IVMDIn Veritas Medical Diagnostics
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Combining the advantages of IVMD and TEO, a time-frequency analysis method named IVMD-TEO is proposed in this paper.
2) Decompose the original signal (multicomposition) into a number of monocompositions (K IMFs) by IVMD method adaptively.
First, x(t) is decomposed by the IVMD algorithm, and seven IMFs are extracted and shown in Figure 3.
Seven IMFs obtained by IVMD for slight rub-impact signal are shown in Figure 8.
Six IMFs analyzed by IVMD to initial oil-whirl signal are shown in Figure 12.