Application of Boundary Local Feature Scale Adaptive Matching Extension EMD Endpoint Effect Suppression Method in Blasting Seismic Wave Signal Processing

Table 1

Evaluation index of the endpoint effect suppression method.

Evaluating indicator		Boundary local feature scale adaptive matching extension method	Extremum extension method	Polynomial fitting method
rxy	IMF1	0.9981	0.8969	0.8084
	IMF2	0.9979	0.9384	0.7603
	IMF3	0.9926	0.6837	0.6051
Dsde	IMF1	0.0081	0.2095	0.2438
	IMF2	0.0078	0.1563	0.2763
	IMF3	0.0091	0.3319	0.3919