查询词典 gradient method

Spacer density of large area carbon nanotube field emissive displays is optimized by gradient method.

采用梯度法对大屏幕碳纳米管场致发射显示器的支撑墙密度进行了优化设计。

By doing so, the application of SDTFM is extended to random geometrical plane region. Compared with FEM, the method has such the advantages as using fewer elements, faster convergence and highter accuracy of computation especially in dealing with high gradient stress.

与单纯用有限元法求解相比较，本文方法具有划分单元少、求解速度快、计算精度高等优点，特别在求解高梯度应力时，显示极大的优势。

The proposed DGF MoM method can be used for high field MRI coil design, for example, the rapid evaluation of RF resonator and high per formance gradient system designs.

所提出的DGF/MoM法可用于高场MRI的线圈优化设计，例如射频线圈的快速评价以及高性能的梯度线圈的快速优化设计。

The exact solutions are then obtained for the equations characterizing flows of such fluids under an arbitrary pressure gradient by the method of integral transforms (Fourier Cosine transform and Laplace transform).

运用积分变换方法(Fourier余弦变换和Laplace变换)，求得了在任意压力梯度下流体运动方程的精确解。

Gradient regularization method ; Frechet derivative ; regularization parameters ; parameter identification ; ill posedness ; elliptic operator equation

梯度正则化方法； Frechet导数；正则参数；参数识别；不适定；椭圆算子方程

By using the Copson method, one of these equations is transformed into a Fredholm integral equation of the second kind to obtain the solution. Furthermore, the intensity factors, the total energy release rate and the mechanical strain energy release rate are obtained and compared with the classical results without considering the electric field gradient effects.

采用了Copson方法，将其中一组对偶积分方程转化为第二类Fredholm 积分方程来进行数值求解，得到了裂纹尖端的强度因子、总能量释放率和机械应变能释放率，并与经典理论中的结果进行了比较。

Secondly, a rule of the choice of step-length is presented for a non-quadratic objective function of n variables, according to the rule we prove that the Gradient Method has local n-step quadratic convergence rate for a non-quadratic function under certain conditions.

其次，对于n个变量的非二次目标函数也提出了一个步长选取的准则，并在此准则下证明了当目标函数满足一定的条件时，梯度法具有局部n-步二阶收敛速度。

In this paper the convergence rate and the global convergence properties of the Gradient Method are studied.

本文研究了梯度法的收敛速度和全局收敛性。

Regarding the circular defects such as leakage gnarl in log, this paper designed an improved Laplace's special gradient method to clarify the target image.

针对原木中的漏节等圆形缺陷，本文设计了改进的拉普拉斯算子法增强图像中目标的清晰度。

Regarding the circular defects such as leakage gnarl in log, this paper designed an improved Laplaces special gradient method to clarify the target image.

针对原木中的漏节等圆形缺陷，本文设计了改进的拉普拉斯算子法增强图像中目标的清晰度。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。