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

Table 3

Moderate 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		0.2601	0.0183	0.0924	16.24
		0.0852		0.0235	5.320
2		0.2582	0.0186	0.0928	16.12
		0.0817		0.0235	5.101
3		0.2570	0.0186	0.0926	16.05
		0.0818		0.0235	5.107
4		0.2574	0.0184	0.0921	16.07
		0.0881		0.0235	5.500