[Retracted] Research on Microseismic Source Location Method Based on Waveform Characteristics Monitored by Nanomaterial Sensor under the Background of Metal Oxide Polluted Environment

Table 2

Target localization results when the sensor distance is 3 m.

	TDOA-based positioning method				EMD-based delay estimation
Settings	1	3	6	9	1	3	6	9
Measurements	1.39	3.31	6.48	9.76	1.35	3.20	6.41	9.65
Error	0.39	0.31	0.48	0.76	0.35	0.20	0.41	0.65
Positioning accuracy	88.28%				93.65%