Gas Concentration Monitoring Prewarning Based on Adaptive Prediction and Feature Extraction

Table 1

Phase space parameters and prediction effectiveness.

Parameters	IMF
	imf1		imf2		imf3		imf4		imf5		imf6		imf7
	m	τ	m	τ	m	τ	m	τ	m	τ	m	τ	m	τ
Theorized parameters	11	5	8	5	8	4	8	4	8	3	6	1	6	1
	0.3		0.5		1.4		0.5		1		0.1		1.2
	0.24		0.56		0.78		0.45		0.12		0.09		0.67
Prediction effectiveness	0.52		0.57		0.61		0.68		0.81		0.92		0.92
Optimization parameters	8	2	7	4	7	3	7	3	7	2	6	1	6	1
	0.3		3		1		0.7		2		1		0.6
	0.05		0.79		0.54		0.57		0.62		0.32		0.73
Prediction effectiveness	0.70		0.85		0.88		0.93		0.95		0.98		0.99