| 2. | X - band ground based radar ( gbr ) plays an important role in national missile defense ( nmd ) system , it has many important functions such as middle stage surveillance and interception , trajectory prediction , target identifying and classifying . it has important significance to analyze and study gbr system , not only for ballistic missile ’ attack and defense research , but also for our national space surveillance and ballistic missile defense system development X波段地基雷达( gbr )是美国国家导弹防御系统中段防御和拦截系统中最主要和最有效的目标精确跟踪和识别传感器之一,它负责中段监视和截获、预测弹道和实测弹道的精度、识别和目标分类等重要功能,对gbr的系统分析和仿真研究,探究其工作机理和识别手段,不但对于研究弹道导弹的有效突防措施和攻防对抗有着重要意义,对于发展我国自己的空间监测和弹道导弹防御系统也有着重要的参考价值。 |