微PNT与综合PNT

doi:10.11947/j.AGCS.2017.20170249

测绘学报 ›› 2017, Vol. 46 ›› Issue (10): 1249-1254.doi: 10.11947/j.AGCS.2017.20170249

微PNT与综合PNT

杨元喜¹, 李晓燕²

1. 西安测绘研究所地理信息工程国家重点实验室, 陕西西安 710054;
2. 31009部队, 北京 100088

收稿日期:2017-05-11 修回日期:2017-07-07 出版日期:2017-10-20 发布日期:2017-10-26
作者简介:杨元喜(1956-),男,博士,研究员,中国科学院院士,研究方向为动态大地测量数据与卫星导航数据处理。E-mail:yuanxi_yang@163.com
基金资助:
国家重点研发计划（2016YFB0501700）

Micro-PNT and Comprehensive PNT

YANG Yuanxi¹, LI Xiaoyan²

1. National Key Laboratory of Geo-Information Engineering, Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China;
2. 31009 Troops, Beijing 100088, China

Received:2017-05-11 Revised:2017-07-07 Online:2017-10-20 Published:2017-10-26
Supported by:
The National Key Research and Development of China(No. 2016YFB0501700)

摘要/Abstract

摘要： 综合定位导航授时是后GNSS（全球卫星导航系统）发展的必然趋势。本文侧重梳理微PNT发展需求和发展现状，分析与之关联的核心关键技术，论述综合PNT与微PNT的关系。强调综合PNT需要大量基础设施投入与建设，而微PNT侧重高技术传感器的集成应用。与现有文献思路不同的是，我们认为，为了实现各类传感器PNT输出结果的坐标基准统一和时间尺度一致，微PNT应包含多模GNSS和芯片级惯性导航和芯片级原子钟等定位定时组件，微PNT强调小型化、个性化、组合化服务终端；微PNT除各PNT组件的小型化外，还包括各组件的深度集成，各类数据的自适应融合和各组件的自主标校；当然，微PNT也强调各传感器信息的时空基准的统一。

关键词: 定位导航授时, 微型惯导组件, 芯片级原子钟, 传感器集成, 数据融合, 综合PNT

Abstract: Comprehensive or integrated positioning, navigation and timing is an obvious developing trend following the global navigation satellite system.This paper summarizes the current status of micro-PNT and its developing requirements. The related key technologies are described and the relationship between comprehensive PNT and micro-PNT is analyzed. It is stressed that the comprehensive PNT needs massive infrastructure construction and investment, however, the micro-PNT aims at the integrated applications of high-tech micro sensors. It is different from the current opinions appeared in the literatures, micro-PNT should include multi GNSS integration and micro components of navigation and timing in order to make the PNT outputs refer to a unified coordinate datum and time scale. Micro-PNT focuses on the personalized micro terminal applications. Except for the miniaturization of each PNT component, micro-PNT aims at the deep integration of the micro sensors, adaptive data fusion and self calibration of each component.

Key words: positioning,navigation and timing (PNT), micro inertial navigation sensor, chip scale atomic clock, sensor integration, data fusion, comprehensive PNT

中图分类号:

P228

杨元喜, 李晓燕. 微PNT与综合PNT[J]. 测绘学报, 2017, 46(10): 1249-1254.

YANG Yuanxi, LI Xiaoyan. Micro-PNT and Comprehensive PNT[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(10): 1249-1254.

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微PNT与综合PNT

Micro-PNT and Comprehensive PNT

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