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AVS_ncm
AVS视频压缩标准,是国内AVS视频编解码算法组开发的具有自主知识产权的算法标准(AVS video compression standard, is the AVS video codec algorithm group developed a proprietary algorithm standard)
- 2013-06-26 07:58:00下载
- 积分:1
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OURS-IOTV2-2530
能够用来开发物联网的系统,北京奥尔斯电子开发套件(System can be used to develop the Internet of Things, Beijing OURS Development Kit)
- 2012-12-26 12:17:37下载
- 积分:1
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气动布局调研
说明: 飞行器的气动布局介绍及相应气动布局的优缺点。(Introduction to the aerodynamic layout of the aircraft)
- 2020-04-06 20:17:24下载
- 积分:1
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LiteratureReview
Literature Review on Linguistic Fuzzy Neural Models. It can be very useful for Fuzzy Nural network based application.
- 2009-10-09 00:15:42下载
- 积分:1
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flying-control-law
概述了飞行控制律设计的几种主要方法。通过对比自适应飞行控制律和程序调参飞行控制律,总结
了处于飞行控制器设计领域主导地位的程序调参飞行控制律的主要优点和不足,并就程序调参技术在现代飞控领
域的研究现状及其在某先进飞机中的实际应用进行了介绍。最后,针对现代飞机的飞行特点,展望了程序调参飞
行控制律今后可能的发展方向。
(Summarizes the flight control law design of several major method. By comparing the adaptive flight control law and procedure parameters tuning flight control law is summarized The flight controller design field is in the leading position of the program and flight control law of the main advantages and disadvantages, and the process parameters tuning technology in the modern flight control broughtThe research status and domain in some advanced aircraft in the practical application are introduced in this paper. Finally, the modern aircraft s characteristics, and looks forward to the program and fly Line control law could in the future development direction.)
- 2012-02-24 13:24:30下载
- 积分:1
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Study-of-VSC-HVDC-Controller-
风电潮流的波动会引起并网系统公共连接点(PCC)电压的波动。在基于电压源换流
器的高压直流输电(VSC-HVDC)交直流混合风电场并网系统中,控制VSC-HVDC 送端站注入
到PCC 点的无功功率可以抑制电压波动。本文讨论了VSC-HVDC 的无功功率控制器和定电压控制
器抑制电压波动的原理。基于电磁暂态软件PSCAD/EMTDC 建立了并网风电场模型、VSC-HVDC
模型及控制系统模型。仿真结果表明VSC-HVDC 采用定电压控制器的并网系统能更好的抑制电
压波动,采用无功功率控制器的系统具有较好的风电场并网性能。(Reactive power variation of integration wind farm may cause point of common
coupling (PCC) voltage fluctuation. In hybrid wind farm integration system based on HVDC of
voltage source converter (VSC-HVDC), the voltage fluctuation can be alleviated by compensating
reactive power to PCC from VSC-HVDC sending end. Therefore, the reactive power controller and the
stable voltage controller to alleviate voltage fluctuation are studied in the paper. The integration wind
farm, VSC-HVDC and their controller models are set up by PSCAD/EMTDC. The simulation results
show that the integration system adopted stable voltage controller has a better performance to alleviate
voltage fluctuation. However the system adopted reactive controller has a good wind farm integration
capability.)
- 2012-03-01 16:09:37下载
- 积分:1
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Real-time-detection-of-negative
同相牵引供电系统旨在实现电能质量的综合补偿。提出了一种基于同步坐标变换的电流检测方法,能实时准确地检测
出负载电流的基波正序有功分量、基波正序无功分量、基波负序分量以及谐波分量,为综合补偿提供了基础。电能质量的补
偿力度与设备容量之间存在非线性关系。提出补偿度的概念,并给出补偿度与电能质量参数的关系,通过给定电能质量期望
参数,实时调整负序、谐波以及无功补偿度,使得综合潮流控制器容量在各电能质量补偿参数之间得到实时优化配置,从而
实现同相供电系统容量优化满意补偿。理论推导和仿真结果验证了所提方法的正确性和可行性。(The cophase traction power supply system aims at achieving power quality comprehensive compensation.A current
detection method based on synchronous reference frame transformation is proposed.The method can decompose the load current
real-timely into fundamental positive-sequence active component,fundamental positive-sequence reactive component,fundamental
negative-sequence component and harmonic component,which lays a foundation for comprehensive compensation.There are
nonlinear relation between compensation strength of power quality and device capacity.The paper proposes the concept of
compensation degree and gives the relationship between compensation degree and power quality parameters.By giving expected
power quality parameters,it adjusts compensation ratios of negative,reactive and harmonics instantaneously,so that the IPFC
capacity can be allocated between power quality compensating parameters optimally and real-timely,thus achieving capacity optimal
satisfactory compensa)
- 2012-03-01 16:12:06下载
- 积分:1
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STK
针对STK(Satellite Tool Kit)软件在军事任务可视化仿真领域中的广泛应用,为充分挖掘
其显示潜能,重点解决了影响其三维场景构建的瓶颈问题,即三维场景数据格式的转换和数据的获取
优化。在分析构建STK 三维场景所需要素及其作用的基础上,分别对地形、地表纹理、三维模型和GIS
等四类数据格式进行分析,并利用多种辅助软件,系统地提出了由较通用格式数据向STK 所支持格式
数据的转换方法,以及在对各类原始数据的获取和转换过程中出现的问题进行处理的优化方法。最后通过实例验证表明该数据格式转换方法和数据优化方法行之有效,三维场景显示效果逼真。(STK (Satellite Tool Kit) software widely used in the field of military tasks, visual simulation, to fully tap its display potential, focus on resolving the bottlenecks that affect the construction of the three-dimensional scene, 3D scene data format conversion and data Get optimization. On the basis of the required elements and their role in the analysis of building STK three-dimensional scene analysis, respectively, of the four types of terrain, surface texture, three-dimensional model and GIS data format and use a variety of assistive software, the system proposed by the more common format The data support the format of the data to STK conversion method, as well as access to various types of raw data and conversion process issues deal with the optimization method. Finally, an example to show that the data format conversion method and data optimization method is effective, realistic three-dimensional scene display.)
- 2012-10-30 10:59:12下载
- 积分:1
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A-new-memetic-algorithm-approach-for-the-price-ba
memetic algorthium in the distributed generation enivorment
- 2013-09-01 00:47:10下载
- 积分:1
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ReWorksReDe
ReWorks嵌入式实时操作系统和ReDe嵌入式软件开发环境(ReWorks ReDe)
- 2010-02-25 17:28:38下载
- 积分:1