| THE WIND SPEED INVERSION AND IN-ORBIT ASSESSMENT OF IMAGING ALTIMETER ON TIANGONG-2 SPACE STATION | |
| Bao, Qingliu; Yin, Xiaobin; Zou, Juhong; Lin, Mingsen; Zhang, Youguang; Zhang, Yunhua | |
| Department | 微波遥感部 |
| Source Publication | IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM |
| 2018 | |
| Pages | 1005-1008 |
| Language | 英语 |
| ISSN | 2153-6996 |
| ISBN | 978-1-5386-7150-4 |
| Abstract | Imaging ALTimeter (IALT) is a new type of radar altimeter system, which observes the earth from 2 degrees to 7 degrees incident angles. In comparison to the conventional altimeters such as HY-2A altimeter, Jason-1/2, TOPEX/Poseidon, which observe the ocean at nadir, the swath of IALT is much wider and its spatial resolution is much higher. The IALT on board Tiangong-2 space station is launched on 15th September, 2016 at Jiuquan Satellite Launch Center. The inorbit assessment of IALT is done until 30th April, 2017. In this paper, the ocean surface wind speed inversion method based on IALT is established. The neural network algorithm is used for ocean surface wind speed retrieval, and the spatial resolution of retrieved wind speed is 25km. The wind speed inversion accuracy is evaluated by comparing with the ECMWF reanalysis wind speed, buoy wind speed, and boat measurement wind speed. The results show that the Root-Mean-Square (RMS) of retrieved wind speed is 1.85m/s, and the Bias of retrieved wind speed is about 0.21m/s. The wind speed inversion accuracy satisfies performance requirement. |
| Keyword | Imaging ALTimeter ocean surface wind speed inversion accuracy in-orbit assessment |
| Conference Name | 38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS) |
| Conference Date | JUL 22-27, 2018 |
| Conference Place | Valencia, SPAIN |
| Indexed By | CPCI |
| Document Type | 会议论文 |
| Identifier | http://ir.nssc.ac.cn/handle/122/6715 |
| Collection | 微波遥感部 |
| Recommended Citation GB/T 7714 | Bao, Qingliu,Yin, Xiaobin,Zou, Juhong,et al. THE WIND SPEED INVERSION AND IN-ORBIT ASSESSMENT OF IMAGING ALTIMETER ON TIANGONG-2 SPACE STATION[C],2018:1005-1008. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 201808518837.pdf（329KB） | 会议论文 | 开放获取 | CC BY-NC-SA | Application Full Text | ||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment