Abstract
How to obverse the far ultraviolet (FUV) dayglow emission from space in remote sensing was explored to provide a method for monitoring of the upper atmosphere. On the basis of data processing for observation signals of payloads on the meteorological satellite FY-3, an O/N2 retrieval method by use of the Lyman-Birge-Hopfield (LBH) band in the range of 140-180 nm and the OI 135.6 nm dayglow emissions was researched. By analysis of the characteristics of 140-180 nm and the OI 135.6 nm dayglow emissions, it proves that the 135.6/LBH is correlated with solar activity. Then, the effects of the solar activity on the O/N2 retrieval curves were investigated, and the results show that there are large deviations between the retrieval curves with different solar activities, so the solar activity effect must be removed in the O/N2 retrieval method. This work provides a solid basis for the development of the O/N2 retrieval method prepared for data processing of instruments on FY-3.
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