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美国空军和国防先进研究规划局(DARPA),正在进行一项联合计划:采用先进的雷达技术,研制先进的空间雷达。这种空间雷达,将是高分辨率的多用途系统。它将集成多种遥感器,成为国防侦察支援计划中的一个重要组成部分。雷达将工作在1000至5000海里的高度,计划1990年投入使用。先进的空间雷达除能探测苏联逆火式和革锤式轰炸机和多枚低空飞航式导弹外,还有许多其它用途,如监视空间物体,监视导弹,包括弹道导弹,进行海洋监视等。适当数目的雷达卫星,可在美国北纬30°的上空竖起一道雷达警戒网。如果雷达
The U.S. Air Force and the Defense Advanced Research Projects Agency (DARPA) are conducting a joint project: Advanced radar technology to develop state-of-the-art space radars. This space radar will be a high-resolution multi-purpose system. It will integrate multiple remote sensors and become an integral part of the defense reconnaissance support program. The radar will operate at altitudes of 1,000 to 5,000 nautical miles and is scheduled to go into service in 1990. Advanced space radars can detect, in addition to the Soviet backfire and leather-borne bombers and several low-altitude missiles, many other uses such as surveillance of space objects, surveillance of missiles, including ballistic missiles and marine surveillance. An appropriate number of radar satellites can be used to raise a radar warning net above 30 ° north latitude in the United States. If the radar