| 精密单点定位在建立海岛礁大地基准中的应用研究 |
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| 引用本文： | 陈娜,尤宝平,邓孟真,崔杨.精密单点定位在建立海岛礁大地基准中的应用研究[J].海洋测绘,2019,39(2):26-29. |
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| 作者姓名： | 陈娜 尤宝平 邓孟真 崔杨 |
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| 作者单位： | 海军大连舰艇学院军事海洋与测绘系,辽宁大连,116018;61363部队,陕西西安,710054 |
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| 基金项目： | 国家自然科学基金(41374018；41476087；41576015) |
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| 摘 要： | 为探究精密单点定位(PPP)技术用于海岛礁大地基准建立的可行性,将PPP解算的坐标结果及其经过历元和框架转换后的坐标结果,分别与其2000国家大地坐标系(CGCS 2000)的已知坐标进行比对分析。结果表明,经过历元和框架转换后的PPP坐标结果与CGCS 2000坐标仅存在厘米级的差异,能够满足布设海控一级点的精度要求,可为PPP技术用于我国海岛礁大地基准的建立提供参考依据。
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| 关 键 词： | 精密单点定位 2000国家大地坐标系 海岛礁 大地基准 历元转换 框架转换 |
The Application Research of Precise Point Positioning for the Establishment of Island and Reef Geodetic Datum |
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| CHEN N,YOU Baoping,DENG Mengzhen,CUI Yang.The Application Research of Precise Point Positioning for the Establishment of Island and Reef Geodetic Datum[J].Hydrographic Surveying and Charting,2019,39(2):26-29. |
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| Authors: | CHEN N YOU Baoping DENG Mengzhen CUI Yang |
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| Abstract: | In order to explore the feasibility of precision point positioning (PPP) technology for the establishment of island and reef geodetic datum,the results of PPP technology and the coordinate results after epoch transformation and frame transformation are compared with the known coordinates of the China Geodetic Coordinate System 2000 (CGCS 2000).Results show that through epoch transformation and frame transformation,the results can reach the centimeter level differences with CGCS 2000 coordinates,which can meet the accuracy requirement of the sea first level control point,so it can provide theoretical basis for the PPP technology in the establishment of island and reef geodetic datum. |
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