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。
2
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。
3
This paper addresses the research of ground moving target imaging and positioning in Synthetic Aperture Radar (SAR) system.