Joint time frequency analysis method is a powerful tool for study of this kind of signal.
联合时频分析的方法是研究这类信号的有力工具。
Therefore, the deposition cycles and track sequence interfaces distinguished by 3d wavelet time frequency analysis method can be used to determine reservoir areas.
利用小波三维时频分析方法划分的沉积旋回和物性变化规律可以进行层序界面追踪，并进一步确定储层范围。
Time frequency analysis method is used to analyze the time domain and frequency domain of seismic waves at the same time according to the principle of wavelet transformation.
时频分析方法是利用小波变换原理，从地震波的时间域和频率域同时对其作出分析。
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