非差非组合PPP-RTK：模型算法、终端样机与实测结果
智能驾驶、精密农业和无人机等新兴行业要求全球导航卫星系统(GNSS)提供更加快速、准确的导航定位服务。非差非组合PPP-RTK融合了精密单点定位(PPP)和实时动态定位(RTK)两者的优势，能灵活处理多频多模数据并实现区域广覆盖的快速高精度定位。然而，PPP-RTK仍处于技术研发阶段，产业化应用尚未完全成型。本文从理论到实践，构建了码分多址和频分多址非差非组合PPP-RTK模型，开发了相应的实时解算软件，并研制了一款终端样机。基于平均站间距为154 km的京津冀参考网估计的精密改正产品，将终端样机分别搭载在无人机、农机和跑车上，开展了实时动态定位试验。试验结果表明，PPP-RTK终端样机在3个...
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| Published in | Ce hui xue bao Vol. 51; no. 8; pp. 1725 - 1735 |
|---|---|
| Main Authors | , , , , , , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Beijing
Surveying and Mapping Press
01.08.2022
中国科学院大学地球与行星科学学院,北京 100049%中国科学院空天信息创新研究院,北京 100094 中国科学院精密测量科学与技术创新研究院大地测量与地球动力学国家重点实验室,湖北 武汉430071%中国科学院精密测量科学与技术创新研究院大地测量与地球动力学国家重点实验室,湖北 武汉430071 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-1595 1001-1595 |
| DOI | 10.11947/j.AGCS.2022.20210465 |
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| Abstract | 智能驾驶、精密农业和无人机等新兴行业要求全球导航卫星系统(GNSS)提供更加快速、准确的导航定位服务。非差非组合PPP-RTK融合了精密单点定位(PPP)和实时动态定位(RTK)两者的优势，能灵活处理多频多模数据并实现区域广覆盖的快速高精度定位。然而，PPP-RTK仍处于技术研发阶段，产业化应用尚未完全成型。本文从理论到实践，构建了码分多址和频分多址非差非组合PPP-RTK模型，开发了相应的实时解算软件，并研制了一款终端样机。基于平均站间距为154 km的京津冀参考网估计的精密改正产品，将终端样机分别搭载在无人机、农机和跑车上，开展了实时动态定位试验。试验结果表明，PPP-RTK终端样机在3个场景下的模糊度首次固定时间分别为5、2和7 s, 模糊度固定成功率分别为99.79%、99.14%和98.96%，水平和高程定位精度分别在1 cm和4 cm左右。试验结果证明了自研PPP-RTK终端样机能提供连续、可靠、高精度的定位服务。 |
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| AbstractList | P228; 智能驾驶、精密农业和无人机等新兴行业要求全球导航卫星系统(GNSS)提供更加快速、准确的导航定位服务.非差非组合PPP-RTK融合了精密单点定位(PPP)和实时动态定位(RTK)两者的优势,能灵活处理多频多模数据并实现区域广覆盖的快速高精度定位.然而,PPP-RTK仍处于技术研发阶段,产业化应用尚未完全成型.本文从理论到实践,构建了码分多址和频分多址非差非组合PPP-RTK模型,开发了相应的实时解算软件,并研制了一款终端样机.基于平均站间距为154 km的京津冀参考网估计的精密改正产品,将终端样机分别搭载在无人机、农机和跑车上,开展了实时动态定位试验.试验结果表明,PPP-RTK终端样机在3个场景下的模糊度首次固定时间分别为5、2和7 s,模糊度固定成功率分别为99.79％、99.14％和98.96％,水平和高程定位精度分别在1 cm和4 cm左右.试验结果证明了自研PPP-RTK终端样机能提供连续、可靠、高精度的定位服务. 智能驾驶、精密农业和无人机等新兴行业要求全球导航卫星系统(GNSS)提供更加快速、准确的导航定位服务。非差非组合PPP-RTK融合了精密单点定位(PPP)和实时动态定位(RTK)两者的优势，能灵活处理多频多模数据并实现区域广覆盖的快速高精度定位。然而，PPP-RTK仍处于技术研发阶段，产业化应用尚未完全成型。本文从理论到实践，构建了码分多址和频分多址非差非组合PPP-RTK模型，开发了相应的实时解算软件，并研制了一款终端样机。基于平均站间距为154 km的京津冀参考网估计的精密改正产品，将终端样机分别搭载在无人机、农机和跑车上，开展了实时动态定位试验。试验结果表明，PPP-RTK终端样机在3个场景下的模糊度首次固定时间分别为5、2和7 s, 模糊度固定成功率分别为99.79%、99.14%和98.96%，水平和高程定位精度分别在1 cm和4 cm左右。试验结果证明了自研PPP-RTK终端样机能提供连续、可靠、高精度的定位服务。 |
| Author | 张宝成 查九平 侯鹏宇 刘腾 柯成 李子申 袁运斌 |
| AuthorAffiliation | 中国科学院精密测量科学与技术创新研究院大地测量与地球动力学国家重点实验室,湖北 武汉430071%中国科学院精密测量科学与技术创新研究院大地测量与地球动力学国家重点实验室,湖北 武汉430071;中国科学院大学地球与行星科学学院,北京 100049%中国科学院空天信息创新研究院,北京 100094 |
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| Author_FL | KE Cheng LIU Teng YUAN Yunbin ZHA Jiuping HOU Pengyu ZHANG Baocheng LI Zishen |
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| Copyright | Aug 2022. This work is published under https://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| SubjectTerms | Agricultural equipment Ambiguity resolution (mathematics) Frequency division multiple access Global navigation satellite system Industrial applications Kinematics Precision agriculture Prototypes R&D Real time Research & development Terminals Vertical orientation |
| Title | 非差非组合PPP-RTK：模型算法、终端样机与实测结果 |
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