| 旋转对称三角传感器中的光斑偏移 |
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| 引用本文： | 张海波,陶卫,杨金锋,赵辉.旋转对称三角传感器中的光斑偏移[J].上海交通大学学报,2012,46(5):717-721. |
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| 作者姓名： | 张海波 陶卫 杨金锋 赵辉 |
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| 作者单位： | (上海交通大学 电子信息与电气工程学院， 上海 200240) |
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| 基金项目： | 国家高技术研究发展计划(863)资助项目(2009AA110301) |
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| 摘 要： | 针对旋转对称三角传感器中的光斑偏移现象，建立了不同测量角度下成像圆环半径与光斑偏移量关系的数学模型，讨论了不同光斑偏移时的圆环平均半径变化规律，并对光斑偏移引起的光线角度偏移进行了分析.结果表明，所得实验现象与数学模型推导结果一致，数学模型能够反映传感器的光斑偏移规律.
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| 关 键 词： | 旋转对称 三角传感器 光斑偏移 误差分析 |
| 收稿时间： | 2011-05-11 |
Deviation of Light Spot in Rotationally Symmetric Triangulation Sensor |
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| ZHANG Hai-bo,TAOWei,YANG Jin- feng,ZHAO Hui.Deviation of Light Spot in Rotationally Symmetric Triangulation Sensor[J].Journal of Shanghai Jiaotong University,2012,46(5):717-721. |
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| Authors: | ZHANG Hai-bo TAOWei YANG Jin- feng ZHAO Hui |
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| Institution: | (School of Electronic, Information and Electrical Engineering, Shanghai Jiaotong University, Shanghai 200240, China) |
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| Abstract: | To illustrate the effect of the deviation of the spot in a rotational symmetric triangulation sensor, the model of the relation between the radius of the ring in the image and the deviation of the spot was built. Based on the model, the average radius of the ring with different deviations of the spot was estimated, and the change of the ray in direction was also discussed. The experimental results agree well with the theoretical results. Therefore, the model can be used as a useful tool for the design, optimization and manufacture of the sensor. |
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| Keywords: | rotationally symmetric triangulation sensor deviation of light spot error analysis |
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