Heave Motion Measurement by Adaptive Filter Based on Longuet-Higgins Wave Model

Table 4

Slight sea test.

Simulation number	Cutoff frequency	Maximum value of absolute error (m)	Average value of errors (m)	Standard deviation of errors (m)	Error ratio (%)
1		0.2387	0.0185	0.0915	39.76
		0.0600		0.0134	9.993
2		0.2354	0.0182	0.0909	39.21
		0.0557		0.0134	9.277
3		0.2355	0.0185	0.0910	39.22
		0.0548		0.0134	9.127
4		0.2370	0.0184	0.0914	39.47
		0.0583		0.0134	9.710