查询词典 assimilation product

In this context conventional and non-conventional observations are assimilated by MM5 adjoint-model assimilation system so as to do research on the quality of the assimilation system and the role of CDW in improving the prediction.

本文就是利用MM5伴随模式同化系统，同化常规观测资料以及非常规资料，以研究该同化系统的特性以及卫星云导风资料对于改善预报所起的作用。

In order to find the impact of cloud drift winds on variational data assimilation system and to provide reference for operational forecast of tropical cyclone, firstly errors of water vapor winds and infrared cloud drift winds in different levels have been analyzed in this paper; then, cloud drift winds of geostationary meteorological satellites-GMS 5 have been added in the GRAPES three-dimensional variational data assimilation system with radiosonde data.

首先分析了不同通道和层次的静止气象卫星云迹风产品的误差特征；然后，把云迹风资料放到GRAPES三维变分同化系统中进行同化，通过将不同观测类型资料的同化结果进行对比，探讨了红外通道和水汽通道云迹风资料对数值预报分析场的影响；最后，把同化后的分析场作为初始场，用WRF模式对2002年"森拉克"台风做24小时预报实验。

The vertical diffusivity coefficient of the South China Sea is studied by the adjoint data assimilation method in this thesis. The satellite data SST and the harmonic constant of M2, S2, Kb 0, extracted from TOPEX/POSEIDON satellite altimeter are used in data assimilation. So the average of the vertical diffusivity coefficients of the South China Sea in the thermocline in January, April, July, October, 1997 are2.2 10-4/m2s-1, 7.8 10-5m2s-1 , 1.0 10-4m2s-1 , 1.0 10-4m2s-1 respectively.

本文是用伴随同化的方法研究南中国海垂直混合系数，将卫星观测SST数据和从TOPEX/POSEIDON卫星高度计提取的M_2，S_2，K_1，O_1分潮调和常数作为同化资料，得出1997年1、4、7、10月份的南中国海在温跃层处的垂直混合系数，它们的平均值分别是2.2×10~(-4)m~2s~(-1)， 7.8×10~(-5)m~2s~(-1)，1.0×10~(-4)m~2s~(-1)，1.0×10~(-4)m~2s~(-1)。

Further, according to the positity of the Hessian matrix, which is got from the second order adjoint model, the uniqueness of the assimilation result is manifest. And the relationship between the rate of convergence and the frequency of the observation utilization in the assimilation is investigated.

进一步，借助二阶伴随模式所得到的Hessian矩阵，说明同化解是唯一的，并分析了优化算法的收敛速度与同化过程中观测资料使用频率的关系。

For the expression of national relation- ship, there were different version such as nation monogenism and nation Assimilation, all are emphasized the monogenism and assimilation in genesis.

中华民族一词在清末出现时，主要有三种表述：一是指中国境内独立的各民族，二是指以汉族为主体的集合，三是指汉族。

After the establishment of Republic of China, the signification of Collection of nations was paid more attention to. For the expression of national relationship, there were different version such as nation monogenism and nation Assimilation, all are emphasized the monogenism and assimilation in genesis. In later 1930's, nation amalgamation became the main expression which focused on the amalgation of nations as well as the eguality. All the expression influenced each other and founded Chinese history and culture. Chinese nation has become the public cognition.

民国成立后，中华民族为"各民族总体"的含义被重视，民族关系表述上，有"民族一元说"和"民族同化说"等方式，强调中国各民族起源上的一致性和外族与汉族的同化。1930年代后，"民族融合"成为主要表述方式，注重中国各民族历史上的融合以及现实中的平等关系，他们互相影响，共同创造了中国的历史和文化，"中华民族"成为全民族的认同。

First the Nisei's assimilation makes active influence on the whole Japanese American social status and accelerates the processes of Japanese American assimilation.

首先：第二代日裔美国人同化对日裔人社会地位产生了巨大而积极的影响，提高了日裔的社会地位加速了日裔同化的进程。

This paper attempt to recall the Japanese American's history briefly and analyses the factor which affect the Nisei's assimilation and make proper appraise on the status of Nisei in Japanese American assimilation.

本文通过回顾日裔美国人的历史，重点分析影响第二代日裔同化的因素，进而对第二代日裔在日裔美国人同化中的地位做出恰当评价。

It is presented that indirect assimilation experiment of CMW data from TCFM method improves effectively not only on vertical velocity field but for precipitation.4 Based on theory analysis, E-Ir relationship is brought forward with two electrification mechanisms. One is inductive mechanism, i.e., cloud particles collide with precipitation particles then flick away, the other is noninductive mechanism because of different temperature, i.e., bigger supercooled cloud particles collide and freeze with hail particles combined with ice scraps. By means of CINRAD and FY2C data assimilation, precipitation intensity Ir can be obtained, then electric field intensity E, discharge time and locations can be achieved with supposed threshold 300KV/m. Though it can not distinguish between IC (Intra-Cloud) lightning and CG (Cloud-to-Ground) lightning, results are still comparable to LLS observations.5 Example analysis shows that the relationship between precipitation data from AMS and CG data from LLS is not very clear.

同化实验对于台风眼区的螺旋形雨带贡献显著，说明TCFM云导风资料同化实验不仅有效调整了模式的垂直速度场，还对降水模拟有了明显改善。4通过理论分析，利用云粒子与极化降水粒子碰撞并弹离的感应起电机制和较大过冷云滴与雹粒碰冻并产生冰屑的温差起电机制下得到的E-Ir，由雷达、卫星遥感资料直接和间接同化模拟得到Ir，来反推E，了解雷暴云中闪电强度的平面分布，设置放电阈值为300KV/m，推算出放电的位置和首次发生闪电的时间。

In the end, we built a model of the 4-D variational data assimilation for a barotropic primitive equation based on GA and compared with the adjoint assimilation model.

同时，以正压原始方程组为例建立了基于遗传算法的变分同化模型，并从多方面与伴随模式变分同化系统进行了分析比较。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。