An Integrated Denoising Method for Sensor Mixed Noises Based on Wavelet Packet Transform and Energy-Correlation Analysis

Table 2

The denoising effects comparison.

Objects	Effective energy; (10^3)	Gaussian energy; (10^3)	Impact energy; (10^3)	Effective-Gaussian; correlation coefficient	Effective-Impact; correlation coefficient
The specified signal	8.29	2.55	0.360	−0.0158	0.0102
Wavelet filtering result	6.79	6.89		0.7304
Wavelet packet filtering result	8.77	2.16		−0.0001
Wavelet packet filtering error	5.79%	10%		1%