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Description: \"虚拟中国人\"计划这一规模庞大而复杂的系统工程，由中科院、清华大学、北京大学联合发起并提出，中国两院院士、清华大学上个月正式成立的医学院首任院长吴阶平为第一建议人。田捷告诉本社记者，\"虚拟中国人\"计划的基础准备工作已完全就绪，其数据采集工作有两千万元人民币、半年至一年的时间即可完成。-"virtual China" program on the scale and complexity of the project, from the Chinese Academy of Sciences, Tsinghua University, Beijing University and co-sponsored, Chinese academicians and Qinghua University was formally established last month, the first President Wu Jieping Medical College for the first proponents. Tian Jie told Xinhua that "virtual Chinese," the basis for the preparatory work has been fully completed and the data collection has 20 million yuan, half of the year to be completed.
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Author: Chart |
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Description: "虚拟中国人"计划这一规模庞大而复杂的系统工程，由中科院、清华大学、北京大学联合发起并提出，中国两院院士、清华大学上个月正式成立的医学院首任院长吴阶平为第一建议人。田捷告诉本社记者，"虚拟中国人"计划的基础准备工作已完全就绪，其数据采集工作有两千万元人民币、半年至一年的时间即可完成。-"virtual China" program on the scale and complexity of the project, from the Chinese Academy of Sciences, Tsinghua University, Beijing University and co-sponsored, Chinese academicians and Qinghua University was formally established last month, the first President Wu Jieping Medical College for the first proponents. Tian Jie told Xinhua that "virtual Chinese," the basis for the preparatory work has been fully completed and the data collection has 20 million yuan, half of the year to be completed.
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Author: Chart |
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Description: 由于传统的基于文件管理的虚拟地形景观漫游系统在数据安全性、多用户操作、网络共享及数据动态更新等方面已不能满足数字城市或数字地球对海量空间数据一体化管理和在线实时应用的要求。介绍了基于Oracle
海量数据库的DEM动态可视化方法,包括金字塔结构的数据组织机制、采用数据分页的动态调度技术、与视点相关的地形简化和基于多线程的渐进描绘技术等。根据全国1∶25 万比例尺DEM数据库的应用实验证明该方法是可行的,并可以推广到影像以及其他模型数据的集成应用。-Because of the traditional paper-based management of virtual terrain landscape roaming system in data security, multi-user, network and data-sharing, such as dynamic update has been unable to meet the number of cities or digital terrestrial integration of massive spatial data management and online real-time applications requirements. Based on Oracle database DEM Massive dynamic visualization methods, including the pyramid structure of the data organization mechanism, the use of the data page of the dynamic scheduling techniques, with the view-dependent terrain simplification and Multithread-based progressive portray technology. According to the National 1:25 million scale DEM database application experiment shows that this method is feasible and can be extended to imaging, as well as other model data integration applications.
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Author: 魏凌云 |
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Description: 地形漫游在仿真、模拟、虚拟现实等领域中有着广泛应用. 大规模地形的实时漫游算法一般采用视见体裁剪和与视点相关的连续细节层次等技术来减少实际绘制的地形数据量. 通过地形分块和视见体投影三角形扫描算法实现快速裁剪, 通过调整顶点的高度值消除裂缝, 通过基于三角形的四叉分割实现连续细节层次地形简化, 简化了算法实现, 提高了算法效率. 在没有利用帧连贯性的情况下, 算法可以在PC 机上实现较大规模地形的快速交互式漫游.-Roaming terrain in the simulation, simulation, virtual reality and other areas has a broad application. Large-scale real-time roaming terrain algorithm generally see as frustum culling and view-dependent continuous level of detail, such as techniques to reduce the actual rendering of terrain data. Through the terrain block and visually see the projector triangle body scan algorithm for fast cutting, by adjusting the height of peak value of the elimination of cracks in a triangle-based quadtree segmentation realize Continuous Level of Detail Terrain simplification simplified algorithm, improve the efficiency of the algorithm. In the absence of the use of frame coherence, the algorithm can realize in the PC, the rapid large-scale interactive roaming terrain.
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Author: 万方 |
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Description: 一个虚拟示波器软件，可以逼真的模拟真实的示波器，可以调节幅度，时标。-A virtual oscilloscope software, can be a realistic simulation of a real oscilloscope, can adjust the amplitude, time scale.
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Author: 老吕 |
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Description: AR 增强虚拟现实，可以移植到到WindowsMobile手机Iphone Android平台的 tracker识别，可以配合 OpenGL Direct编写大型增强虚拟现实程序。-AR enhanced virtual reality, can be transplanted to the Windows Iphone Android mobile phone platform tracker identification, will be compatible with the OpenGL Direct the preparation of large-scale virtual reality to enhance the procedure.
