| 基于OEM的差分GPS基准站的设计 |
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| 引用本文： | 丁胜昔,张其善.基于OEM的差分GPS基准站的设计[J].北京航空航天大学学报,2002,28(1):50-53. |
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| 作者姓名： | 丁胜昔 张其善 |
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| 作者单位： | 北京航空航天大学 电子工程系 |
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| 摘 要： | 介绍了差分GPS(DGPS)的定位模型以及RTCM SC-104数据格式及其电文编码,提出了利用廉价的GPS-OEM(原始设备制造商)建立基准站的设计方案,方法是利用GPS-OEM和微处理器构成硬件系统,利用GPS-OEM输出的二进制差分修正数据,将其编码为RTCM SC-104电文来进行设计.实验结果表明这种DGPS基准站同样可以达到1~5?m的水平平面定位精度,因此具有性能价格比高,实用灵活的优点.
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| 关 键 词： | 定位 差分 校正 基准 |
| 文章编号： | 1001-5965(2002)01-0050-04 |
| 收稿时间： | 2000-05-16 |
| 修稿时间： | 2000年5月16日 |
Differential GPS Reference Station Design Based on OEM |
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| DING Sheng,xi\ ZHANG Qi,shan.Differential GPS Reference Station Design Based on OEM[J].Journal of Beijing University of Aeronautics and Astronautics,2002,28(1):50-53. |
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| Authors: | DING Sheng xi\ ZHANG Qi shan |
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| Institution: | Beijing University of Aeronautics and Astronautics, Dept. of Electronic Engineering |
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| Abstract: | The DGPS positioning model is introduced and the RTCM SC-104 message content is described. The design scheme of the DGPS reference station based on cheap GPS-OEM is proposed. This kind of DGPS reference station is composed of GPS-OEM and microprocessor. The general GPS receiver only can receive the RTCM SC-104 differential correction message, so the binary correction message output by GPS-OEM must be encoded into the RTCM SC-104 standard format. The DGPS positioning experiment was made. The experiment result proves that the positioning precise of the DGPS system constructed by this DGPS reference station can reach to 1~5 meters. Therefore, this DGPS system is economical and practicable. |
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| Keywords: | positioning difference correction reference |
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