APPLICATION OF SPECTRAL METHOD IN THE ANALYSIS OF GAS RADON'S CYCLE
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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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Key words:
- spectral analysis /
- gas radon /
- digital filtering /
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