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在导弹攻击地面目标时,当导弹过靶时刻由激光或无线电等设备获得时,提出了利用1台小型非精密的带有IRIG-B时间码同步的高速数字摄像设备测量导弹脱靶量的方法。首先将高速数字摄像设备沿导弹航向布设在靶面前方,采用近距离固定拍摄方式;然后在靶标两侧各设置1个方位标,使导弹、靶标、方位标同时成像在高速数字摄像设备拍摄的序列图像中,用方位标实时标校高速数字摄像设备参数;最后通过站址、靶标、靶面和导弹相互间的空间几何关系,建立导弹脱靶量测量数学模型,对导弹过靶前后的序列图像进行处理,得到导弹脱靶量。在高速数字摄像设备的跟踪架轴系精度、轴角编码器精度、光学镜头参数等与大型精密光学测量设备相比降低几十倍的情况下,导弹脱靶量测量精度高于大型精密光学测量设备远距离交会的结果。
When a missile attacks a ground target and when the missile’s target time is obtained by a laser or radio equipment, a method for measuring the miss distance of a missile using a small non-precise high-speed digital video camera with IRIG-B time code synchronization is proposed. Firstly, the high-speed digital camera equipment is arranged in front of the target along the course of the missile, and the fixed-angle shooting mode is adopted. Then, one azimuth mark is set on each side of the target so that the missiles, targets and azimuths can be simultaneously imaged on the high-speed digital camera equipment In the sequence images, the high-speed digital camera parameters are marked and calibrated in real time with azimuth markers. Finally, the mathematical model of the miss distance measurement of missiles is established through the geometric relationship between the site, target, target surface and missile. Processed to get missile miss distance. In the high-speed digital camera equipment, the accuracy of tracking shaft, shaft encoder accuracy, optical lens parameters and other large precision optical measurement equipment to reduce the circumstances compared to dozens of times, missiles missiles measuring accuracy than large precision optical measurement equipment The result of the long-distance rendezvous.