrete element calculating.

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  • 目的为了建立位错方程离散效应修正系数实验上可测量物理量之间联系

    The purpose for giving it is to establish the connection between the parameters of the correction of the discrete effect in the dislocation equation and the measurable p.

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  • 根据离散卷积原理,本文提出一种新的预报控制算法——响应系数预报控制。

    A new predictive algorithm based on discrete convolution theorem is presented in this paper to meet the demand.

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  • 本文通过动力模型试验具有光滑表面刚性块体静摩擦系数关系进行初步探讨,并以模型试验结果验证了离散元数值模型的正确性。

    The relationship between static and dynamic friction coefficients of the rigid blocks with smooth surfaces has been studied preliminarily by means of a dynamic test of rigid blocks in this paper.

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  • 介绍了适于混凝土材料离散单元模型破坏准则计算方程以及弹簧系数计算参数确定方法

    The failure criterion, formula and determination of analytical parameters such as spring modulus of the discrete element model for concrete material were presented.

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  • 采用微分求积法对方程中的空间变量进行离散,得到仅含有时间变量周期系数微分方程组

    By the discretization of spatial variable in the equation, a third-order differential system of equations containing periodic time-varying coefficient is derived.

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  • 用切片理论计算双体流体动力系数一些离散频率出现共振

    Resonance would happen at some discrete frequencies on applying the strip theory to the calculation of hydrodynamic coefficients of catamarans.

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  • 给出基于信息理论广义距离系数新的信息系数离散增量信息系数有所改进应用聚类分析

    A generalized distance coefficient based on information theory was given. The new information coefficient improved the increment of diversity and could be applied to cluster analysis.

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  • 考虑离散影响给出了单轴晶体有效非线性极化系数精确计算公式,并给出了计算举例

    Considering the effect of walk-off Angle, the accurate calculation of effective nonlinear optical coefficient of uniaxial crystal is presented, a example of calculation of BBO is given.

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  • 提出一种基于DCT(离散余弦变换)系数统计特性JPEG图像隐写分析算法

    A steganalysis algorithm based on statistical characteristics of DCT (Discrete Cosine Transform) coefficients for JPEG (Joint Photographic Experts Group) image was proposed.

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  • 本文离散多准则决策理论中的加权方法基础,运用成份分析确定不同评价目标或准则的加权系数从而进行有限方案多目标决策。

    This paper is based on the weighted method and using the principal components to determine the weight coefficients among multiattributes so as to make decisions.

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  • 这一新的信息系数离散增量信息系数有所改进应用聚类分析

    The new information coefficient improved the increment of diversity and could be applied to cluster analysis.

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  • 最后借助上述离散随机复合二项破产模型中探讨个体索赔额对于最终破产概率调节系数影响

    Finally, in virtue of all stochastic orders mentioned above, we explore how the individual claim affects the ruin probability and adjustment coefficient in compound binomial ruin model.

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  • 针对时滞系数未知离散时间线性随机控制系统ARMAX模型),提出种对时滞、阶数和系数同时进行递推估计算法

    This paper proposes a new recursive estimate algorithm for unknown time-delay, orders and coefficients of linear discrete-time stochastic control systems (ARMAX model).

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  • 来自我国西南以及日本两地区的小豆种质遗传离散较大,遗传分化系数相似系数平均值较低

    The material from Southwest China and Japan has relatively high genetic dispersion, low Gst and average value of genetic similarity coefficient.

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  • 同步信号嵌入时域提高搜索效率水印隐藏在离散小波变换低频系数中,以达到较好的棒性。

    Search efficiency is improved by embedding synchronous signals into time domain. Better robustness is achieved by hiding the watermarking into the low frequency coefficient of DWT domain.

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  • 同步信号嵌入时域提高搜索效率水印隐藏在离散小波变换低频系数中,以达到较好的棒性。

    Search efficiency is improved by embedding synchronous signals into time domain. Better robustness is achieved by hiding the watermarking into the low frequency coefficient of DWT domain.

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