On the Analysis of the Ship's Oscillations induced by Ocean Waves using Fourier Analyser

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  • フーリエ解析機による波浪・動揺の解析について(日本航海学会第24回講演会)
  • フーリエ解析機による波浪・動揺の解析について
  • フーリエ カイセキキ ニ ヨル ハロウ ドウヨウ ノ カイセキ ニ ツイテ

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Abstract

In their studies of ship's oscillations in a seaway, in order to analyse a large amount of data concernig ship's oscillations automatically in a short time, the authors used a Fourier Analyser, a kind of electronic analog computer, which was designed so work as in M.J. Tucker and T.B. Whiteley's way. A view of the whole apparatus and diagram illustrating the principle of the Fourier Analyser are shown in Photo.1 and Fig.2 respectively. By this apparatus, the spectra of ship's oscillations and wave heights were calculated on some examples which were discussed in the former paper by one of the authors. Results of the calculation are shown in Figs.8, 9, 10 and 11.

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