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对空情报雷达是国土防空武器系统中的一个重要组成部分,它们担负着对空警戒,引导任务以及航行管制任务。但是,绝大多数对空情报雷达都存在着一个明显的缺陷,即雷达荧光屏只能实时显示,而无法提供永久保存的雷达数据及图像记录,以便事后可以重新观察和鉴别某一事件在某一特定时刻的先后顺序、飞机当时的运动情况以及对模糊图像重新进行精确分析等。过去,要记录雷达图像只能对雷达荧光屏拍照。这种原始的记录方法缺点很多。随着电子技术领域的日新月异,现在已经有可能采用电处理的方法来记录雷达数据及图像。用电处
The air intelligence radar is an important part of the national air defense weapon system. They bear the tasks of air alert, guidance mission and air traffic control. However, the vast majority of air intelligence radars have a clear flaw. Radar fluorescent screens can only display real-time information and can not provide permanently stored radar data and image records so that afterwards, they can re-observe and identify an incident at a certain point The sequence of specific moments, the movement of the aircraft at the time, and the accurate re-analysis of blurred images. In the past, to record radar images can only take pictures of the radar screen. This original recording method has a lot of drawbacks. With the ever-changing electronic technologies, it is now possible to record radar data and images electronically. Electricity Department