Research Article

Noise Source Separation of an Internal Combustion Engine Based on a Single-Channel Algorithm

Table 5

The correlation coefficient.

IMFsCorrelation coefficient

IMF10.0787
IMF20.0676
IMF30.1034
IMF40.1225
IMF50.1227
IMF60.1426
IMF70.1741
IMF80.4235
IMF90.5181