Unmanned aerial vehicles(UAVs)have become one of the key technologies to achieve future data collection due to their high mobility,rapid deployment,low cost,and the ability to establish line-of-sight communication lin...Unmanned aerial vehicles(UAVs)have become one of the key technologies to achieve future data collection due to their high mobility,rapid deployment,low cost,and the ability to establish line-of-sight communication links.However,when UAV swarm perform tasks in narrow spaces,they often encounter various spatial obstacles,building shielding materials,and high-speed node movements,which result in intermittent network communication links and cannot support the smooth comple-tion of tasks.In this paper,a high mobility and dynamic topol-ogy of the UAV swarm is particularly considered and the high dynamic mobile topology-based clustering(HDMTC)algorithm is proposed.Simulation and real flight verification results verify that the proposed HDMTC algorithm achieves higher stability of net-work,longer link expiration time(LET),and longer node lifetime,all of which improve the communication performance for UAV swarm networks.展开更多
为了开发简单易用的移动测量设备数据采集、处理软件,对目前常用的数据采集、处理软件的优缺点作了分析,并针对存在缺点提出了GeoSolution软件的解决方案。以Windows Mobile 6.0操作系统应用程序的开发环境为平台,搭建GeoSolution软件...为了开发简单易用的移动测量设备数据采集、处理软件,对目前常用的数据采集、处理软件的优缺点作了分析,并针对存在缺点提出了GeoSolution软件的解决方案。以Windows Mobile 6.0操作系统应用程序的开发环境为平台,搭建GeoSolution软件的开发架构,并对GeoSolution软件的开发过程作了阐明,针对软件开发过程中遇到的技术难题提出了解决方法。展开更多
SQL Server Mobile为移动设备和嵌入式设备提供了一个压缩的数据库解决方案。通过使用Microsoft VisualStudio工具,开发者可以将SQL Server的数据库管理能力扩展到移动设备上。介绍了在基于WINCE的移动设备上开发SQL Server Mobile数据...SQL Server Mobile为移动设备和嵌入式设备提供了一个压缩的数据库解决方案。通过使用Microsoft VisualStudio工具,开发者可以将SQL Server的数据库管理能力扩展到移动设备上。介绍了在基于WINCE的移动设备上开发SQL Server Mobile数据库的方法。并结合多媒体词典数据库的开发,详细分析了在系统开发中涉及的几项关键技术,对于嵌入式移动数据库的开发具有一定的参考价值。展开更多
基金supported by the National Key Research and Development Program of China(2024YFB4504500)Shanghai Collaborative Innovation Project(24xtcx00500).
文摘Unmanned aerial vehicles(UAVs)have become one of the key technologies to achieve future data collection due to their high mobility,rapid deployment,low cost,and the ability to establish line-of-sight communication links.However,when UAV swarm perform tasks in narrow spaces,they often encounter various spatial obstacles,building shielding materials,and high-speed node movements,which result in intermittent network communication links and cannot support the smooth comple-tion of tasks.In this paper,a high mobility and dynamic topol-ogy of the UAV swarm is particularly considered and the high dynamic mobile topology-based clustering(HDMTC)algorithm is proposed.Simulation and real flight verification results verify that the proposed HDMTC algorithm achieves higher stability of net-work,longer link expiration time(LET),and longer node lifetime,all of which improve the communication performance for UAV swarm networks.
文摘为了开发简单易用的移动测量设备数据采集、处理软件,对目前常用的数据采集、处理软件的优缺点作了分析,并针对存在缺点提出了GeoSolution软件的解决方案。以Windows Mobile 6.0操作系统应用程序的开发环境为平台,搭建GeoSolution软件的开发架构,并对GeoSolution软件的开发过程作了阐明,针对软件开发过程中遇到的技术难题提出了解决方法。
文摘SQL Server Mobile为移动设备和嵌入式设备提供了一个压缩的数据库解决方案。通过使用Microsoft VisualStudio工具,开发者可以将SQL Server的数据库管理能力扩展到移动设备上。介绍了在基于WINCE的移动设备上开发SQL Server Mobile数据库的方法。并结合多媒体词典数据库的开发,详细分析了在系统开发中涉及的几项关键技术,对于嵌入式移动数据库的开发具有一定的参考价值。