不同供电方式对测震波形记录影响的对比分析

Effect of Different Power Supply Systems on Seismic Waveform Records

使用同一套测震设备,计算不同供电方式下电源输出信号的自噪声功率谱密度,分析测震专业设备记录波形与电源输出信号之间的相关性,得到了不同电源输出信号的噪声特征,量化了测震专业设备记录波形与电源供电输出信号的关联关系。试验证明,供电方式的改变可以为提高波形记录质量起到很好的作用。

By analyzing the waveform recorded by the same seismological observatory equipment based on different power supply systems, we calculate the self-noise power spectrum density of the signal outputted by the power supply systems and analyze the interdependency between the waveform recorded by the same seismological observatory equipment and the signal outputted by the power supply systems. We get the character of the signal outputted by different power supply systems and quantify the relationship between the waveform recorded by the same seismological observatory equipment and the signal outputted by the power supply systems. The result of the experiment shows that the change of power supply system can im- prove the quality of waveform record.