| 重力潮汐观测资料的改正和异常背景值的显示问题 |
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| 引用本文： | 李瑞浩,傅永好.重力潮汐观测资料的改正和异常背景值的显示问题[J].地震学报,1991,13(2):259-269. |
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| 作者姓名： | 李瑞浩 傅永好 |
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| 作者单位： | 1. 中国武汉 430071 国家地震局地震研究所
2. 中国昆明 650041 云南省地震局 |
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| 摘 要： | 本文系统地研究了重力潮汐观测的改正和作为地震预报研究的异常背景值的显示问题.文章讨论了仪器弹性系统流变模型改正和惯性改正以及海洋潮汐等的资料精确化问题和气压、地下水等对重力潮汐观测的影响,并给出了相应的结果.文章还讨论了台站重力测量中非潮汐信息的提取问题,从理论上论证并对比了几种滤波器的实质.
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| 关 键 词： | 重力潮汐 资料精确化 显示异常 |
ON THE CORRECTION TO OBSERVATION OF GRAVITY TIDES AND THE INDICATION OF GRAVITY ANOMALY |
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| Affiliation: | 1. Institute of Seismology, State Seismological Bureau, Wuhan 430071, China;
2. Seismological Bureau of Yunnan Province, Kunming 650041, China |
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| Abstract: | The problems of correcting gravity tidal observations and indication of gravity anomalies used in earthquake prediction in China are systematically studied in this paper. The correc-ton problems of the theological model of the instrument, inertia of the earth and the effects of the ocean loading, air pressure, underground water on gravity tadal recording data are also discussed in detail, the related results are also given in the paper. The problem of indicating non-tidal information in stational gravity data is discussed. The perporties of several different data processing filters are compared from the theoretical point of view. |
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