基于MATLAB的形变数据处理与自动成图系统设计
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福建省地震局青年科技基金(Y201305);福建省地震局科研基金(SF201513)


Design of a Deformation Data Processing and Automatic Mapping System Based on MATLAB
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    摘要:

    为满足福建地区高采样率和大数据量的形变数据的准实时监测、批量化自动成图、分析和应急会商快速产出图片的需求,基于MATLAB平台研制开发一套形变数据处理与自动成图系统。系统遵循地震前兆数据库设计规范,对数据库信息、台站代码和测项分量等基础信息进行配置和管理;并采用JDBC数据库访问机制连接数据库。系统对出现缺数、突跳、超限和台阶等情况的数据进行预处理,同时集成了时频分析、小波分析、频谱分析等常用的形变数据分析处理方法。该系统实现对福建省形变观测台网重力仪、体应变仪、倾斜仪和伸缩仪等共计11台24套仪器资料的批量化处理与自动成图。系统模块清晰、可扩展、兼容性强,在无人值守情况下亦可实现全自动画图。该系统有效提高日常形变数据分析处理的效率,为地震应急会商提供支持。

    Abstract:

    In this paper, we present the EPDAPS system, which was originally dedicated to the data processing and automatic mapping of a borehole strain and gravity time series based on the MATLAB platform. EPDAPS follows the design code of the earthquake precursor database and configures and manages the basic information of the database, such as the database information, station code, and item components. The system can perform data pre-processing, and can also integrate many common deformation data analysis methods, including time-frequency analysis, wavelet analysis, and frequency spectrum analysis, among others. In this paper, we first describe the main frame structure of the system, and then we present the correcting tools dealing with raw data. Finally, we present an example of spectral analysis based on the software. In conclusion, it was found that the system had strong expansibility and compatibility; therefore, the efficiency of daily deformation data analysis and processing can be improved and thus provide powerful support to an earthquake emergency consultation.

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杨锦玲,王青平,关玉梅,洪旭瑜.基于MATLAB的形变数据处理与自动成图系统设计[J].地震工程学报,2017,39(S1):149-153,160. YANG Jinling, WANG Qingping, GUAN Yumei, Hong Xuyu. Design of a Deformation Data Processing and Automatic Mapping System Based on MATLAB[J]. China Earthquake Engineering Journal,2017,39(S1):149-153,160.

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  • 收稿日期:2016-10-24
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  • 在线发布日期: 2017-11-17