查询词典 gradient

In each period, without the knowledge of the distribution function of the time between failures and the repair time, the PA estimate of gradient of performance function is put into the stochastic approximation algorithm which recursively optimize the threshold value of the flow control model in a manufacturing system.

在分析过程中，对故障时间和工作时间的分布不做任何假设，利用自适应控制的思想，将整个样本路径依据一定的规则分成有限长的时间段，在每一段时间内用扰动分析估计目标函数的样本导数，然后用随机逼近算法渐进地估计流程控制问题中的最优阈值，从而实现了阈值的自适应控制。

The residual error of adaptive optical system based on stochastic parallel gradient descent control algorithm is analyzed.

对自适应光学系统随机并行梯度下降控制的校正残差进行了分析。

Simulation and Analysis of Stochastic Parallel Gradient Descent Control Algorithm for Adaptive Optics System .

自适应光学系统随机并行梯度下降控制算法仿真与分析。

The code is straight forward which has two circles filled with gradient color and a story board which runs endless, unless stopped.

该代码是直接的，它与渐变色的故事董事会，运行无穷，除非停止填补两个圆圈。

Defined the velocity gradient tensor and showed how it can be broken down into the sum of the strain rate tensor and the rotation rate tensor.

定义速度梯度张量，并说明如何将它表示为应变速率张量与转动率张量的。

MSG and SG theory are generalized to compressible material based on a new decomposition of strain gradient tensor, because the original MSG and SG theories are only suitable for incompressible materials.

因为原先的MSG和SG理论只能适用于不可压缩材料，所以在重新分解应变梯度张量的基础上，本文把MSG和SG理论拓展到可压缩材料。

MSG and SG theory are generalized to compressible material based on a newdecomposition of strain gradient tensor,because the original MSG and SG theoriesare only suitable for incompressible materials.

因为原先的MSG和SG理论只能适用于不可压缩材料，所以在重新分解应变梯度张量的基础上，本文把MSG和SG理论拓展到可压缩材料。

The cost functions of the linear transversal and decision-feedback blind equalizers are proposed in this thesis, which are strictly convex function with respect to the complex tap-weight vector of the equalizer and the error probability. It is proved that their global convergence are guaranteed by using gradient algorithm.

本文提出了线性横向结构的盲均衡价值函数，DF结构的盲均衡价值函数，证明了这两种价值函数对均横器抽头矢量和系统误差概率，都是严格U函数；并且证明了用梯度算法，这两种价值函数保证收敛到全局极小点。

Analog to the discontinuous bifurcation analysis for classic elasto-plastic theory by Ottosen and Runesson et al, the sufficient and necessary conditions of weak discontinuity and strong discontinuity localization bifurcation for the strain-gradient-enhanced-damage model are obtained.

借鉴Ottosen和Runeson等的弹塑性模型不连续局部化分岔方法，对应变梯度损伤模型推导出与梯度相关的强不连续和弱不连续局部化分岔充要条件。

Functional plant ecology is subdiscipline of ecology which studies plant traits variation among species and along an environmental gradient as well as its ecological and evolutionary significance.

植物功能生态学是研究植物种类间或环境梯度内植物某一功能性状变化，阐释其进化意义或生态意义的生态学分支学科；围绕3个主题开展工作：(1)利用功能性状作为研究解释的变量，(2)在种类间，清晰地进行性状比较，表述一般趋势，(3)在环境梯度内，清晰或模糊地比较性状的变化。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。