On-Board Wind Scatterometry
Alternative TitleWOS:000537709600166;20201908635444
Xu, Xingou; Dong, Xiaolong1; Xie, Yu2
Source PublicationREMOTE SENSING
Keywordon-board processing wind scatterometry real-time RETRIEVAL
AbstractReal-time (RT) ocean surface wind can make key improvements to disaster alarmingand safety of maritime navigation to avoid loss in property and human lives. Wind scatterometry is a well-acquainted way of obtaining good quality ocean surface winds, and it has been in application for decades. Existing wind-obtaining chains employ ground stations for receiving observations and can, at best, provide products in around 30 minutes for limited regions. In recent years, a satellite information-obtaining and transmission network is the new trend of Earth observation. In this research, on-board wind retrieval environment and procedures, which are different from traditional wind-obtaining chains, are proposed. First, the establishment of the on-board environment is instructed. Structures of each module are provided. The ground simulation system is been established based on this. After that, existing observing and processing routines of wind scatterometry are described, and then an on-board processing chain proposed and described. Modifications to existing satellite-ground chains are highlighted. The proposed method is validated in Level 0 data from the Chinese-French Oceanic SATellite (CFOSAT). Experiments indicate that the proposed on-board processing procedure can provide comparable results to ground-processed wind products. The root-mean-square error (RMSE) of wind speed for a track of data used in the experiment was about 0.26 m/s, and it was about 0.8 degrees for wind direction. By decreasing wind field result quality, calculation time can be lessened in the on-board environment. However, it is found that in the whole chain of on-board wind generation, the most time-consuming procedure is observation-obtaining. The proposed on-board processing method can achieve good wind accuracy while meeting RT applications with good processing time. This provides a good complement to existing on-board-observing-ground-processing chains for RT applications.
Indexed BySCI ; EI
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Key Lab Microwave Remote Sensing, Natl Space Sci Ctr, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100864, Peoples R China
3.Beijing Inst Technol, Beijing 10081, Peoples R China
Recommended Citation
GB/T 7714
Xu, Xingou,Dong, Xiaolong,Xie, Yu. On-Board Wind Scatterometry[J]. REMOTE SENSING,2020,12(7):1216.
APA Xu, Xingou,Dong, Xiaolong,&Xie, Yu.(2020).On-Board Wind Scatterometry.REMOTE SENSING,12(7),1216.
MLA Xu, Xingou,et al."On-Board Wind Scatterometry".REMOTE SENSING 12.7(2020):1216.
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