FCD(Floating Car Data,浮动车数据)是一种新型的交通信息检测技术,其核心是利用具有GPS/北斗定位和通讯功能的车辆(如城市出租车等)采集的位置、时间、速度等数据,并把这些数据与电子地图进行单点匹配,以及路径推测等,最后可直观描述道路的交通流状况。然而,海量浮动车数据处理存在性能方面的瓶颈,为此,本文针对大规模浮动车数据进行并行处理等关键性算法研究,实现了FCD并行处理系统及FC
The Qilishan gold deposit is located in the southern Zhaolai gold ore belt in the northwestern Jiaodong region.A total of seven gold ore bodies have been found
The motion of pore water directly influences mechanical properties of soils,which are variable during creep.Accurate description of the evolution of mechanical