Discrete Wavelet Transform-based Approach of Real-time Wave Filtering for Dynamic Positioning of Marine Vessels

<div>Four decomposed levels of surge motion in the wave direction of 180° with the sym6 wavelet: (a) levels 1–4 corresponding to approximation signal x<sub>a</sub> and (b) levels 1–4 corresponding to detailed signal x<sub>d</sub>.</div>

Mathematical Problems in Engineering

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Figure 6

Figure 6: Discrete Wavelet Transform-based Approach of Real-time Wave Filtering for Dynamic Positioning of Marine Vessels 