这些滤波器能够很好地分解出信号的瞬时频率成分，它们成为第9章将介绍的短时傅里叶变换（Short Time Fourier Transform，STFT）和盖博变换（GT）的理论基础。
基于4个网页-相关网页
传统的短时傅里叶变换 STFT ; Short-time Fourier transform
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.
提出了一种结合经验模态分解（EMD）和自适应短时傅里叶变换（STFT）的铁路货车滚动轴承故障诊断方法。
In this paper, a freight car rolling element bearings fault diagnosis method based on Empirical Mode Decomposition(EMD) and adaptive short_time Fourier transform(STFT) is proposed.
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.
应用推荐