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https://journal.hep.com.cn/jocsu/EN/10.1007/s11771-021-4734-6 AE waveform characteristics of rock mass under uniaxial loading based on Hilbert-Huang transform Acoustic Emission (AE) waveforms contain information on microscopic structural features that can be related with damage of coal rock masses. In this paper, the... hilbert huang transform based on waveform characteristics rock https://pure.hud.ac.uk/en/publications/interpretation-of-mechanical-signals-using-an-improved-hilbert-hu/ Interpretation of mechanical signals using an improved Hilbert-Huang transform - University of... hilbert huang transform interpretation mechanical signals using