NextGen is the FAA's long-term plan to replace the current radar-based air-traffic-control system with one that operates using satellites and a global positioning system.
联邦航空管理局的长期规划是用凭借卫星和全球定位系统的次世代体系替换现有的依靠雷达的空中交管系统。
Briefly the paper introduces a new method to make a DEM by a airborne laser radar combining with Global Positioning System and Inertial navigation technology.
主要介绍了利用机载激光雷达并结合全球卫星定位系统、惯性导航技术建立地形高程模型的一种新方法。
This paper addresses the research of ground moving target imaging and positioning in Synthetic Aperture Radar (SAR) system.
该文针对正侧视合成孔径雷达工作体制下运动目标成像、定位问题进行研究。
An array of lasers fitted on the car bumpers, radar and global positioning systems feed data into the on-board computer to determine its location and position.
汽车缓冲器上被安装了一排雷射灯，雷达和全球定位系统随时将数据传入车载计算机用以确定位置。
The refraction effect on positioning of the over-the-horizon radar signal is analyzed. The charts of the refractive error(elevation error and range error) are also given.
主要分析对流层的折射效应对超视距雷达信号定位的影响，并且给出相应的折射误差图（仰角误差和距离误差）；
This system has realized the high precision real-time matching positioning about electronic chart and radar image in possession of high practical value.
本系统实现了较高精度的电子海图与雷达图像实时匹配定位，具备较高的实际应用价值。
The analysis results show that in typical cases the range positioning error of the radar-theodolite joint positioning model is basically equivalent to radar range finding error.
其结果表明，在典型情况下雷达经纬仪联合定位模型距离定位误差与雷达测距误差基本相当。
UWB products will include radar and electronic location and positioning devices in addition to radios.
UWB产品除了无线电外还包括雷达和电子定位设备。
By use of lightning detection and positioning system, satellite cloud and radar echo images as well as the lightning data are analyzed.
通过使用雷电探测定位系统、卫星云图和雷达回波图像等资料，针对雷电数据进行技术分析。
By use of lightning detection and positioning system, satellite cloud and radar echo images as well as the lightning data are analyzed.
通过使用雷电探测定位系统、卫星云图和雷达回波图像等资料，针对雷电数据进行技术分析。
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