A Dynamic-Weighted Attenuation Memory Extended Kalman Filter Algorithm and Its Application in the Underwater Positioning

Table 4

R² table of single independent variable curve fitting.

	Forecast duration	Acceleration
Linear	0.275	0.01
	0.443	0.004
Logarithmic	0.61	0.001
	0.497	0.013
Inverse	0.625	0.013
	0.469	0.003
Secondary	0.298	0.008
	0.298	0.008
Three times	0.631	<0.001