| 1. | Analyse the technology principle of program tracking , step - in tracking , conical scan tracking and singleshot tracking , and contrast the advantage and disadvantage of them . select program tracking and conical scan tracking considering performance and cost
二、对程序跟踪、步进跟踪、圆锥扫描跟踪和单脉冲跟踪这四种自动跟踪技术的原理进行了具体的分析,并比较了它们各自的优缺点,从性价比的角度,选择了程序跟踪与圆锥扫描跟踪相结合的方式。 |
