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| 基于统计信息定权的井下导线控制网平差应用 | |
| 引用本文： | 刘海世,王波,周德馨.基于统计信息定权的井下导线控制网平差应用[J].测绘与空间地理信息,2013(10):255-257. |
| 作者姓名： | 刘海世 王波 周德馨 |
| 作者单位： | 1. 青海省地矿测绘院,青海西宁,810012 2. 青海省测绘产品质量监督检验站,青海西宁,810001 3. 青海省基础地理信息中心,青海西宁,810001 |
| 摘 要： | 分析了井下导线控制测角误差与对中误差的关系，并根据井下导线控制测角误差的统计信息，采用二次多项式结合最小二乘拟合法确定了测角误差与边长的数学模型。实例计算表明了该方法能合理定权，提高了平差精度。 |
| 关 键 词： | 测角误差 最小二乘拟合 数学模型 定权 |
Application of Underground Traverse Control Network Adjustment Based on Weighting for Statistic Information |
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| LIU Hai-shi , WANG Bo , ZHOU De-xin.Application of Underground Traverse Control Network Adjustment Based on Weighting for Statistic Information[J].Geomatics & Spatial Information Technology,2013(10):255-257. | |
| Authors: | LIU Hai-shi WANG Bo ZHOU De-xin |
| Institution: | LIU Hai - shiI , WANG Bo2, ZHOU De - xin3 (1. Institute of Geology ＆ Mine on Surveying in Qinghai Province, Xi＇ning 810012, China; 2. Station of Quality Check ＆ Supervision to Survey Product in Qinghai Province, Xi＇ning 810001, China; 3. Center of Fundamental Geographical Information in Qinghai Province, Xi＇ning 810001, China) |
| Abstract: | The paper analyzes the relationship between angle - measuring error and aligning error of underground control network and provides functional relation between angle - measuring error and the length of each traverse by the method of polynomial in order 2 with least - squares fitting based on statistical information of angle - measuring error. Therefore, adjustment mathematical model can be de- termined. Finally, an example further shows that the method above is able to improve the accuracy of adjustment. |
| Keywords: | angle-measuring error least-squares fitting mathematical model weighting |
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