模拟数据

From the stationary, Gaussian and spectral constructural point of view, we considered that the IR noise can be described with fratcal Gaussian noise , and proposed a scheme for simulating IR noise used in simulation studies.

该方案可对帧间相关性进行模拟。2）提出了一种用于从三维数据中提取目标轨迹的有向高阶相关方法，并对该方法的检测概率、噪声抑制能力及计算量等性能进行了较详细的分析。

The realization scheme of this project is also discussed in the paper, a data pick-up/control board using PCI bus protocol is designed, this board together with some softwares can finish many functions such as AD conversion of DC system generatrix and every DC spur track, sine wave generation which frequency is between 0-50Hz , and some control functions in fault analysis system.

本文还进行了故障检测装置实现方案的有关研究，设计了基于PC机的直流电网故障诊断系统，完成了基于计算机PCI总线的数据采集控制卡的设计，该卡配合计算机软件可以实现电网正负母线，各支路互感器输出等多路模拟量信号的采集，产生0-50Hz之间任意频率的低频信号源，并且能够完成故障检测中的各种控制功能。

According to the results, we prove that our modified model perfectly simulate statistical characters of the real data.

经过分析，我们认为，对所比较的各变量而言，加入消费者分类和政府支出冲击的模型能较好的模拟我国实际数据的统计特征。

The data for Shanghai Electric Power stock from April 24 to July 22 2008 are analyzed using Matlab. Compared with the standard genetic algorithm, the results show that the improved algorithm reduces the false alarm rate and shortens the computation time.

对上海电力股票2008年4月24日至7月22日的数据利用MATLAB进行了模拟，与标准遗传算法比较，改进后的算法降低了误报率，缩短了运算时间。

As the beginning of this thesis, the important meanings of sea ice to global climate change and ocean engineering in polar and subpolar sea regions are explained firstly. Then, it is pointed out that sea ice numerical modelling, as a powerful tool of sea ice research, is limited by the precision of parameters within models instead of itself so far. It is meaningful to study the important parameters of sea ice dynamics by means of the rapidly developing digital imaging techniques so as to provide better input parameters needed in numerical models.

文中首先阐述了海冰对全球气候变化和极区、亚极区海域海洋工程问题的重要性，并指出作为海冰研究重要手段之一的海冰数值模拟发展到目前，其准确性更加受到海冰参数而非模式本身的限制，因此以目前快速发展的数字图像技术为工具对海冰动力学过程中的重要参数进行研究，以提供数值模式所需要的高精度和准确性的数据，是非常有必要的。

Simulation model （subtopic 3.2）, and the real-time implementation of simulation （subtopic 3.3）; in subtopic 3.2, we point out that our simulation model should select Adams Prediction-Correction integration method for handling the complexity of AUV model and that the step length of integration should be 10 ms ; to sum up, our simulation system, using a high-performance industrial control computer, can real-timely simulate dynamics of underwater vehicle and its sensors and executors by using multi-function data acquisition card and serial ports.

该半实物仿真系统由实时仿真计算机和真实的导航控制计算机构成，实时仿真计算机完成AUV空间运动的实时积分解算，并利用多功能数据采集卡和串行通讯端口模拟AUV导航控制系统中的传感器和操舵机构的工作，为导航控制计算机提供全真的软硬件工作环境，使开发人员在此基础上能够完成导航控制软件全部功能的开发，并进行全面、有效的系统级软件测试，具有非常高的工程实用价值。

It was found that sulfuric acid, 2-naphthalenesulphonic acid and sulfurous acid could be effectively separated by competitive exchange adsorption in views of action force difference of the components with the resin. The exchange adsorption dynamic diffusion parameters were calculated with diffusion equation for solids and liquid films, and the rate-determining step was determined. The model of breakthrough curve for the resin bed was suggested, and applied to simulate the breakthrough process for each component.

通过单组分、双组分和多组分平衡数据的测定，发现对于硫酸-萘磺酸-亚硫酸混合体系，可以利用不同组分与树脂作用能的不同，通过竞争交换吸附实现分离；以固相扩散方程和液膜扩散方程对交换吸附动力学参数进行了估算，确定了交换吸附过程的控制步骤；建立了床层穿透曲线模型，并对各组分穿透过程进行了模拟。

Data of tooth surface before and after wear were both obtained through laser scan system. The images were then reconstructed by SURFACER software.(2) C language program used of improved iterative closest point algorithms was developed to registrate imagines before and after wear. Standard plan was defined to the overlapped imagines after registration, then wear quantity was measured.￤ear was imitated by tooth brush machine which was made by STOMATOLOGY COLLEGE FORTH MILITARY MEDICAL UNIVERSITY.

应用三维激光扫描仪采集牙模型的表面数据，在计算机中用SURFACER逆向工程软件重建牙表面；②运用最近邻点迭代匹配算法加以改进，编制 C语言程序，配准磨耗前后的三维图像，在确定基准平面后，计算磨耗前后的体积变化量；③用口腔医院自制刷牙机进行模拟磨耗，用传统称重法，通过电子天平测试件的重量变化，用失水法计算测试材料的密度，换算成体积。

In the study of the vehicle driving simulator,the imitation of the steering wheel return system can increase the tactility of driver s action and be more reliable of the traffic safety experimental date.

在汽车驾驶模拟器的研发中，对于转向盘回正系统的模拟，可以增强驾驶员操作时的触感，使交通安全实验数据更加可靠。

IC card is used to exchange the data between the target system and the computer where the data will be further processed.

再利用IC卡将处理过的数据传送到微机，最后在微机中进行计算、修正和模拟。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！