洛阳数字地震资料评比存在的问题与解决方法思考  

Research on the Problems and Solutions in Luoyang Seismic Station Digital Earthquake Data Processing

作　　者：王世昌[1] 刘学升 

机构地区：[1]洛阳地震台,河南洛阳471023 [2]郑州地震台,河南郑州450000

出　　处：《防灾技术高等专科学校学报》2005年第2期50-55,59,共7页Journal of College of Disaster Prevention Techniques

摘　　要：本文针对洛阳地震台数字地震资料分析的现状,研究了影响洛阳地震台数字地震分析质量的因素,主要包括:地震地质构造背景,数字、模拟地震记录的差异性和数字地震记录的信息复杂性,干扰背景,震级误差等。洛阳为弱震区,这种特殊的构造背景不易改变;可以研究数字地震记录的规律,提高震相的识别能力;设计了MATLAB滤波(数字信号处理)程序,在震相分析前首先过滤干扰信号;总结测量误差规律和震级校正系数,从而提高数字地震分析质量。This paper studies the factors affecting the digital seismic analysis in Luoyang Seismic Station according to the current situation of it. The main factors consist of the geological structure background, the difference and complication about earthquake digital record of and virtual reality, jam factors, errors of earthquake magnitude and so on. Luoyang is a small and weak earthquake area, and this special structure background is not easy to change. But we can study the laws of digital earthquake records, and improve the competence to identify earthquake magnitude. We can eliminate jam factors with filtration, sum up the laws of error in survey and the correction of coefficient of magnitude and then proceed to improve analytic quality.

关 键 词：数字地震 地球物理场 干扰因素 震级误差 校正 

分 类 号：P315.78[天文地球—地震学]