查询词典 potential gradient

For a nonlinear autonomous dynamic system, there exists an adjoint system, which is a gradient system. All equilibrium points of the original system are stable equilibrium points in the adjoint system.

对于一个非线性自治动力系统，存在一个伴随系统，该伴随系统是一个梯度系统，原始系统的所有平衡点都是伴随系统的渐近稳定平衡点，并且每一平衡点存在解析形式的Lyapunov函数。

Spectral methods and the classical Crank-Nicolson scheme are applied to deduce the full discrete system for the continuous model, then the variational adjoint assimilation approach is used to derive the gradient and the corresponding adjoint system.

从这个全离散问题出发，结合全局或局部已知的观测数据，分别构造梯度下降算法求解相应的最优化问题。我们分析了采用不同方法计算梯度所需的代价，另外，还给出一种选择最优迭代步长的算法。

But this does not mean that the adjoint method can not be used to calculate the gradient.

但这并不意味着在梯度计算中不能使用伴随方法。

The adjoint model method is introduced to calculate the gradient of the objective function, and then the inverse problem is solved.

正问题和反问题有着本质的不同，在解的定义和求解方法上也有很大的区别。

In this study, an adjustable rate of relative gradient algorithm was proposed.

在独立分量分析的相对梯度算法中，要取得较好的效果，选取合适的学习速率是至关重要的。

When the river's gradient becomes sharp, frothy water is formed consisting of bubbles and aerated water.

当河流坡度十分陡时，常有水泡和汽水组成的泡沫流。

A common gradient combo is blue-to-white, which evokes the effect of aerial perspective , creating the sense that the background fades away towards the horizon.

一个共同的梯度组合是蓝色到白色的，这引起影响的空中视角，创造这个意义上讲，背景消失在地平线以外实现。

Since the conformal structure has excellent aerodynamical performance and does not have the thermal gradient caused by the discontinuous surfaces, the missile radome with such structure may improve the velocity and effective range of the missile system.

共形结构不仅具有良好的空气动力学性能，且不存在由于表面不连续造成的热梯度等问题，因而采用该结构的导弹整流罩更有利于导弹系统作战性能的提高。

Moreover, the gradient density aerogel was expected to be fabricated in this paper.

进一步对连续密度梯度SiO2气凝胶的制备提出了展望。

Aerotaxis A TAXIS in response to an oxygen concentration gradient .

趋氧性：一种对氧浓度梯度产生回应的排序。

The role of the environment is very important.

的作用，环境是非常重要的。

At that time, the High Court of England and Wales Court of Queen's Bench president of William Murray, Lord Mansfield in June 22, 1772 ruling:"No matter then there is the inconvenience, but there must be a decision, I can not say that this case under the law in England are permitted or authorized; are so black should be released."

当时的英格兰及威尔士高等法院王座法庭院长William Murray， Lord Mansfield于1772年6月22日宣判：「无论有那麽不便，但总要有个决定，我不能说这件案在英格兰法律之下是准许或认可；所以黑人是应该被释放。