应用软件

In this thesis, I summarize the theoretical calculation method, applied scope and notice of siphonic drainage system, and point out the advantage of siphonic drainage system compared with gravitation drainage system. In the archetype experiment study of siphonic drainage tube, I adopt different tube diameter and different structural height to survey the drainage volume and press in different place. I observe various kinds of flow state, and get chief factors which influence hydraulic peculiarity of system as the tube diameter or structural height, and find out the relevance of factor to flux. I apply CFD Fluent software and adopt standard k-ε model and RNG k-ε model, then use finite volume method and second-order upwind scheme to discrete numerical model, while coupling numeration of velocity field and press is based on SIMPLE. In the numerical simulation of curved part of tube, siphonic drainage tube experiment system and multi-outlet siphonic drainage system, I make research on internal velocity and press of system in different project condition by changing the tube diameter of curved part, negative press value in tube export and improving the quantity of water gutter. This thesis first adopts a method of combining archetype experiment and numerical simulation to study the siphonic drainage system, test and verify the validity of experiment and numerical simulation, and makefurther study on system, it solves the problems of limited testing conditions, and has a logical results, it can provide a valid method for optimizing and designing the drainage tube-net system. The conclusion have referring value for study and design of siphonic drainage system.

本文首先对虹吸式排水系统理论计算方法、适用范围以及注意事项做出总结，并分析了虹吸式排水系统的优势；再对虹吸式排水管道进行原型试验研究，采用不同管径不同立管高度，对系统流量、管道压强进行量测，观察了各种工况下的流态，对其水力特性进行研究分析，找出影响水力特性的落差、管径主要因素以及与排水量的关系；进一步应用计算流体力学Fluent软件，采用标准κ-ε模型与RNGκ-ε模型，计算过程应用有限体积法和二阶迎风格式对数值模型进行离散，速度和压力的耦合采用SIMPLE算法，分别对系统弯管段、虹吸排水管道试验系统、多斗虹吸式排水系统进行数值模拟分析，通过改变管段弯头处半径、管段出口负压值、增加雨水斗数对不同工况下系统内部的速度和压力进行研究；本文首次采用结合原型试验与数值模拟相结合的方法，对虹吸式屋面雨水排水系统进行研究，试验与模拟相互验证，并进行拓展，很好地解决了虹吸式屋面雨水排水系统由于试验条件限制问题，结果正确合理，为排水管网系统设计和优化研究提供了有效的方法，对工程设计有较好的参考价值。

Based on the smart terminal, the competition for platform system from the hardware platform to the operation system, the middleware and the applications platform have been in shape globally.

移动互联网的业务发展模式正由围墙花园向开放花园转变，业务开发模式向开放应用编程接口发展，在线软件应用商店成为一个重要的业务发布平台。

With the development of Automotive Electronic Control technology, software has become the core component of the development of automotives.

在这个阶段，嵌入式系统的广泛应用和以嵌入式软件为载体的控制技术的应用成为未来汽车技术发展的重点。

Thirdly, theoretical stress analysis of the drum is made, and a finite element stress and model analysis of LW500×1200 basket is made too. The result shows that the drum intension satisfied the demand, and sympathetic vibration will not happen in normal rotate speed. Comparing the real situation, the decanter centrifuge of this type meets the safe demand.

再次，介绍了高速离心机转鼓的理论强度计算公式，并应用有限元分析软件ANSYS对LW500 1200离心机转鼓做了有限元强度分析和振动模态分析，结果表明离心机转鼓满足强度要求，而且在正常转速范围内不会发生共振现象，对照该型号离心机实际现场应用的情况，本文所研究的钻井液离心机确实能够满足工作安全要求。

This system can supervise 110 sets of equipment in real time.

