| ��������ƹ���1980��������ϵ��2000��������ϵ�ı任 |
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| 引用本文： | 曾安敏. ��������ƹ���1980��������ϵ��2000��������ϵ�ı任[J]. 大地测量与地球动力学, 2008, 28(5): 125-128 |
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| 作者姓名： | 曾安敏 |
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| 作者单位： | 长安大学地质工程与测绘工程学院,西安,710054;西安测绘信息技术总站,西安,710054 |
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| 摘 要： | ????????????????????????????????????????????????????????????κ???????,?????????????1980???????????2000???????????????У?????????????????????????????任????????????????任??
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| 关 键 词： | ?????? Bursa??? 2000????????? 1980????????? ????任 |
TRANSFORMATION FROM 1980 XI'AN COORDINATE SYSTEM TO 2000 CHINESE COORDINATE SYSTEM BASED ON COLLOCATION |
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| Zeng Anmin. TRANSFORMATION FROM 1980 XI'AN COORDINATE SYSTEM TO 2000 CHINESE COORDINATE SYSTEM BASED ON COLLOCATION[J]. Journal of Geodesy and Geodynamics, 2008, 28(5): 125-128 |
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| Authors: | Zeng Anmin |
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| Affiliation: | 1) School of Geology Engineering and Geomatics，Chang’an University，Xi’an 7100542) Xi’an Information Division of Surveying and Mapping, Xi’ an 710054 |
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| Abstract: | Because the similarity transformation method applied in practice for coordinate transformation is not so accurate in general to unify different coordinate systems, the collocation method is applied for coordinate transformation from the 1980 Xi’an coordinate system to 2000 Chinese geodetic coordinate system and the local error accumulation and distortion are considered in the collocation method. The computed result of an actual sample shows that the accuracy of transformed coordinates is evidently improved with the collocation method than with the similarity transformation method. |
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| Keywords: | collocation Bursa model 2000 Chinese Geodetic Coordinate System (CGCS2000) 1980 Xi’an coordinate system similarity transformation |
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