Accurate verification and evaluation of on-board GNSS-R interferometric altimetry under on-shore conditions

被引：0
|
作者：
Huang, Lingyong [1 ,2 ,3 ]
Li, Shizhong [1 ,2 ]
Xia, Junming [3 ]
Wang, Haiyan [2 ]
Sun, Yueqiang [3 ]
Yang, Rixin [2 ]
Du, Qifei [3 ]
Huang, Zhiyong [1 ,2 ]
机构：
[1] Key Laboratory of Smart Earth, Beijing,100094, China
[2] State Key Laboratory of Geo-Information Engineering, Wan, 710054, China
[3] National Space Science Center, CAS, Beijing,100190, China
来源：
Cehui Xuebao/Acta Geodaetica et Cartographica Sinica | 2024年 / 53卷 / 02期
关键词：
Global positioning system - Interferometry - Satellites - Signal processing - Surface waters;
D O I：
10.11947/j.AGCS.2024.20230290
中图分类号：
学科分类号：
摘要：
The on-board GNSS-R interferometric altimetry technology utilizes wideband hybrid codes modulated on GNSS satellite signals to achieve high-precision wide-swath sea surface altimetry. In order to evaluate the performance of on-board GNSSR interferometric altimetry, this article designs an accuracy evaluation strategy for on-board GNSS-R interferometric altimetry based on the results of on-shore GNSS-R interferometric altimetry. The evaluation results show that GNSS-R interferometric altimetry is related to the signal system and signal-to-noise ratio of satellite navigation systems. On-board GNSS-R interferometric altimetry can achieve centimeter-level altimetry accuracy. The research findings of this article provide technical reference and data support for the engineering practice of subsequent on-board GNSS-R interferometric altimetry technology. © 2024 SinoMaps Press. All rights reserved.
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页码：239 / 251
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