| 数字天顶摄影仪确定垂线偏差及其精度分析 |
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| 引用本文： | 郭金运,宋来勇,常晓涛,刘新.数字天顶摄影仪确定垂线偏差及其精度分析[J].武汉大学学报(信息科学版),2011,36(9):1085-1088,1101. |
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| 作者姓名： | 郭金运 宋来勇 常晓涛 刘新 |
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| 作者单位： | 1. 山东科技大学测绘学院,青岛市前湾港路579号,266510／海岛礁测绘技术国家测绘局重点实验室,青岛市前湾港路579号,266510
2. 海岛礁测绘技术国家测绘局重点实验室,青岛市前湾港路579号,266510／国家测绘局卫星测绘应用中心,北京市莲花池西路28号,100830 |
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| 基金项目： | 国家自然科学基金资助项目(40974016,40974004); 国家863计划资助项目(2009AA121405); 山东省泰山学者建设工程专项基金资助项目(TSXZ0502); 海岛(礁)测绘技术国家测绘局重点实验室开放基金资助项目(2009A02); 山东科技大学科研创新团队支持计划资助项目; 国家测绘局科技发展计划资助项目 |
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| 摘 要： | 给出了数字天顶摄影仪的基本结构和垂线偏差测量的基本算法,结合仪器和测量过程,分析了垂线偏差测量误差。数字天顶摄影仪的自动化程度和测量精度都高于传统的天文大地测量。
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| 关 键 词： | 垂线偏差 数字天顶摄影仪 天文大地测量 误差分析 CCD |
Vertical Deflection Measure with Digital Zenith Camera and Accuracy Analysis |
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| GUO Jinyun, SONG Laiyong, CHANG Xiaotao LIU Xin.Vertical Deflection Measure with Digital Zenith Camera and Accuracy Analysis[J].Geomatics and Information Science of Wuhan University,2011,36(9):1085-1088,1101. |
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| Authors: | GUO Jinyun SONG Laiyong CHANG Xiaotao LIU Xin |
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| Institution: | GUO Jinyun1,2 SONG Laiyong1,2 CHANG Xiaotao3 LIU Xin1,2(1 College of Geodesy and Geomatics,Shandong University of Science and Technology,579 Qianwangang Road,Qingdao 266510,China)(2 Key Laboratory of Surveying and Mapping on Island and Reef of SBSM,China)(3 Satellite Surveying and Mapping Application Center of SBSM,28 West Lianhuachi Road,Beijing 100830,China) |
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| Abstract: | The digital zenith camera combining GPS and CCD techniques can be used to rapidly and precisely measure the vertical deflection based on the astrogeodetic theory.Basic framework of digital zenith camera is given.Algorithms to calculate the vertical deflection from GPS measurement and CCD star images are shown.Errors of vertical deflection measured with digital zenith camera are analyzed by considering the instrumental structure and observing procedure.The automation to measure the veritical deflection and t... |
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| Keywords: | vertical deflection digital zenith camera astrogeodesy error analysis CCD |
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