李瑞华, 张海燕. 频谱分析方法在气氡周期分析中的应用[J]. 华北地震科学, 2008, 26(2): 40-44.
引用本文: 李瑞华, 张海燕. 频谱分析方法在气氡周期分析中的应用[J]. 华北地震科学, 2008, 26(2): 40-44.
LI Rui-hua, ZHANG Hai-yan. APPLICATION OF SPECTRAL METHOD IN THE ANALYSIS OF GAS RADON'S CYCLE[J]. North China Earthquake Sciences, 2008, 26(2): 40-44.
Citation: LI Rui-hua, ZHANG Hai-yan. APPLICATION OF SPECTRAL METHOD IN THE ANALYSIS OF GAS RADON'S CYCLE[J]. North China Earthquake Sciences, 2008, 26(2): 40-44.

频谱分析方法在气氡周期分析中的应用

APPLICATION OF SPECTRAL METHOD IN THE ANALYSIS OF GAS RADON'S CYCLE

  • 摘要: 利用数字信号处理的相关理论与方法,对聊古1井两年的气氡逐时值数据进行适当的滤波处理,用频谱分析的方法提取潜在周期信息。结果表明:聊古1井气氡数据除明显的年周期外,还存在12小时、24小时的短周期效应和1~2个月的中长周期波动。说明数字信号处理技术对地震前兆数据处理有很好效果和应用前景。

     

    Abstract: Based on digital signal processing method, the gas radon data of Liaogu-1 Well in recent two years are filtered, and its potential cycle is picked up with spectral analysis.The results show:besides the annual cycle, there are a 12 and a 24 hour short cycle and a 1~2 month moderate long cycle in the data.It indicates that digital signal processing technology is useful in the precessing of seismic precursory data.

     

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