【摘要】 对南极长城站在１９９０年８月１６日至１９９０年１１月２０日的Ｐｉ２地磁脉动事件进行了分析研究，初步了解了南极长城站Ｐｉ２脉动的频次特征、频率特性和偏振特性，并对南极长城站Ｐｉ２脉动的激发机制做了一些理论探讨．更多还原

【Abstract】 In this paper Pi2 pulsation events at Great Wall station of Antarctica are analyzed from August 16,1990 to November 20,1990.Their characteristics eg occurrence frequency, frequency,and polarizations are reallied.The generation mechanism of Pi2 pulsations at Great Wall is studied theoretically.更多还原