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本文就有关地磁 K 指数的数字化处理的几个问题作了分析计算研究。采用 MNOC 方法计算地磁场日变化,并用计算机处理得出的 K 指数与实测 K 指数进行了比较,结果表明,两者基本一致。本文还就 K 指数量算中的有关问题进行了讨论。
In this paper, several issues about the digitization of geomagnetic K-index are analyzed and calculated. The daily variation of geomagnetic field was calculated by MNOC method, and the K index calculated by computer processing was compared with the measured K index. The results show that the two are basically the same. This article also discusses the relevant issues in K-index calculation.