Research Article
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 (103) | Gaussian energy (103) | Impact energy (103) | Effective-Gaussian correlation coefficient | Effective-Impact correlation coefficient |
| The specified signal | 8.29 | 2.55 | 0.360 | ā0.0158 | 0.0102 | Wavelet filtering result | 6.79 | 6.89 | 0.7304 | Wavelet packet filtering result | 8.77 | 2.16 | ā0.0001 | Wavelet packet filtering error | 5.79% | 10% | 1% |
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