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Author: 闵远洋 |
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Description: 虚拟电子秤-Virtual Electronic Scale
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Author: apciat |
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Description:
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Author: Daniel |
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Description: 基于LabVIEW软件设计数字电子秤系统，阐述系统硬件电路构成、软件设计思想和具体实现。系统应用虚拟仪器技术进行自动测量、处理和显示，实现电子秤的智能化，并且要求具有测量精度高、界面友好、运行稳定可靠、功能便于扩展。-LabVIEW-based software design digital electronic weighing system, the system hardware circuits, software design idea and concrete implementation. System Virtual Instrument Technology to carry out automatic measurement, processing and show that implementation of intelligent electronic scales, and requires a measurement of high precision, user-friendly, stable and reliable operation, function convenient for extension.
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Author: 周海东 |
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Description: Multimedia Management, Collaborative virtual environments, Large Scale Internet Applications
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Author: bpatel |
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Description: 介绍基于S3C44B0控制的大型LED显示系统。数据传输采用并行总线方式，并提出将LED显示模块厦显示锁存单元虚拟地视为一段连续的存储单元，利用S3C44B0内部DMA控制器进行数据传输和控制，节省使用指令传输数据额外的软件开销，使其具有传输速度快、效率高的特点，以达到用单CPU系统代替多机系统控制LED显示系统的目的。
-S3C44B0 introduced based on the control of large-scale LED display system. Parallel data bus mode, and LED display module will show the latch unit building be regarded as a continuous period of virtual storage unit, the use of S3C44B0 internal DMA controller for data transmission and control, to save data using the command additional software overhead to have a transmission speed, high efficiency, so as to achieve a single CPU system to replace multi-system control purpose LED display systems.
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Author: 打狗队 |
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Description: 数字电子琴的功能
电子琴的每个音阶均对应一个特定频率的信号，通过调用数字信号发生器产生一系列指定的频率的声音，从而达到虚拟的电子琴的功能，界面中包含A、B、…、O共 15 个琴键，鼠标按下时即发声，松开时发声停止。 同时能够产生正弦波、方波、三角波等常见的波形的数字信号，并且提供了图形界面用于选择波形、频率、幅值与相位。能够根据用户指定的波形和参数产生相应的数字信号，然后将数字信号写入声卡的缓冲区，最后由声卡播放出相应的声音。
-Digital electronic keyboard electronic keyboard features both for each scale corresponds to a specific frequency signal, digital signal generator by calling the specified frequency range of voice, so as to achieve the functions of a virtual keyboard interface includes A, B, ..., O A total of 15 keys, the mouse is pressed the sound, let go when the sound stops. At the same time can produce sine, square, triangle and other common digital signal waveform, and provides a graphical interface used to select the waveform, frequency, amplitude and phase. To the user specified waveforms and parameters of a corresponding digital signal, and then write the sound card digital signal buffer, and finally by the sound card plays the corresponding sound.
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Author: lijinejie |
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Description: 解决了几个bug
iweb Shop 基于iweb SI框架开发，在获得iweb SI技术平台库支持的条件下，iweb Shop 可以轻松满足用户量级百万至千万级的大型电子商务网站的性能要求。站点的集群与分布式技术（分布式计算与存储/高可用性/负载均衡）被屏蔽在SI平台之内，基于iweb Shop 并且按照SI平台库扩展规范开发的新增功能模块，也将同时获得这种超级计算与处理的能力。
iweb Shop 性能卓越,功能与应用丰富多样,优秀的可扩展和伸缩能力使它可方便构建B2B,C2C,B2C领域的大型站点。
作为开源的LAMP电子商务系统，iweb Shop 提供了一套轻量级的支持库，这使iweb Shop 可以轻松部署在虚拟主机上或者单台服务器上。-To solve a few bugs
Cindy iweb SI framework based on iweb development, in iweb SI technology platform library under the condition of iweb, support Cindy can easily meet user scale million to 10 million of large-scale e-commerce performance requirements. The site and distributed cluster technology (distributed computing and storage/high-availability/load balance) are shielded in SI platform, based on iweb Cindy and extended standard library according to the SI platform development new function module, will also gain the supercomputing and processing ability.
Iweb offers excellent performance, application and function diversity, good extensibility and expansion ability makes it convenient construction, B2B, C2C large B2C sites.
As the electronic commerce system, iweb technologies offers offers a lightweight support library, which can be easily iweb during deployment in virtual mainframe or a single server.
