The cloud design resource system is an organic entity from the ecological system perspective, whose elements have the similar behavioral property of creature individuals, populations, and community. Hence, study on cl...The cloud design resource system is an organic entity from the ecological system perspective, whose elements have the similar behavioral property of creature individuals, populations, and community. Hence, study on cloud design resource management can refer to the ecology theory. Based on analyzing the structure of cloud design resource system and the features of cloud design resources, the similarity between those are further dis cussed through the ecological system elements and features. An ecological based application framework of cloud design resource management is then presented.展开更多
Analyzes the main way of product distribution for collaborative design. According to the requirement of manufacturing collaborative design, apply cloud computing in manufacturing collaborative design and come up the c...Analyzes the main way of product distribution for collaborative design. According to the requirement of manufacturing collaborative design, apply cloud computing in manufacturing collaborative design and come up the concept of product collaborative cloud design. Study the product collaborative design theory based on cloud computing and the general key technology of cloud computing, semantic web, intelligent matching selection algorithm, STEP and XML technology, version management and conflict resolution arithmetic and so on which related to this theory. The study object of this article is automotive product. Construct an automotive collaborative design system with the key technology to verify the feasibility and validity of the cloud basing collaborative design theory and related technology. This collaborative design system will overcome the weakness that resource and information can not be shared between different department in the same enterprise or different enterprises. Join up this system will help directly enterprise for collaborative design and the repetition construction of collaborative design platform of each enterprise will be avoid. It will reduce the investment of enterprises for constructing and managing collaborative design platform and further reduce the cost of product R&D with a better and more efficient design.展开更多
针对当前电离层现报和预报数据精度不足、多源异构数据融合困难等问题,本文基于全球卫星导航系统(Global Navigation Satellite System,GNSS)和垂测观测数据,设计了一套电离层融合处理和预报系统。采用限带卡尔曼滤波模型,基于银河麒麟...针对当前电离层现报和预报数据精度不足、多源异构数据融合困难等问题,本文基于全球卫星导航系统(Global Navigation Satellite System,GNSS)和垂测观测数据,设计了一套电离层融合处理和预报系统。采用限带卡尔曼滤波模型,基于银河麒麟操作系统和云计算平台,利用容器云、高可用、分布式架构实现全球及中国周边区域电离层总电子含量(Total Electron Content,TEC)、F2层临界频率(Critical Frequency of the F2 Layer,foF2)及电子密度的高精度现报和预报。实验测试表明,该系统现报延迟约5 min、空间时间分辨率达到5°×2.5°×15 min,较传统数据处理方法有较大提升。系统支持三维电子密度可视化,为电离层研究、卫星导航修正、短波通信及地基雷达等应用提供可靠数据支撑,为无线电系统应用提供高精度、高时效的电离层环境信息服务。展开更多
文摘The cloud design resource system is an organic entity from the ecological system perspective, whose elements have the similar behavioral property of creature individuals, populations, and community. Hence, study on cloud design resource management can refer to the ecology theory. Based on analyzing the structure of cloud design resource system and the features of cloud design resources, the similarity between those are further dis cussed through the ecological system elements and features. An ecological based application framework of cloud design resource management is then presented.
文摘Analyzes the main way of product distribution for collaborative design. According to the requirement of manufacturing collaborative design, apply cloud computing in manufacturing collaborative design and come up the concept of product collaborative cloud design. Study the product collaborative design theory based on cloud computing and the general key technology of cloud computing, semantic web, intelligent matching selection algorithm, STEP and XML technology, version management and conflict resolution arithmetic and so on which related to this theory. The study object of this article is automotive product. Construct an automotive collaborative design system with the key technology to verify the feasibility and validity of the cloud basing collaborative design theory and related technology. This collaborative design system will overcome the weakness that resource and information can not be shared between different department in the same enterprise or different enterprises. Join up this system will help directly enterprise for collaborative design and the repetition construction of collaborative design platform of each enterprise will be avoid. It will reduce the investment of enterprises for constructing and managing collaborative design platform and further reduce the cost of product R&D with a better and more efficient design.
文摘针对当前电离层现报和预报数据精度不足、多源异构数据融合困难等问题,本文基于全球卫星导航系统(Global Navigation Satellite System,GNSS)和垂测观测数据,设计了一套电离层融合处理和预报系统。采用限带卡尔曼滤波模型,基于银河麒麟操作系统和云计算平台,利用容器云、高可用、分布式架构实现全球及中国周边区域电离层总电子含量(Total Electron Content,TEC)、F2层临界频率(Critical Frequency of the F2 Layer,foF2)及电子密度的高精度现报和预报。实验测试表明,该系统现报延迟约5 min、空间时间分辨率达到5°×2.5°×15 min,较传统数据处理方法有较大提升。系统支持三维电子密度可视化,为电离层研究、卫星导航修正、短波通信及地基雷达等应用提供可靠数据支撑,为无线电系统应用提供高精度、高时效的电离层环境信息服务。
