软件工程

The study shows the neural network model of hydro turbine can describe its nonlinear characteristic really and ensures the continuity of its derivative function, so improved the convergence for hammer calculating and is a better description of hydro turbine hill chart for science research and engineering design.

利用所述方法建立的水轮机特性神经网络模型能真实地表达水轮机的特性，并且解决了插值法的导数不连续问题，从而确保了水击计算的收敛性，为用于工程计算和科学分析的水轮机特性表达开辟了新的途径。并利用所建立的数学模型，开发了基于MATLAB的可视化软件仿真平台。

With the development and application of the finite element analysis software, higher demand is suggested for quality and efficiency of post-processing. Contour map drawing is especially important for engineering design analysis and improvement.

随着有限元分析软件的开发和应用，对计算成果后处理的质量和效率提出了更高的要求，特别是等值线图的绘制对于工程设计的分析与改进尤为重要。

On the design of circuit, the device uses voltage conversion and isolation ,etc. On the design of software, the device uses digital filtering,etc.

本文对电梯监控系统中所实现的基本功能——与监控中心的计算机控制系统进行双向通信，在此工程应用中所涉及的软件程序编制，硬件电路设计进行了具体论述。

At last,a optical engineering software is introduced to simulate optical scattering in the deep sea water ,and studys the corelation between scattering and relative refractive index,particle density and particle size in the sea water.

最后通过光学工程软件对海水中的散射进行仿真实验，研究散射与海水中粒子密度、粒子大小和相对折射率的关系。

Have good working knowledge and experience with cost accounting, variance reporting, and budgeting. Engineering analysis and statistical software experience is desirable

在成本会计、各种报告及预算方面具备良好的知识和经验，最好具有工程分析和统计软件的经验

By means of CST soft, structure simulation and the size of this filter could be achieved.

利用CST软件进行结构仿真，得到优化尺寸，最后实验结果表明，相比与普通的梳状滤波器其尺寸明显的减小，同时满足工程需要的技术指标。

Based on Three Gorges Project, the following aspects about the three typical embedding manners are studied:(1) The border condition of cyclic symmetry is applied to the finite element models with contact among cushion layer, penstock and concrete. The effects of elastic modulus, thickness and placement extent of cushion layer on the stress of its around concrete are analyzed. It is suggested that the ratio of thickness to elastic modulus can be used as an important parameter in the design of cushion layer.

因此，本文结合三峡工程建设实践，在收集和总结前人经验的基础上，以大型通用有限元分析软件ANSYS为平台，对不同埋设方式的巨型蜗壳结构进行以下几个方面的研究：(1)引入循环对称边界条件，考虑垫层-钢板-混凝土之间的接触摩擦，建立有限元模型；并对垫层敷设范围、垫层厚度和弹性模量等设计关键参数进行了优化，并把"垫层弹性模量与垫层厚度之比"作为参考指标进行设计。

The presented example shows that the operation results of the software system can be applied to engineering design and tooth machining of Kelingelnberg cycloid spiral bevel gear.

实例表明，该软件系统的运算结果可用于Kelingelnberg摆线锥齿轮的工程设计及切齿加工。

In this case, the software company will use Six Sigma tools to decompose client requirements into specific engineering requirements.

在这个例子中，该软件公司将运用六西格玛工具分解客户的需求成具体的工程需求。

This paper measured the constitutive relation of soil in the condition of the low stain-rate by Split Hopkinson Press Bar technology. It offers the reference for study in high stain-rate in the future. And simulated the explosion between soil and concrete by finite element dynamic analysis software LS-DYNA3D. Finished the numerical simulation for power of exploding between soil and concrete in different position of detonator and different scale model. Set out the curves of displacement, velocity, acceleration and pressure of different position. Obtained the destructibility of concrete target in different explosion condition. It offers data reference for theory studying and engineering designing.

本文首先利用分离式Hopkinson压杆实验技术测定了土在低应变率下的本构关系，为以后进行较高应变率下的研究提供了参考；后面着重利用三维显式非线性有限元动力分析软件LS-DYNA3D对土壤混凝土介质中的爆炸进行了数值模拟，采用土壤混凝土分层介质模型，完成了不同装药位置、不同缩比模型的混凝土模型中爆炸威力的数值模拟，测定了不同情况下的压力曲线及典型位置的质点位移、速度、加速度和压力，得出了混凝土靶在各种不同爆炸条件下的破坏情况，为理论研究和工程设计提供了数据参考。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。