| 土地调查用GPS/PDA实时差分定位系统的坐标转换及精度测试 |
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| 引用本文： | 王慧青,王庆.土地调查用GPS/PDA实时差分定位系统的坐标转换及精度测试[J].舰船电子工程,2008,28(11). |
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| 作者姓名： | 王慧青 王庆 |
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| 作者单位： | 东南大学仪器科学与工程学院,南京,210096 |
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| 摘 要： | 基于GPS/PDA技术的土地调查用实时差分定位系统能进行全数字化的数据采集、存储和处理.为将GPS测得的WGS-84坐标系下的点位坐标转换成土地利用数据的当地坐标系,采用平面四参数转换模型并进行基准点的兼容性检验.在北京等试点的大量测试表明,该系统能达到厘米级定位精度.
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| 关 键 词： | GPS/PDA定位误差 坐标转换 |
Transformation of Geodetic Coordinates and Precision Test of GPS/PDA Real Time Differential System for Land Survey |
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| Wang Huiqing,Wang Qing.Transformation of Geodetic Coordinates and Precision Test of GPS/PDA Real Time Differential System for Land Survey[J].Ship Electronic Engineering,2008,28(11). |
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| Authors: | Wang Huiqing Wang Qing |
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| Institution: | Wang Huiqing Wang Qing (Department of Instrument Science , Engineering,Southeast University,Nanjing 210096) |
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| Abstract: | A real time differential positioning system based on GPS/PDA technology is introduced for digital data acquisition,storage and processing.A transformation of geodetic coordinates using four parameters method and compatibility verification is used for WGS84 to the coordinate of land use database.A field test is applied in Beijing,et al.The result shows that a cm-level positioning accuracy is received. |
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| Keywords: | GPS/PDA positioning error transformation of geodetic coordinates |
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