VLBI全球观测系统(VGOS)研究进展

doi:10.11947/j.AGCS.2017.20170326

测绘学报 ›› 2017, Vol. 46 ›› Issue (10): 1346-1353.doi: 10.11947/j.AGCS.2017.20170326

VLBI全球观测系统(VGOS)研究进展

孙中苗^1,2, 范昊鹏³

1. 西安测绘研究所, 陕西西安 710054;
2. 地理信息工程国家重点实验室, 陕西西安 710054;
3. 信息工程大学地理空间信息学院, 河南郑州 450052

收稿日期:2017-06-20 修回日期:2017-08-01 出版日期:2017-10-20 发布日期:2017-10-26
通讯作者: 范昊鹏 E-mail:fanhaopeng2008@163.com
作者简介:孙中苗(1968-),男,博士,研究员,研究方向为物理大地测量、空间大地测量、海洋测绘。E-mail:sun_szm@163.com
基金资助:
国家自然科学基金（41474015）

Research Progress of VLBI Global Observing System (VGOS)

SUN Zhongmiao^1,2, FAN Haopeng³

1. Institute of Surveying and Mapping, Xi'an 710054, China;
2. State Key Laboratory of Geo-Information Engineering, Xi'an 710054, China;
3. School of Geospace Information, Information Engineering University, Zhengzhou 450052, China

Received:2017-06-20 Revised:2017-08-01 Online:2017-10-20 Published:2017-10-26
Supported by:
The Nation Natural Science Foundation of China (No. 41474015)

摘要/Abstract

摘要： 甚长基线干涉测量（VLBI）因其独具的超高空间分辨率和定位精度，使其从20世纪70年代末开始就一直是各国的大地测量学研究热点。然而目前VLBI的测量水平依旧不能满足许多需要毫米级精度的科学和工程领域的需求。为促进实现全球尺度下1 mm位置精度的目标，国际VLBI大地测量与天体测量服务组织（IVS）正在推进新一代VLBI全球观测系统，即VGOS。本文从组成VGOS测站的各个子系统入手，介绍了国内外当前的进展情况及未来VGOS的发展趋势，并在最后列出了现阶段依旧面临的问题和挑战。

关键词: VLBI, VGOS, 宽带测量系统, 相关机, 本地连接

Abstract: Known for unique super-high spatial resolution and positioning accuracy, very long baseline interferometry (VLBI) has been a geodetic research hotspot in various countries since late 1970s. The measuring capability of VLBI currently, however, still stays below satisfaction to a number of scientific and engineering fields, which require millimeter-level accuracy. In order to realize the goal of 1 mm positioning accuracy on global scales, the international VLBI service for geodesy and astrometry(IVS)recommended constructing a new generation VLBI observing system, namely VGOS. Starting with subsystems that constitute a VGOS station, this paper introduced the present progress and development trend of VGOS at home and abroad, and finally listed the problems and challenges which still should be faced at present stage.

Key words: VLBI, VGOS, broadband measurement system, correlator, local tie

中图分类号:

P229

孙中苗, 范昊鹏. VLBI全球观测系统(VGOS)研究进展[J]. 测绘学报, 2017, 46(10): 1346-1353.

SUN Zhongmiao, FAN Haopeng. Research Progress of VLBI Global Observing System (VGOS)[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(10): 1346-1353.

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VLBI全球观测系统(VGOS)研究进展

Research Progress of VLBI Global Observing System (VGOS)

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