熊斌。 视频压缩监控系统应用。微计算机信息， 2007，(18)[10] 翟延富。一种集散式系统的主控程序。计算机应用与软件， 1995， 02

In chapter 4, basing theories and methods of scientific visualization, and artificial neural network BP algorithm, we integrate the Visual C++, OpenGL graphics library and Excel VBA technique to develop the program of artificial neural network and to make the BP algorithm visually, this program works can be divided into four parts: Using C language to develop program about BP algorithm; Using Visual C++, develop the GUI Interface, make input parameter visually; Using OpenGL graphic technique to display the training sample point in three dimension; at last using Excel DDE technique display the error graphic tables in Excel system In chapter 5, on the view of engineering application, we establish new method of surface reconstruction basing artificial neural network, develop interface program between module and commercial CAD/CAM system, meantime deeply discuss some key problems, for example, setting up the base plane, using the API technique, cutting and editing surface boundary, and also discuss the more compliant problem: how to intersect surface, at end we finish the work of translation from our surface reconstruction module to commercial CAD/CAM system, then make reverse engineering system basing artificial neural network more useful.

第四章基于科学计算可视化理论，依据人工神经网络BP算法理论模型，综合Visual C++，OpenGL图形库以及Excel VBA等多项软件开发技术，编制了人工神经网络程序，实现了BP算法的可视化映射。具体工作分为四部分：利用C语言实现人工神经网络BP算法；利用VisualC++的GUI技术开发图形用户界面，实现参数设置可视化；利用OpenGL图形技术进行三维映射，显示学习样本及训练样本点；利用微软电子表格DDE动态数据交换技术，在Excel上动态显示学习误差曲线图。第五章从工程应用的角度出发，提出了一种新的基于人工神经网络算法的曲面裁剪重构方法，完成了曲面重建模块与通用CAD/CAM系统的接口设计工作，对其中的若干关键问题进行了深入讨论，例如基平面设定、API技术的应用、边界裁剪等问题，同时，对曲面计算中较为困难的曲面相交问题也进行的专门探讨，最终完成了曲面重建模块向CAD/CAM系统的数据传输工作，使人工神经网络逆向工程系统趋向实用。

A method of synthetical remote testing which includes pre-running design, mid-running monitoring, post-running analysis via Visual C++,Labwindows /CVI and Matlab is introduced, aiming at overcoming complexity of testing in large scale system, troublesomeness and repetition of analysis in testing data, user's request for remote automatic testing.

0引言计算机测试系统以其快速高效的数据传输和智能化控制系统应用于许多工程领域，但随着被测系统的规模越来越大，被测项目越来越复杂，测试指标的综合性越来越强，独立的软件应用已经不能适应现代自动测试系统的结构平台化，开放化[1]，数据传输的网络化和故障远程诊断的发展。

In terms of fractal characteristics for tree branches, growth for different branching types was simulated with L-studio software based on the basic concepts of L-system and turtle interpretation. Graphics of tree branches become more colorful and vivid by introducing randomicity factors from L-system.

基于树木分枝的分形特征，在简要介绍林氏系统语言基本概念和海龟解释基础上，应用L-studio软件编写林氏系统语言程序对不同枝条的分枝类型进行生长模拟，并通过引入随机性因子使得应用林氏系统生成的树木分枝图形更加丰富多彩和形象逼真。

For FMCW radar ,the linearity of synthesizer is critical. A novel nonlinear PLL which can be used in VCO nonlinearity compensation is presented. By using the SAW delay line to delay the FMCW signal ,the IF signal can be locked on a reference frequency after mixing the delayed VCO signal frequency and the undelayed.

微波频率合成器是雷达系统很重要的一部分，对于FMCW雷达而言，VCO的频率线性度直接影响雷达测距测速的精度，本文应用微波频率合成器的原理构造了一个用于VCO线性化的非线性PLL，并首次研究了该PLL的环路相位模型，得出了用于线性校正计算的理论公式，最后应用ADS软件对该公式做了仿真验证，结果表明该理论的正确性，为VCO的线性化提供了理论指导。

Total calculated girding number the middle block of North 1 area is 670,134 and node number is 713,416. More data can be calculated and this function is unexampled compared with other finite element softwares.

本文首次提出并在研究中应用改进的组合网格法，这一先进技术的应用使得在微机上实现大规模的分析计算成为可能，计算的北一区断东中块的网格总数达到670，134，节点数713，416，软件还可以计算更多。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。