查询词典 orthogonal basis

On the basis of orthogonal experiment, the effect of Mg content and heat treatment on mechanical properties of near eutectic Al Si cast alloys modified with Sr has been investigated.

以正交试验为基础，通过调整Mg含量和热处理工艺，分析它们对Sr变质近共晶Al Si 铸造合金力学性能的影响。

By applying elementary transformation,this paper obtains a new method to search for a normal orthogonal basis in Euclid space, it also gives a procedure by which the fewer third elementary transformations are enough to realize this method.

导出用初等变换法求Euclid空间的标准正交基的方法，并进一步获得了只需进行较少次数的第三种类型的初等变换就能实现这一方法的结果。

The approach presents more freedom when choosing frame or orthogonal basis of one-way wave marching algorithm.

该方法在构造单程波的步进算法时，在选择标架或正交基等方面有更大的自由度。

In this paper, a general, strain-consistent, third-order displacement field of shells is proposed. On this basis, the nonlinear theory of composite laminated shells including third-order transverse shear deformation and rotary inertia is developed. Hamilton's variational principle is used to derive the nonlinear static and dynamic governing differential equations and the corresponding boundary conditions of composite laminated anisotropic general shells under the orthogonal curvilinear coordinates. And the form of spherical shells is degenerated.

本文提出了一种最普遍的应变协调、三阶壳体位移场，在此基础上建立了考虑三阶横向剪切变形和旋转惯性的复合材料层合壳体非线性理论，用Hamilton变分原理导出了复合材料层合各向异性任意壳体在正交曲线坐标系下的非线性静、动力控制微分方程和相应的边界条件，并将其蜕化为球壳形式。

This method is established on the basis of and is self-consistent with the decomposition of Empirical Orthogonal Function. It does not need any prior information and can estimate the error of the reconstructed data.

此方法是一种自适应的EOF分解方法，不需要任何先验信息，并且能估算出重构数据的误差大小。

These factors include the number of snapshots, basis functions based on proper orthogonal decomposition mode and the ratio between large- and short-scale time steps.

本文我们将基于POD方法的Equation-Free POD方法应用到热带太平洋区域上的大尺度大洋环流的约化重力模式。

Conventionally the electric load forecasting can hardly attain a result whose accuracy meets what's required. A short-term load forecasting model is therefore developed to solve the problem, based on the process neural network of which the input is the function of time and the high forecasting accuracy is available. Describes the structure of the model, discrete data fitting method by the expansion of function orthogonal basis and learning algorithm.

针对目前常用方法在解决负荷预测问题时，结果往往难以达到工程要求精度的现状，利用过程神经网络输入为时间函数以及预测精度高的特点，建立了基于过程神经网络的电力系统短期负荷预测模型；给出了模型的结构，基于函数正交基展开的离散数据拟合方法以及模型的学习算法。

In order to improve the redundancy and computing capability of S transform, a more efficient representation is introduced, by introducing an orthogonal set of basis functions that localizes the spectrum and retains the advantageous phase properties of the S-transform.

为了改善S变换的冗余度，提高S变换的计算能力，研究了S变换的一种有效表示。通过引进一组正交基函数来局部化频谱，并保留S变换相位特性上的优势。

In this algorithm, first, the nonlinear kernel mapping is used to map the face data into an implicit feature space, and then a linear transformation which produces orthogonal basis functions is performed to preserve locality geometric structures of the face image.

该算法首先利用核的方法提取人脸图像中的非线性信息，并将其投影在一个高维非线性空间，在保证各向量正交的同时，通过局部保持投影算法做一线性映射，从而更好地提取人脸非线性局部邻域结构特征。

On the basis of three groups of orthogonal experiment, the respective and interrelate influence of thickness, cutters overhanging amount and helical depth on

分析了薄壁件的加工策略，经过试验验证，表明用小直径铣刀高速铣削薄壁件的工艺性最好。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。