Research Article
A Dynamic-Weighted Attenuation Memory Extended Kalman Filter Algorithm and Its Application in the Underwater Positioning
Table 3
Pearson correlation coefficient table of canonical correlation analysis of attenuation coefficients.
| | Standard deviation of prediction error (m) | Standard deviation of observation error (m) | Forecast duration (min) | Acceleration (m/s2) | Ideal attenuation coefficient−1 |
| Standard deviation of prediction error (m) | 1 | −0.06 | −0.011 | −0.001 | <0.001 | Standard deviation of observation error (m) | −0.06 | 1 | −0.01 | −0.001 | 0.002 | Forecast duration (min) | −0.011 | −0.01 | 1 | 0 | −0.524 | Acceleration (m/s2) | −0.001 | −0.01 | 0 | 1 | 0.1 | Ideal attenuation coefficient−1 | 0 | 0.002 | −0.524 | 0.1 | 1 |
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