参数化

The procedure and aerodynamic design process of the CPU fan are embodied into parametric design and numerical simulation software utilizing VB language as well as axial-flow fan aerodynamic design software,which can generate high quality HEXA mesh automatically.

采用VB开发了CPU轴流风扇空气动力设计软件和风扇参数化设计模拟软件，使用者只需输入风扇的基本结构参数，便可由程序自动生成高质量的六面体网格，能自动进行批处理模拟和结果后处理。

So, it needs to research the modeling and simulation of MIMO channels. The parametrical models of MIMO fading channels are needed to analyze the effect of different array topological structures and different channel parameters on the performance of the communication system, and verify the performance of signal processing algorithm.

故需要对无线MIMO衰落信道的建模与仿真技术进行研究，需要建立参数化的便于描述的无线衰落信道模型，以便于分析不同天线拓扑结构与无线衰落信道传播参数对系统性能的影响，便于信号处理算法的设计与性能验证。

According to the analysis results, a whole body parametrical virtual reality vehicle model is built, which could use to analyzing same structure vehicle model with differ parameters and similar structure vehicle model.

在此基础上分析了某商用车的驾驶室悬置系统和底盘主悬架系统的结构特点，建立了可用于同结构不同参数以及相似结构车辆分析的整车参数化虚拟样机模型。

The dynamics model of seat-buffer system was established by using ADAMS. With the method of parameterized modeling, optimal design for the parameters of sideling elastic sustentation was accomplished.

在ADAMS中建立座椅缓冲系统的动力学模型，并采用参数化建模方法对斜置弹性支撑的参数进行优化设计。

An adaptive controller for multi-input cascade nonlinear system with unmodelled terms is given, the control design is based on backstepping recursive design method.

对一类含有未知参数和未建模项的多输入非线性串级系统，基于backstepping递推设计方法，进行了非过参数化自适应控制设计，得到的闭环系统的所有信号是全局有界的，并且给出了第一子系统的状态界的一个估计。

It can easily construct various virtual coal mines by endowing parameterized models with certain parameters and attributes.

该工具通过调用参数化模型并赋予一定的参数和属性，可以很方便的构建出各种虚拟矿井环境。

So the model is improved after the optimization which is based on the optimization and design module of ADAMS, and then the the rising-up simulate curve of the dry dock gate is close in upon rising-up experimental curve .

应用ADAMS软件建立了干船坞坞门的参数化仿真模型，并利用该模型对坞门的运动学和动力学进行了仿真，在此基础上应用ADAMS优化分析模块优化了固定浮舱容积和操作浮舱容积等参数，改进了原有模型，使其仿真曲线更接近实验曲线。

When a new face milling cutter is designed by means of feature-model technique and optimized cutting parameters, unequal tooth space and construction model, design efficiency is improved greatly.

新设计面铣刀时，由优选几何参数、不等齿距及建立的面铣刀结构数学模型，利用特征造型技术，实现了参数化设计，从而大大提高了设计效率。

Finally, the parametric simulation program was designed with ANSYS APDL language, various simulation of welding and hammer peening can be analysed through defining different parameters.

最后，利用APDL语言编制了具有一定通用性的参数化模拟分析程序，通过改变模拟参数可以模拟分析不同条件下的焊接与锤击处理。

Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上，对河南省燕山水库流域洪水入库计算模拟方面作了一些研究：从燕山水库流域的下垫信息开始着手，依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式，进行下垫信息的参数化，得到单元模型所需的参数值；为了提取地形信息，本文通过对流域地形图海量数据加载高程值，利用GIS软件自动生成流域内的数字高程模型，提取了流域水文模型所需要的库容曲线；通过栅格自动划分，提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。