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基于伴随理论的Spread-F最优初值扰动提取研究及数值模拟

DOI: 10.11728/cjss2014.06.815, PP. 815-821

Keywords: 伴随理论,电离层Spread-F,初始扰动,数值模拟

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Abstract:

通过讨论Spread-F扰动初值对于研究R-T不稳定性的必要性,分析初值扰动提取在人工诱导电离层方面的重要作用,首次提出了应用伴随理论将电离层不稳定性基本方程与Spread-F观测资料相结合提取其扰动初值的方法.推导了电离层不稳定性方程的伴随模式并进行数值模拟实验,结果表明电离层不稳定性方程能够较好描述Spread-F的发展过程;伴随模式在利用不同迭代初值以及不同时刻观测资料进行反演时,均能得到较为理想的结果,表明利用伴随模式反演电离层Spread-F初始扰动是可行的.

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