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在储层极向预测中，频谱分析是一重要的方法，由于传统频谱分析方法的频率分辨率受信号长度的影响，因而应用受到限制。本文采用的Marple谱方法，对于短时窗的港分析具有较高的频率分辨率，在储层横向预测中取得了很好的效果。
Spectrum analysis is an important method in reservoir polarity prediction. Since the frequency resolution of traditional spectrum analysis methods is affected by the signal length, the application is limited. The Marple spectral method used in this paper has a high frequency resolution for short-time window port analysis and has achieved good results in reservoir lateral prediction.