Shock Signal Trend Term Error Correction Method Based on Discrete Wavelet Transform and Low-Frequency Oscillator Combination

Table 3

Pearson correlation coefficients under different wavelet parameters.

Decomposition level	Vanishing moment
	dB 4	dB 5	dB 6	dB 7	dB 8	dB 9
2	0.7449	0.7540	0.7661	0.8422	0.813	0.7823
3	0.9175	0.9189	0.9208	0.9333	0.9273	0.9235
4	0.9335	0.9339	0.9344	0.9370	0.9359	0.9352
5	0.9398	0.9421	0.9448	0.9543	0.9507	0.9475
6	0.9841	0.9847	0.9851	0.9857	0.9852	0.9849
7	0.9983	0.9985	0.9990	0.9995	0.9989	0.9985
8	0.9813	0.9817	0.9819	0.9828	0.9824	0.9823
9	0.8495	0.8548	0.8501	0.8523	0.8515	0.8507