查询词典 assimilation

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。

The author holds it is not reasonable that one can only use the adjoint of model in data assimilation.

关于伴随方法应用中只能利用模式的伴随的观点，作者认为是有疑问的，并提出了新的观点。

In this paper, three kinds of data assimilation schemes are presented at first. And then the adjoint method is introduced in detail.

较系统地综述了资料同化中各种方法的分类，并着重说明了伴随方法的基本原理和具体实现步骤。

Adjoint assimilation method is employed to solve the problem with regularization techniques in inverse problem.

利用伴随同化方法及处理数学物理反问题的技巧对该问题进行了数值研究。

It is pointed out that the classical Lagrange multiplier method is one of the theoretical fundament of the adjoint method in data assimilation.

论述了数据同化中的伴随方法与泛函分析中的伴随算子的关系，指出经典的拉格朗日乘子法可以作为伴随方法的理论基础。

However, the phenomenon of assimilation does not mean the disappearance of the Ainu nation.

但是，同化现象的出现并不等于阿依努民族的消失。

To the modern, the Ainu people of the above-mentioned national identity has been left, in being and the process of gradual assimilation.

到了现代，阿依努人的上述民族特征已经所剩无几，处于被和人逐渐同化的过程之中。

The Japanese government because of long-standing policy of assimilation, the Ainu people and the Yamato clan has not much difference.

由于日本政府长期实行同化政策，现在的阿伊努族人和大和族人已经没有太大的区别。

Thus, the government and all the races whose core language and culture rights are being challenged, must act together to support a fair Bilingual Policy and reject any open or hidden form of English assimilation policy or Anglicization tactics.

因此，代表各族利益的政府，以及核心的语文及文化权益受到挑战的各族人民，必须一起行动，支持一个公平的双语政策，以及拒绝任何公开或隐藏形式的英语同化政策或英语化策略。

Based on the reanalysis of JEDAC datasets and the assimilation of SODA, the authors studied the variation of the heat status in the West Pacific Warm pool and discussed the ocean temperature variety in the heat content at different depths, the inherent relations between ocean temperatures at surface and subsurface, the eastward propagation of anomalous ocean temperature and the thermocline variation, and the influence of equatorial undercurrent on the eastward propagation.

中文摘要：应用 JEDAC 海温和SODA 再分析资料，分析研究了西太平洋暖池的热状况变化特征，探讨了WPWP 的热含量变化与不同深度海温变化，特别是与表层和次表层海温场之间的内在联系，分析研究了WPWP 异常海温东传过程中与温跃层变化之间的关系，最后讨论了赤道潜流在异常海温东传过程的作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。