在地震数据处理中，频谱分析是不可缺少的重要环节。
The analysis of frequency spectrum is an important link in seismic data processing.
通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
经过数字滤波和频谱分析等技术， 由地震记录图中分离出了断层围陷波。
The fault zone trapped waves were separated from seismograms by numerical filtering and spectral analyzing.
频谱分析基础上的模型正演是评价地震资料品质特别是分辨率的重要方法。
Based on spectrum analysis, the modeling of geological model and log model is an effective approach to evaluate the quality of existed seismic data.
通过地震波的频谱分析，结合体系的动力失稳区间分析，可判断在某竖向地震作用下，串联体系并无发生失稳的可能。
Through the frequency spectrum analysis of earthquake waves and the dynamic instability regions analysis, the dynamic stability of serial system can be judged under a certain earthquake wave.
本文对火山区不同种类的地震波形运用小波分析和频谱分析的方法，希望能提取不同类型火山地震的一些频谱特征，确定火山地震的类型。
Here we used Wavelet and spectral analysis to different kind seismic waves in volcanic area, in order to pick up their spectral character and determine the type of these earthquakes.
地震记录的频谱分析表明，该震群为典型的火山构造类型地震。
The spectrum analysis shows that the earthquakes are typically volcanic tectonic earthquakes.
地震动是由于地震引起的地面运动，其时间历程函数表现为具有突变特征的非平稳随机过程，因此更适于利用小波变换进行频谱分析。
The ground motion time function is a kind of time serial signals, which is a highly varying and nonstationary randow procedure and fit for wavelet analysis.
首先对原始地震信号进行频谱分析，然后按其幅度谱对频率参数进行非均匀离散化。
Firstly, seismic signal is spectrum analyzed. After that, when the over-complete dictionary of atoms is being created, the selection of the frequency parameters refers to the spectrum analysis.
地震反射是典型的非平稳信号，地震谱分解实质上就是连续时频谱分析。
Seismic signal is a typical of non-stationary signal. Spectral decomposition in essence is a continuous time-frequency analysis of a seismic trace.
地震反射是典型的非平稳信号，地震谱分解实质上就是连续时频谱分析。
Seismic signal is a typical of non-stationary signal. Spectral decomposition in essence is a continuous time-frequency analysis of a seismic trace.
应用推荐