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利用SOHO/SEM在1996—2008年的太阳EUV观测数据,比较和评估F10.7和MgII作为EUV代理参数的代表性,不能支持Viereck等关于Mg II是比F10.7更好的代理参数的结论.通过比较对两种参数的多种回归计算结果,确立双因子极大似然估计方法构建EUV计算模式,通过模型计算结果与SEM观测数据比较,表明该模型能够很好地重建EUV数据系列.利用该模式,构建了1978年11月以来的太阳极紫外辐射数据序列.
Using the SOHO / SEM solar EUV observations from 1996 to 2008, comparing and evaluating the representativeness of F10.7 and MgII as EUV proxy parameters can not support Viereck et al.’s conclusion that Mg II is a better proxy than F10.7 By comparing multiple regression results of two parameters, a two - factor maximum likelihood estimation method was established to construct the EUV calculation mode. The results of the model comparison with the SEM observation data show that the model can reconstruct the EUV data series well. Using this model, we have constructed a data series of solar EUV radiation since November 1978.