定点形变数据可视化分析系统的研制及应用  

Development and application of visual analysis system for fixed-point deformation data

作　　者：侯跃伟 刘孝峰 杜存鹏 HOU Yuewei;LIU Xiaofeng;DU Cunpeng(Nanjing Earthquake Monitoring and Warning Center,Jiangsu Province 210008,China;The Seventh Institute of Geology and Mineral Exploration of Shandong Province,Linyi 276006,China;Shandong University of Science and Technology,Qingdao 266590,China)

机构地区：[1]南京市地震监测预警中心,江苏210008 [2]山东省第七地质矿产勘查院,临沂276006 [3]山东科技大学测绘科学与工程学院,青岛266590

出　　处：《地震地磁观测与研究》2023年第6期154-162,共9页Seismological and Geomagnetic Observation and Research

基　　金：江苏省地震局2021年青年科学基金课题(项目编号:202112)。

摘　　要：定点形变观测在地震监测预报中具有独特优势,其观测数据可以反映与地震的孕育、发生直接相关的应力-应变信息。在日常地震监测工作中,大量定点形变数据需要进行分析和处理,为简化此项工作,设计开发一套基于MATLAB GUI的定点形变可视化分析系统,提供常见时频分析处理方法,具备数据导入、预处理、时频分析及数据输出等功能,用户界面操作简捷,可以满足日常计算和分析需求。Fixed-point deformation observation has a unique advantage in earthquake monitoring and prediction,as its observation data can reflect the stress-strain information directly related to the preparation and occurrence of earthquakes.In the daily work of earthquake monitoring,a large amount of fixed-point deformation data needs to be analyzed and processed.In order to simplify this work,a visual analysis system for fixed-point deformation based on the MATLAB GUI is designed and developed,providing common time-frequency analysis and processing methods.It has functions including a data import module,a preprocessing module,a data output module and an image storage module.The user interface of the system is easy to operate and can meet the needs of daily calculation and analysis.

关 键 词：定点形变 数据分析 可视化 MATLAB GUI 

分 类 号：P315.7[天文地球—地震学]