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Author: 鱼鱼 |
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Description: 两个采用反失真效果的免费虚拟仪表.
其中WWKnobX为旋钮控件，WWMeterX为仪表显示控件,可以设置旋钮刻度（起始位置、起始值、指针方式、字体）、面板（样式、颜色、渲染方式包括固定螺钉）等多种属性。 -2 using anti-distortion free virtual instrument. Which WWKnobX to knob control, WWMeterX for the meter display control, you can set the knob scale (initial position, initial value, the pointer mode, fonts), panel (style, color, rendering including fixing screws) and other properties.
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Author: manaicheng |
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Description: Labview是时下非常流行的虚拟仪器设计软件，不仅对于传统的数据采集、数据处理、数据显示有规模强大的控件，而且还包括诸如文本、图形等的控件，利用Labview编程，生成简单的图像，并做简单的灰度图变换，经验证该程序正确，可应用于教学中。
-The Labview is very popular nowadays virtual instrument design software, not only to the traditional data acquisition, data processing, data shows that there is scale
Powerful control, but also include such as text, graphics, using the control Labview programming, generating simple image, and doing simple grayness transform,
This program is correct, experience card can be used in teaching.
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Author: 毕婷 |
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Description: 一个电子皮带秤上位机监控程序，包含界面，虚拟仪表，多串口编程，打印控制等等内容，已在工业现场使用多年-A belt scale PC monitoring program, including the interface, virtual instruments, and more serial programming, print control and much more, has been used for many years in the industrial field
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Author: liushenwen |
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Description: 基于COW( Copy- o n-Write) 读写模式的虚拟块设备有利于实现大规模虚拟机环境下虚拟机的快速部署.
文中为虚拟机管理器中的COW 虚拟块设备设计了一种优化方法, 能够提高COW 磁盘的访问性能以及生成多个
小尺寸的COW 磁盘映像文件, 以降低通过网络部署虚拟机的开销.-Design an optimized method for Virtual Machine Manager COW virtual block device conducive to the realization of large-scale virtual machine environment, the rapid deployment of virtual machines based on the COW (Copy-o n-Write) virtual block device read-write mode. , able to improve the COW disk access performance and generate multiple small-sized COW disk image file, in order to reduce the overhead of virtual machine network deployment.
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Author: 阿萨 |
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Description: 09年上交大的硕士论文
本论文作者在对风电场监控系统进行实际调研后，以美国 GE 公司的1.5MW 变速变桨距双馈异步风力发电机组为例做为被监测对象，应用
美国国家仪器公司 NI（National Instruments Corporation）虚拟仪器技术
和 LabVIEW8.5 作为软件平台，尝试开发大型风力发电机组旋转机械状
态监测系统，并根据风力发电机组和风电场远程监控的特征，对监测系
统的通信方式进行分析比较后，选择通信方案。监测系统的目的是对采
集的振动信号通过曲线拟合、统计分析、频率响应等步骤进行定量分析，将数据以图和表的形式显示出来，并储存所有数据。经过对模拟输入振
动信号的分析处理进行仿真，验证了该风力发电机组旋转机械振动监测软件平台的可操作性，具有进一步开发和完善其现场应用的价值。
-Jiaotong University master s thesis in 2009
Wind farm monitoring system for actual research, the authors of the paper to the U.S. company GE 1.5MW variable speed pitch as the object to be monitored from the doubly fed induction wind turbine, for example, the application
National Instruments NI (National Instruments Corporation) virtual instrument technology
And LabVIEW8.5 as software platform, try to develop large-scale wind turbine rotating machinery like
State monitoring system, in accordance with the characteristics of the wind turbine and wind farm RMON monitoring system
System of communication compared to select the communications program. The purpose of the monitoring system are collected
Set the vibration signal by curve fitting step quantitative statistical analysis, frequency response analysis, the data is displayed in the form of graphs and tables, and store all data. After the analog input vibration
The analysis of the dynamic signal processing simulation to verify th
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Author: liuxianming |
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Description: 基于VC++和OpenGL的大型机械装置虚拟教学训练系统的开发-Development of large-scale mechanical devices VC++ and OpenGL virtual teaching and training system based on
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Author: 小屋 |
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Description: GPU大数据可视化的权威论述集,包括大数据体绘制，web数据可视化等内容-GPU-Based Large-Scale Visualization
Overview of modern GPU techniques for large-scale visualization
• Focus on volume data
• Out-of-core techniques leveraging modern GPU features
• Virtual texturing approaches
• Display-Aware, Remote and Web-Based Visualization
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Author: commy |
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