hht变换，hht变换是利用经验模态来进行分解，从而进行信号分析。-HHT transform, hht transform is the use of empirical mode decomposition to carry out in order to carry out signal analysis.
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hht eemd.m ifndq.m extrema.m significance.m dist_value.m gsta.dat Tutorial for the HHT MATLAB.doc e5.doc
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