利用互相关分析和传递函数模型进行实时地震预报

Navid Rajabi, Omid Rajabi
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引用次数: 3

摘要

伊朗位于一个高地震潜力地区。本文提出了一种地震发生前的实时预报方法。我们提出的方法是基于无线传感器网络(WSN)感知数据的互相关计算,以及地震波在靠近震源位置和将要预测振动位置之间传播路径的传递函数(TF)计算。在长时间的连续监测中获得的信息已用于数学计算。这些信息被传送到主服务器以收集数据并存储起来,以便将来进行评估。我们表明,在不同的断层之间存在某种一致性,在一个区域释放能量可能导致另一个振动和地震。我们提出的工作流程包括两种算法:一种是学习算法,主要集中在前震时间的长期波形采集、信噪比增强、互相关计算,最后计算传递函数;另一种是预测算法,以震源周围的地震为输入,计算出地震输出波形,作为确定传递函数的输入。通过这种方法,我们提出了一种新的解决方案,即地震预警系统(EEWS)提供黄金时间,通过上述详细的过程可以保护人类的生命和减轻经济损失。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Real time earthquake prediction using cross-correlation analysis & transfer function model
IRAN is located in a region of high seismic potential. This paper presents a real-time method of predicting earthquake before its arrival. Our proposed method is based on cross-correlation calculation of data sensed by Wireless Sensor Network (WSN) as well as, Transfer Function (TF) calculation for the seismic wave propagation path between a location close to the hypo-center and the location where vibration is going to be predicted. The information which was obtained during a long period of continuous monitoring, have been used and deployed for mathematical calculations. This information was relayed to the main server to collect data and store it for future evaluations. We show that there is some consistency between discrepant faults in such a way that releasing energy in one area can lead to another vibration and quake. Our proposed working procedure consists of two algorithms first is named learning algorithm which concentrates on long-term waveform collection, Signal to Noise Ratio (SNR) enhancement, cross-correlation calculations, and finally transfer function calculation during foreshock time, and second is named Prediction Algorithm which calculates the seismic output waveform based on earthquake around hypo-center as input for already determined transfer function. By this approach, we have introduced a novel solution as Earthquake Early-Warning System (EEWS) gives golden time which can preserve human's life and mitigate economical loss by mentioned elaborated process.
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