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Model Analysis on the Performance of an Inertial Aided FLL-Assisted-PLL Carrier-Tracking Loop in the Presence of Ionospheric Scintillations
Model Analysis Performance Inertial Aided FLL-Assisted-PLL Carrier-Tracking Loop Presence Ionospheric Scintillations
2015/6/25
Ionospheric scintillation has a significant impact on the availability of Global Positioning System (GPS) and Wide Area Augmentation System (WAAS), especially when the GPS/WAAS receiver is dynamically...
试验模态分析系统设计与应用（Design and Application of the Experimental Model Analysis System）
试验模态分析 测试系统 动力总成
2009/5/22
设计了信号采集分析系统（VTCL_DSP）、试验模态分析系统（VTCL_MDT）为软件和NI—USB9215A信号采集器、三向加速度传感器为核心硬件的试验模态分析系统。系统引入了测量点响应矢量概念，采用定时长采集和变时基提取技术获取触发过程的激励力和响应信号。探讨了单点激励多点三向量响应模态试验分析方法获得结构完整模态振型的优点。给出了某动力总成和某白车身模态分析的应用实例。结果表明，系统具有较高...
Evaluation for Safety WalkingEnvironment at Shipyard by Human Model Analysis on Transferring Platform mock-up
occupational accident Transferring Platform
2009/3/27
Present situation surrounding occupational accident in shipyard is described that number of occupational accident is shifting from approximately flat to increase, and these are related with increase o...
AbstractThe ultimate goal of workflow management is to implement the right person executes the right activity at the right time. To make enterprises more competitive, time-related restrictions of busi...
Statistical Model, Analysis and Approximation of Rate-Distortion Function in MPEG-4 FGS Videos
Statistical Model Analysis Approximation Rate-Distortion Function in MPEG-4 FGS Videos
2010/12/16
In this paper, we propose an object detection approach using spatial histogram features. As spatial histograms consist of marginal distributions of an image over local patches, they can preserve textu...
Statistical Model, Analysis and Approximation of Rate-Distortion Function in MPEG-4 FGS Videos
Statistical Model Rate-Distortion Function MPEG-4 FGS Videos
2010/12/15
Fine-granular scalability (FGS) has been accepted as the streaming profile of MPEG-4 to provide a flexible foundation for scaling the enhancement layer (EL) to accommodate variable network capacity. T...