伴随

Adjoint model ; assimilation system ; model error ; matching terrain

伴随模式；同化系统；模式误差；匹配地形

The results indicate that the adding of conventional and non-conventional observations into adjoint model system can improve the quality of initial field,thereof improve the result of forecasting.

试验表明：在伴随模式同化系统中加入常规和非常规资料，可以改进初始场，从而改善预报场。

Data assimilation ; adjoint model assimilation system ; precipitable water

资料同化；伴随模式同化系统；可降水量

Based on two-dimensional elastic wave equation and adopts the well logs as constraint condition, a new imaging method of crosswell seismic data-elastic wave equation inversion and imaging with the well logs constraint is given by using adjoint theory of distribution-parameter control system.

基于二维弹性波动方程，利用分布参数控制系统的伴随理论，采用测井资料作为约束条件，本文给出了一种井间地震资料速度成像的新方法——井间测井约束弹性波动方程反演成像。

The definition that captures the essence of the symmetry that we need is that of the "adjoint" transformation.

那个 定义，抓住了本质上的对称性，我们需要的是，"伴随"的转变。

The obtained optimal control law consists of analytical linear feedforward and feedback terms and a nonlinear compensation term which is the limit of the adjoint vector sequence.

得到的最优控制律由解析的线性前馈－反馈项和伴随向量序列极限形式的非线性补偿项组成。

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。

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。

Tangent linear and adjoint method of "on-off " switches are studied in this paper.

本文研究了四维变分资料同化中有关"开关"变量的切向线性化和伴随问题。

In the present paper, a new adjoint shape sensitivity analysis method for shape optimization of continuum structures is proposed.

新方法弥补了Arora等人所提出的形状优化灵敏度分析变分原理中的缺陷，为采用伴随法进行灵敏度分析提供了新的框架。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。