提出了一种基于二维短时傅里叶变换的干涉相位图解缠方法。
A two-dimensional phase unwrapping approach based on two-dimensional windowed Fourier transform (WFT) is proposed.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
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