Table 1 The cosine distance of simulated shock signal and the decomposed signal
\(\alpha = 859, \, K = 4\) | \(\alpha { = }2000, \, K{ = }5\) | |
|---|---|---|
\(Dist\left( {s_{2} ,{\text{IMF}}s_{2} } \right)\) | 0.0284 | 0.0313 |
\(Dist\left( {s_{3} ,{\text{IMF}}s_{3} } \right)\) | 0.0081 | 0.0097 |