外场实验表明，系统工作稳定，可满足无人机跟踪监视要求，适用于地面定点或移动车载对无人机的跟踪监视。
Field experiments show that the system is reliable. It meets the requirement of tracking and monitoring of UAV and can be applied to fixed point or mobile vehicle to track and monitor UAV.
目的在交通网络中实现移动对象的定点CRNN查询监控，确定受到定点影响的移动对象集合。
We propose a continue reverse nearest neighbor(CRNN) query algorithm in road networks, which can return the moving objects influenced by the static query point.
在手机端主要是使用移动GIS对公路路段进行定点和采集数据，服务器与手机之间是通过XML文件进行相互通信，把结果上传到手机端显示。
On the mobile phone, it contains using mobile GIS to location of road and data collection. The communication between server and mobile phone USES XML, and the result is showed on the phone.
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