查询词典 simulation test

In this paper, the author sets up the dynamic model of the vibratory extracting-driving piling machine, and carries out the dynamic analysis, parameter calculation and Matlabs simulation for this model. Using the equation reciprocity law to carry out the calculation of soil parameter and simulation, and using the genetic algorithm to make optimization of the machine on the basis of the simulation, the author gets the optimum self-induced vibration frequencies of the machine changing with the depth of the pile and the optimization result of other parameters, thus reaching the conclusion that along with the increase of pile sinking depth, the optimum self-induced vibration frequency becomes bigger, and the vibration mass becomes smaller, hence deepening the knowledge of the dynamic performance of this system.

本文建立了振动沉拔桩机的动力学模型并对这一模型进行了动力学分析、参数计算和Matlab仿真，并利用方程对等法进行土壤参数的计算和仿真，又在仿真的基础上使用遗传算法对桩机进行了优化，从而得出了路基加固振动沉拔桩机随沉桩深度变化而改变的最佳激振频率以及其它参数的优化结果，并得出了随沉桩深度的增加，桩机的最佳激振频率由小变大，最佳参振质量由大变小的结论，深化了对该系统动力学性能规律的认识。

The main contents is: analyzing some detection method to moving target nowadays; particular studying the principle of detection moving target in SAR; analyzing SAR imaging theory and the echo model of moving target; discussing conventional SAR imaging , the movements of target cause the changes of doppler mass center and regulable frequency, and the changes cause effect the imaging result; introducing the estimation method of doppler parameter; analyzing theory of DPCA, derivating the formula needed, and validating it's validity and practicability through simulation; advancing the improved DPCA algorithm that combine the advantage of DPCA and ATI, and validating it through computer simulation; using the revision algorithm to range ambulate based on keystone transformation, and validating it through computer simulation; discussing the compensation art of SAR imaging.

主要内容有：分析了现有的一些动目标的检测方法；详细研究了SAR动目标检测的原理；分析了SAR成像理论和运动目标的回波模型；探讨常规SAR成像时，目标运动引起的多普勒质心和调频率变化，以及这些变化对成像结果的影响；介绍了多普勒参数的估计方法；分析了DPCA原理，推导所需要的基本公式，并仿真验证其有效性和实用性；提出了结合DPCA和ATI优点的改进DPCA算法，并仿真验证；探讨了SAR成像中的运动补偿技术。通过对仿真结果的分析，本文提出的方法具有一定的指导意义和参考价值。

At last the result of a RIE process at a certain condition is compared with the results of simulation, the result of Lag effect is compared with result of simulation, the results of multiple processes are compared with the results of simulation, respectively, and they fit well.

最后比较了一定条件下的刻蚀结果和模拟结果，比较了Lag效应的实验结果和模拟结果，比较了多道加工工艺结合的实验结果和模拟结果，两者吻合的较好。

The paper consists of dynamic equivalent of province S network, simulation analysis by simulation software EMTDC, comparison between the simulation result and the graph of fault recorder, applying rotating vector method and resonance theory to analysis fault process, finally having arrived at the fault mechanism of wire-break resonance and asynchronous-ly switching process.

内容包括：对S省电网的动态等值，用仿真软件EMTDC进行仿真分析，将仿真结果和故障录波图做比较，用旋转向量的方法和谐振理论分析事故过程，从而得出了机电相互作用引起变压器中性点击穿和断线谐振导致避雷器爆炸的事故机理。

The innovation of our rearch:(1) A new one-dimensional sandpile model is set up, in this model avalanche probability is introduced.(2) Emulational simulation is performed with cellular automata method, and numerical analyse is carried out according the simulation result.(3) With the simulation result, We not only explained the SOC phenomena appearing in real sandpile, but also revealed a new path to SOC.

本文的创新之处在于：建立了一个含崩塌概率的一维沙堆模型；用元胞自动机的方法对模型进行了仿真模拟，并对仿真结果进行了数值分析；我们的模拟结果不仅很好地解释了真实沙堆中出现的自组织临界现象，而且揭示了一条通往自组织临界性的新途径。

This paper,Based on the analysis of sequential structure law of simulation theory,applies the law in evaluation of credibility of simulation system,gives the practical algorithm,and introduces the research and discussion on how to evalulate the credibility of simulation system.

本文在分析相似理论中的序结构定律的基础上，将序结构定律运用于计算机仿真系统的相似性评定中，并给出了具体的算法。对如何评估仿真系统的相似度问题，在理论上作了一定的研究和探讨。

Etc. This paper, Based on the analysis of sequential structure law of simulation theory, applies the law in evaluation of credibility of simulation system, gives the practical algorithm, and introduces the research and discussion on how to evalulate the credibility of simulation system.

在文中分析相似理论中的序结构定律的基础上，将序结构定律运用于计算机仿真系统的相似性评定中，并给出了具体的算法。对如何评估仿真系统的相似度问题，在理论上作了一定的研究和探讨。

Using the simulation calculation program and adopting the single factor analytic approach, simulation results are gotten and conclusions can be drawn from the simulation results. The parameters have a little influence on vibration of the driver's seat when the frequency of the vibratory force is larger than 20Hz, and the zone that the parameters have great influence on vibration of the driver's seat is nearby the sympathetic vibration frequency of the system which is about lOHz.

利用编制的模拟计算程序，采用单因素分析法，分析了各参数对驾驶员座椅处振动位移的影响：在激振力频率大于20Hz后，各参数对驾驶员座椅处振动影响较小；各参数对座椅振动影响较大的区域在激振力频率为10Hz附近的共振区。

After work out the parameters of the dynamic model, the simulation model of the system has been set up in similink system. Run the simulation model and gain the corresponding results. Some characteristics of the permanent thulium gear transmission system have been studied by analyzing the simulation results.

计算出动力学模型中的相关参数后，在similink环境中建立了系统仿真模型并得出相应的仿真结果，通过分析比较仿真结果，了解永磁齿轮传动系统的部分动态特性。

"ERP Integrated Training Enterprise Information sand table" based on "ERP sandbox simulation" course simulation business, to simulate a company's business activities, the experimental data, accounting and business management in accordance with the basic requirements of design information-based solutions, in line with "ERP sand table simulation" course in contrast to the manual mode of operation, so that students deal with personal feelings manual and computer processing set up between the posts, business processes, work efficiency differences, a deep understanding of the necessity and advantages of information technology.

ERP沙盘企业信息化综合实训》基于《ERP沙盘模拟》课程中的模拟企业，以模拟企业的业务活动为实验资料，按照会计核算与企业管理的基本要求，设计信息化解决方案，以与《ERP沙盘模拟》课程的手工操作方式形成对比，使学生切身感受手工处理和计算机处理之间在岗位设置、业务流程、工作效率等方面的差异，深刻理解信息化的必要性及优越性。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。