21 August 2013 Research and implementation of velocity and position measurement method of projectile
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Proceedings Volume 8908, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Sensors and Applications; 89081K (2013) https://doi.org/10.1117/12.2034153
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China
Abstract
In order to accurately measure velocity and position of projectile when it flies through optical target in shooting range, with studying the principle of intersection measuring system with dual linear CCD, the relationship between the imaging position of object in CCD and the velocity and position of projectile was deduced. Aim at the problem of target extraction in linear CCD image, some corresponding image processing algorithms such as background deduction, interference target removal and imaging central position calculation were proposed. Finally the system was realized and error analysis of various factors that will affect the measurement precision was carried out. Two intersection optical targets were placed in parallel. The first target surface was used to measure coordinates of projectile and the boths were used to measure speed of projectile. The experimental results show that error between the measurement value and the calibration value is in acceptable range. The system can satisfy the requirement of velocity and position measurement of projectile.
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Yi Zhang, Zhendong Wang, Zhiqiang Zha, Lianfa Bai, "Research and implementation of velocity and position measurement method of projectile", Proc. SPIE 8908, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Sensors and Applications, 89081K (21 August 2013); doi: 10.1117/12.2034153; https://doi.org/10.1117/12.2034153
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