美国无线电公司正在为国家航空和宇航局设计和制造了一种新的激光系统,该系统将与雷达装置相结合,以提高估计飞机自动着陆系统时的精度。据说,这种激光、雷达联合结构将是用激光束在低空和远距离情况下跟踪飞机的第 A U.S. radio company is designing and manufacturing a new laser system for the National Aeronautics and Space Administration that will combine radar devices to improve the accuracy of the aircraft’s automatic landing system. It is said that this laser, radar joint structure will be the use of laser beams at low altitude and long distance tracking aircraft