## Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 2American Society of Mechanical Engineers, 2006 - Arctic regions |

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Page 241

Furthermore , the instantaneous relative noise contribution was also

using the TVVAR coefficients and illustrated ... Moreover , it is confirmed that the

TVVAR modeling can

noise ...

Furthermore , the instantaneous relative noise contribution was also

**estimated**using the TVVAR coefficients and illustrated ... Moreover , it is confirmed that the

TVVAR modeling can

**estimate**the instantaneous cross spectra and relativenoise ...

Page 243

Invoking the Kalman filter methodology , the trend ( n ) can be

L = mx p + i - 1 and I denotes LxL identity matrix . Applying the recursive

computational Kalman filter to the state space model , TVVAR coefficients can be

...

Invoking the Kalman filter methodology , the trend ( n ) can be

**estimated**. whereL = mx p + i - 1 and I denotes LxL identity matrix . Applying the recursive

computational Kalman filter to the state space model , TVVAR coefficients can be

...

Page 245

5 Comparison of

spectra can be found at 0 . 22Hz in head seas , which is observed from 1000s to

1800s and from 2500s to 3150s . On the other hand , the peak exists at 0 . 1 Hz

from ...

5 Comparison of

**estimated**pitching spectra . The peak frequency of pitchingspectra can be found at 0 . 22Hz in head seas , which is observed from 1000s to

1800s and from 2500s to 3150s . On the other hand , the peak exists at 0 . 1 Hz

from ...

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amplitude analysis angle applied Arctic ASME bottom boundary calculated coefficient compared comparison components computed considered Copyright cylinder damping defined depth described determined developed direction distribution dynamic effect element energy Engineering equation estimated experimental experiments field Figure flow fluid force frequency function given higher horizontal hull hydrodynamic increase interaction International length lift force linear loads mass maximum mean measured Mechanics method motion nonlinear numerical observed obtained Ocean Offshore operation parameters performance period phase pile position potential prediction present pressure problem propeller range ratio reference relative Research respectively response roll scale ship shown shows significant simulation solution speed station strength stress structure surface Table tank temperature towed University values vehicle velocity vertical vessel wave height wind