火箭橇抛撒物轨迹的异面交汇最短距离测量法

Different Surfaces Minimum Distance Measurement Method of Rocket Skid Throwing s Trajectory

针对火箭橇试验中采用光电经纬仪测试分离对象、抛撒物等运行轨迹,存在轨迹图像清晰度无法有效保证和高速摄像接力拍摄法忽略视觉影响造成运行轨迹测量误差较大等问题,提出一种基于异面交汇最短距离的高速摄像测试方法,构建了测量模型,推导了测量公式。用实际试验进行了验证,试验结果表明,该方法能够测量抛撒物的三维运行轨迹。

In this paper,a high-speed camera testing method based on the shortest distance of different surface intersection was proposed to meet the requirements of clear and high-precision measurement of the trajectory of separated objects scattered by rocket sled test.Based on the high-speed relay shooting method,the visual effects of the method were analyzed,the algorithm model was built,and the calibration and test results were carried out.The practical results showed that the method could scientifically and accurately measure the HD image and 3D trajectory parameters of the projectile,which could provide the actual measurement basis for the test and assessment of the separated projectile rocket sled.