Acoustical Source Tracing Using Independent Component Analysis and Correlation Analysis

Table 1

The test parameters of the measuring system.

Parameters	Values and units
Sound pressure sensors	6
HBM Gen2i data acquisition system	1
Test bed with shell structure	1
Sampling frequency	10240 Hz
Sampling length	10 seconds
Rotational speed of motor	1800 r/min (20 Hz)
Frequency of Loudspeaker I	1750 Hz
Frequencies of Loudspeaker II	500, 1700, and 2000 Hz