随着数据集的数据量和维数的增加，建立高效的、适用于大型数据集的分类法已成为数据挖掘的一个挑战性问题。
With the growth of data in volume and dimensionality, it has become a very challenging problem to build a high-efficient classifier for large databases.
用高斯-牛顿误差最小法将六维观测量转化为四元数，作为观测量的一部分，显著减少了直接使用EKF的计算量。
Gauss-Newton error minimization is used to transform six-dimentional reference vector to quaternion as a part of observations for EKF, which significantly reduces the computational requirement.
归纳三类多传感器量测融合算法，即扩维滤波法、伪序贯滤波法和复合量测滤波法。
Currently there exist three multisensor measurement fusion methods, namely, augmented method, pseudo-sequential filtering method, and combined measurement filtering method.
采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
The stream function-vorticity method has been used to simulate two-dimensional transient state of incompressible viscous flow.
通过用虚假临界点法计算嵌入维数可以使小数据量法更加完善。
The small-data method is improved by false nearest neighbor method calculating embedding dimension.
它的收敛速度在高维情况下优于普通的单纯形法，同时计算量和存贮量均大大减少。
Under the condition of high dimensionality, it converges faster than the common simplex method, while its calculating work and storage space required are reduced greatly.
本文用三维边界单元法对非完全隔水基坑的地下水的渗流域进行求解，运用内边界技术使计算简化并降低计算工作量。
Three dimensional boundary element method is applied to the solution of seepage area of groundwater in foundation pit which is not completely watertight.
该算法在简捷性、实时性和计算量方面优于变维法，其计算精度与变维法基本相当，但优于输入估计法。
The method is simple and simulation shows that its tracking accuracy is as high as that of variable dimension filters more or less the same and higher than input estimation filter′s.
二维解释是采用点源有限单元法，为减少计算量，利用了互换原理。
In the two-dimensional interpretation, we adopt the point source finite-element method and the reciprocity principle which can lighten the calculation burden.
该文采用小波矩量法求解导电平面上的三维腔体散射，利用小波变换稀疏化矩量矩阵，加速其求逆，减少了腔体散射的总体计算时间。
Scattering from three-dimensional cavities is solved using the wavelet-MoM method, while the moment matrix is sparsified with help of the wavelet transform.
本文根据二重性原理及矩形导体板边界条件的特点，提出了二维板表面电、磁流密度的全域基表达式，利用矩量法求解电磁场问题。
The efficient numerical solution in the region of low frequency and resonance is presented for electromagnetic scattering on rectangular conductors and dielectric-coated plates.
利用矩量法研究了三维导体、均匀介质体以及非均匀介质体的电磁散射特性。
In this paper, three-dimensional targets are calculated using MOM. These targets include conducting targets, homogeneous dielectric targets and inhomogeneous dielectric targets.
精确地获得光栅条纹中心线的相对偏移量，在三角形法测量物体三维轮廓技术中占有非常重要的地位。
The sub-pixel accuracy in abstracting the fringe-centerlines can be obtained by the method of barycenter after preprocessing the fringe picture using grating projection.
首先从麦克斯韦方程出发，用伽里金方法推导了三维三分量CSAMT法的有限元方程。
The finite element equation of 3d3c CSAMT electric field is derived from Maxwell equations using Galerkin method.
结论：自行开发研制的计算机三维辅助测量法可以较精确、快速地实现牙磨耗量的测定。
Conclusion the 3-d computer assistant measure system can exactly accomplish the clinical tooth wear measurement.
将矩量法与迭代物理光学法结合解决带有槽缝结构的二维电大尺寸目标的电磁散射问题，并将解决的问题范围拓展到三维电大尺寸金属目标的情况，为混合方法的研究提供了一定的参考依据。
Finally the scattering problems of complex-shaped electrically-large 2d PEC targets are solved based on the hybrid method of IPO and MoM, which can be easily expanded to the 3-d condition.
在铝合金铸件三维温度场计算的基础上，提出了采用动态多熔池等效液面收缩量法对缩孔进行预测；
On the basis of 3-D temperature fields calculation of aluminum alloy casting, the liquid face shrinkage capacity method of varied several melt pool is put forward to predicate shrinkage cavity;
在铝合金铸件三维温度场计算的基础上，提出了采用动态多熔池等效液面收缩量法对缩孔进行预测；
On the basis of 3-D temperature fields calculation of aluminum alloy casting, the liquid face shrinkage capacity method of varied several melt pool is put forward to predicate shrinkage cavity;
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