Wavelet Denoising of Vehicle Platform Vibration Signal Based on Threshold Neural Network

Table 1

The optimal threshold in proposed thresholding method.

	Decomposition level	Optimal threshold
Low-frequency sine VPVS	1	1.51
	2	1.30
	3	1.21
High-frequency sine VPVS	1	2.57
	2	2.17
	3	1.75
Low-frequency sweep VPVS	1	1.78
	2	1.75
	3	1.58
High-frequency sweep VPVS	1	2.71
	2	2.19
	3	1.90