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。

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。

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。

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。

On the basis of three groups of orthogonal experiment, the respective and interrelate influence of thickness, cutter's 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。

At the same time, 9 groups data are conversely choosed according to uniform orthogonal array from 71 groups observed data of suspended grid plunge pool, the mold is set up by the method of PPR, the surplus 62 groups data are used to proceed examination, the empirical type optimum design of experiments are proceeded inversely, all of these confirm that a lot of model experimental results can be replaced by a few of test times under nonstrict uniform experimental condition. The result can provide the feasibility reference basis for same kind of model design of experiments in future.

同时从71组悬栅消力池观测数据中，按均匀正交表反选9组数据，用PPR方法建模，剩余的62组数据进行检验，逆向进行了实证性优化试验设计，证实了即使在非严格的均匀试验条件下，仍然可以用少量的试验次数替代大量的模型试验结果，为今后同类模型试验设计提供可行性的参考依据。

Heuristic algorithms are needed to solve the NP-complete problems, which is the method of this paper to study the packing problems. On the basis of lots of tests and the wide research on the packing problems, a heuristic algorithm based on objective and orthogonal decomposition of space is developed to solve the non-guillotine packing problem.

沿着这一优化问题解决的路经，在研究分析现有布局启发式算法的基础上，通过大量布局实验并不断地总结，提出了基于目标和空间正交分解的布局启发式算法，解决布局过程中的非一刀切布局问题。

Radial basis function neural network ; genetic algorithm ; orthogonal least square learning algorithm ; Akaike's information criterion

RBF神经网络；遗传算法；正交最小二乘算法； AIC

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。