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15 November 2011 Research on measurement of flying object nutation angle based on double linear CCD intersection
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Proceedings Volume 8335, 2012 International Workshop on Image Processing and Optical Engineering; 83351F (2011) https://doi.org/10.1117/12.917417
Event: 2012 International Workshop on Image Processing and Optical Engineering, 2012, Harbin, China
Abstract
The importance of space scale matching of flying direction and object long axis is presented when we measure nutation angle of flying object with slit photography, and a new method to measure nutation angle of flying object combined slit photography and double linear CCD intersection is examined. A brief methodology of nutation angle computing by series double linear image analysis is discussed, and a nunation angle measurement system is designed. A series linear image analysis method is developed to obtain the image position of series point on object long axis at pixel scale, and then the double linear CCD intersection theory is used to find the space coordinate position of various points at actual space scale. They are also put forward in this paper that invalid coordinate data are rejected by line detecting and flying direction data space is decided by perpendicular flying distance of object at CCD sampling interval. At final, a practical test sample is given, and the feasibility of measurement method is proved.
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Weihong Ma, Qiuhong Pang, and Jinping Ni "Research on measurement of flying object nutation angle based on double linear CCD intersection", Proc. SPIE 8335, 2012 International Workshop on Image Processing and Optical Engineering, 83351F (15 November 2011); https://doi.org/10.1117/12.917417
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