- 更多网络例句与交替函数相关的网络例句 [注:此内容来源于网络,仅供参考]
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This study uses the height function to track the free surface, and the body-fitted coordinate system is used to generate a coordinate surface coindent with the boundary contours in the physical plate.
为求解本研究的流动现象,除了以高度函数法追踪液面外,并以物体嵌合座标系统克服翼形的不规则形状,同时采用SIMPLE数值法来处理整个数值运算过程,并配合交替方向隐式A.D.I。
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The rolling effects of horizontal and edger rolls were both taken into account during load distribution, and iterative computations were done alternately along the width and thickness of work piece by virtue of the equal load function to optimize the rolling schedule step by step.
分配时兼顾水平辊和立辊轧制的影响,在宽度和厚度两个方向进行等负荷函数的交替迭代计算,逐步优化规程,并在外层迭代中设置了机组轧制负荷超限情况下的道次数自动修正。
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Leastsquare method and Lagrange's interpolation formula see their applicationsfor fitting fore-and-aft lines-whose aim is to calculate the intersection point ofequivalent inclined waterline-and differences. In order to replace theinconvenient alternate conduct of drawing and calculating, improvement hasbeen introduced into the paper which means all work can be done bycomputer. Capacity calculation cannot be done without boundary layer build-up. Fit every area curve and area moment curve is necessary because ofinterpolation.
在第二章中,给出了B样条函数的数学表达形式,推导了B样条曲线下所围面积、面积矩公式;讨论了最小二乘法和拉格朗日插值法的数学形式,并在拟合船体型线上给出首、尾轮廓线的具体实例,对比不同方法进行拟合的差异,其目的是为了求得与等体积倾斜水线的交点;而水线的确定改变了以往人工作图与计算交替进行的不足,尝试用计算机完全代替人工作图,以求有所改进;在舱容计算中,在至少包括舱室前、后壁的范围内拟合横剖面积、面积矩曲线,插值求得任一纵向位置处的剖面,以解决舱室边界条件。
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This paper derivates deterministic maximum likelihood DOA estimation algorithm cost function,then utilizes alternating projection algorithm for optimization.
推导出确定性最大似然波达方向估计算法的代价函数,然后应用交替投影算法进行优化。
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The results of numerical experiments, using the four-dimensional variational data assimilation system of the nonhydrostatic mesoscale model MM5, show that: the tangent linear model and adjoint model conducted by keeping the "on-off" switches the same as the basic state, can provide a good approximation of the first-order information to the NLM perturbation and a good descent direction for the minimization procedure; switching on and off at every other time step in the Kuo cumulus parameterization scheme don"t impact the convergence rate of cost function; the existence of the switches don"t impact improvement to the MM5 model rainfall prediction because that not only specific humidity ,but also wind, temperature and pressure are assimilated into the model.
非静力中尺度数值模式MM5的四维变分资料同化系统进行的数值试验结果表明:"开关"变量保持与基态一致,所构造的切向线性模式能够提供关于非线性模式扰动的一阶近似,伴随模式所计算的梯度值能够为最小化过程提供较好的下降方向;郭氏降水参数化方案中对流每隔一个积分步的交替发生并不影响目标函数最小化的收敛速度;"开关"变量的存在也不影响将风、温度、气压和比湿结合起来同化对MM5降水预报准确性的提高。
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Summary In this paper, a brief history review of works on the theory of electromagnetic flowmeters is given. A method named'Alternative iteraction method for approaching real boundaries'is presented to solve Laplace's equation with mixed boundary conditions in electromagnetic flowmeters. The orthogonal expansion is used to analyze weight vectors and flow distribition effects on the sensitivity of the flowmeters.
本文在总结和分析了前人在电磁流量计变送器方面的理论研究成果后,首次提出了"交替迭代逼近边界"的方法求解电磁流量计理论研究中遇到的Laplace方程的混合边界条件问题;采用正交函数展开的方法研究权函数以及被测流体速度分布不规则对仪表输出的影响;采用保角变换的方法首次求解出电磁流量计偏心环域上的权函数。
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By iteratively combining these two procedures we achieve a way of training the configuration of RBFNN. In addition, the algorithm is very robust with respect to the noise level. Simulation experiments show that the proposed algorithms are sound. In chapter 3, which is the extension of chapter 2, the improvements of the architectures of RBFNNs and the solutions of their relating problems are discussed, Firstly, an new distance metric is advanced and a forward orthogonal least square selection procedure is applied to learning the parameters of classification function and selecting the important input nodes.
首先分析了目前存在的同时确定RBFNN结构和参数的方法的缺陷,在此基础上提出了用基于拉马克的进化学说的进化编程算法来改进算法,以克服某些缺陷;然后针对受到严重噪声污染的系统,如何提高RBFNN的泛化能力的问题,利用基于AIC的适应度函数的改进遗传算法学习结构和参数;最后介绍基于MDL原理的方法,将优化网络的结构和参数分为两个阶段:训练和进化,先自适应地改变RBFNN基函数的中心和宽度,同时训练输出线性权值,再用基于MDL原理的适应度函数的标准GA来优化隐层节点,通过交替使用这两过程达到训练RBFNN的结构和参数的目的,该算法具有较强的鲁棒性。
- 更多网络解释与交替函数相关的网络解释 [注:此内容来源于网络,仅供参考]
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alternating form:交错形式
alternating direction method 交替方向法 | alternating form 交错形式 | alternating function 反对称函数
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alternant:交替函数
altern 交错群落 | alternant 交替函数 | alternantalternatinginteractive 交互的