Rapid Identification of Atmospheric Gaseous Pollutants Using Fourier-Transform Infrared Spectroscopy Combined with Independent Component Analysis

Table 2

Results of peak searching.

No. of input spectra	No. of separated spectra	Position of the first peak (cm^−1)	Position of the second peak (cm^−1)	Potential corresponding gas
1	1	729	—	C2H2
	2	3017	1306	CH4
	3	949	—	C2H4
	4	1066	2989	C2H5OH
2	1	3016	948	C2H5OH, C2H4
	2	949	—	C2H4
	3	3017	1306	CH4
	4	729	—	C2H2
3	1	729	—	C2H2
	2	3017	1306	CH4
	3	1066	2989	C2H5OH
	4	949	—	C2H4