针对弹道散布范围大或被测飞行物体尺寸大的测速场合，介绍了一种实现大面积有效靶区激光光幕速度测量的方法。
A novel Laser screen velocity measuring method with large effective screen area is introduced for some special velocity measuring occasions like wide spreading range or big-size flying objects.
对于飞船返回舱，黑障区弹道再现是再人飞行试验气动分析工作的重要环节。
For reentry capsules of spacecraft, making up the trajectory in black-out area is a key link of aerodynamic analysis from flight test data.
利用舱上测量数据和有限的雷达测量数据重构飞行弹道，是黑障区弹道再现的有效方法。
One of effective methods for this problem is to reconstruct flight trajectory employing the onboard measurement data and the limited radar data.
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