查询词典 modeling

Analysis shows that the proposed modeling method has the following advantages,(1) the aircraft or component geometry is approximated by finite element patches, which may well reflect the reality,(2) the liquid model is considered,(3) critical and noncritical component are modeled separately, so as to reduce the human errors, and (4) it has good interface with the commonly used finite element modeling software, which may reduce the repetitive work.

应用中表明，所提出的方法具有以下特点：(1)飞机及部件外形的几何形状均采用有限元逼近，可以真实的反映实际情况；(2)模型考虑了液体模型的建立方法；(3)致命部件及非致命性部件单独建模，可以减少人为因素影响；(4)与有限元建模软件结合紧密，可以减少重复性的工作。

The results from modeling and that from bioassay with Plutella xylostella appear to have a better consistency. It suggests that the resistance simulation modeling might be useful for predicting and analyzing the evolution of resistance of pest population to insecticides.

以小菜蛾Plutella xylostella为模型昆虫所作的试验结果表明，模型模拟与验证试验的结果具有较好的一致性，说明抗性模拟模型可用于害虫种群的抗性演化预测和分析。

In the paper, the soft of Sim for NSPK has been impoved ,and the coal burning model in the calciner and the pressure model in the NSP system have been build by using the modeling method of recognization. At the same time, The soft has been optimized to make the code and the structure of the soft more reasonable and simple. And through modeling and optimizing the soft, the dynamic simulation is realized preparatorily in the soft and it affords the condition for the real dynamic simulation.

本文修正并完善了Sim for NSPK新型干法窑系统仿真软件，根据已有的相关理论以及经验、生产数据运用辨识建模方法建立了分解炉内煤粉燃烧模型、窑外预分解系统的压力模型，规范了程序编排，并且使仿真软件能够较形象、动态地反映水泥烧成系统各参数随给定控制参数的变化而改变的过程，使仿真软件的功能和易用性大大提升了一步。

Firstly, the basic concept of software/hardware co-design and the present research situation worldwide is introduced, the techniques are also discussed separately in the thesis, which is in the system description stage, system architecture design stage, hardware/software design and implementation stage. Secondly, combined with three representative methods of hardware/software co-design systems: POLIS、VULCAN and CORSAIR, the main steps of co-design are studied and analyzed including system description, hardware/software partitioning and hardware/software implementation-synthesis, and some new ideas are given here. Thirdly, UML and modeling technology of embedded systems using UML are described clearly, a handheld terminals is a good example for this, furthermore, the algorithm of how to convert the UML diagram into SystemC codes is mainly concerned on in this thesis. Fourthly, the basic concept of SystemC is described, and the SystemC Modeling platform and simulation mechanism are analyzed, software/hardware co-design methods using SystemC are discussed. Finally, by applying co-design ideas using UML and SystemC, software/hardware co-design system using UML and SystemC is preparatorily implemented, which is to establish a development environment for designing embedded system.

本文首先介绍了软硬件协同设计的基本概念和国内外研究现状，并分别论述了系统描述阶段的技术、系统结构设计阶段的技术、软硬件设计与实现阶段的技术；接着结合POLIS、VULCAN和CORSAIR 三种有代表性的软硬件协同设计方法，对系统描述、软硬件划分、软硬件实现综合等几个主要设计步骤进行了研究与分析，并提出了新的方法和思路；然后详细介绍了UML及基于UML的嵌入式系统建模技术，并以嵌入式手持终端系统来举例说明，重点研究将UML的视图转换成SystemC代码的算法；其次介绍了SystemC的基本概念，分析了SystemC 的建模平台和仿真机制，并对基于SystemC 的软硬件协同设计方法进行探讨；最后应用基于UML和SystemC的软硬件协同设计的设计思路，初步实现基于UML和SystemC的软硬件协同设计的设计系统，目的是建立一个用于嵌入式系统设计的开发环境。

To illustrate the feasibility of our parallel algorithm, the two examples for pseudospectral modeling of seismic wave are given: 2D acoustic and 3D elastic anisotropy modeling of wave propagation.

为了检验我们的并行算法的可行性，文中以傅利叶正演模拟技术为例，给出了声波和3D各向异性弹性波模拟的例子，并对不同版本运算效率进行了比较，证实了方法的有效性。

Functional neuroimaging ; functional connectivity ; effective connectivity ; psychophysiological interaction ; structural equation modeling ; dynamic casual modeling

脑功能成像；功能连通性；有效连通性；心理生理交互作用；结构方程模型；动态因果模型

This paper studys the the interactions between solution of primary minerals ofthe reservoir sandstone, the deposition of authigenic mineral, and the formingmechanism of secondary porosity in Upper Paleozoic reservoirs in Ordos basin withthe modeling theory of Water-Rock Interaction, builds the correspondingthermodynamics database and dissolution experiment database, and provides thecomparable and quotative data for the Water-Rock Interaction modeling research ofreservoir rock.

本论文将水—岩相互作用模拟(即热力学理论模拟计算和溶解模拟实验相互结合的方法)用于鄂尔多斯盆地上古生界碎屑岩骨架组分的溶解、自生矿物的沉淀及其与次生孔隙形成机制之间关系的研究，建立了相应的热力学数据库和溶解实验数据库，为沉积盆地储集岩的水—岩相互作用的模拟研究提供了可对比与借鉴的基础资料。

In order to select optimal grid and good computation efficiency to recover the entire signal, aiming at the Ricker wavelet commonly used in forward modeling, we analyzed the alias and signal restoration problem in finite-difference method based on spatial sampling theorem and seismic wave traveling regulation in media with different velocity, to derive quantitative relationship among the modeling grid size, minimum velocity of model layer, and recovered main frequency of wavelet.

为了选择最佳的网格尺寸以及以最小的计算量完整地恢复出信号，针对地震波场正演模拟中经常使用的Ricker子波，根据空间采样定理和地震波在不同速度介质中的传播规律，分析了有限差分算法中的假频和信号恢复问题，推导出模拟网格尺寸、模型地层的最小速度和能够恢复的子波主频之间的近似定量关系，并用数值算例验证了这一关系。

Aiming at local hydrological feature, the problem of transport and transformation of heavy metal in river network regions through mathematical modeling at the first time. Establishing modeling of heavy metal transport and transformation, dissolved heavy metal was the main research goal and the synthetically sedimentation coefficient was imported to investigate the migration of heavy metal between aquatic phase and sedimental phase.

针对区域水文特点，首次采用数学模拟的方式对平原河网地区的重金属迁移转化问题进行研究；建立重金属迁移转化模型，以溶解态重金属为主要研究对象，通过引入综合沉降系数分析重金属水相和沉积相之间的相互迁移过程。

It obtained the 3D CAD configurations of the grinder parts based on the product modeling, proposed and adopted four modeling methods such as parameterization, skeletonization, scanning and data conversion etc., studied and implemented the automatic transmission of data between isomeric CAD and CAE systems based on specific software platforms.

实现了基于反求工程造型的磨床零件三维CAD造型，提出并应用参数法、骨架法、扫描法和数据转换等四种建模方法，基于具体的软件平台，研究并实现了对异构CAD与CAE系统间数据的自动传递。3。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。