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由5个国际超导重力仪台站资料检测到的秘鲁8.2级大地震所激发的球型自由振荡现象 被引量:38

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摘要 综合分析了国际上5个超导重力仪台站所观测到的6组资料,利用资料迭积的傅氏分析和最大熵谱分析检测到地球自由振荡谱,并准确获得了。0S0~0S48的全部振型.将检测结果与以前3组模型及3组观测结果进行比较,观测到秘鲁地震与阿拉斯加地震激发的。0S2振型周期的差异,有可能反映了地球内核各向异性.另外,在分析1S2振型谱线分裂时,发现自转方向和逆自转方向上的谱线分裂不对称因子之间存在较大差异.
出处 《中国科学(D辑)》 CSCD 北大核心 2004年第5期483-491,共9页 Science in China(Series D)
基金 国家自然科学基金(批准号:40074018 40374029) 中国科学院知识创新工程方向性项目(批准号:KZCX3-SW-131) 中国科学院百人计划 国家科学技术部国际重点合作项目(批准号:2002CB713904)联合资助
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参考文献35

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二级参考文献40

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