写像関数により発生するカオス波形のFFT解析(G10-1 振動特性解析,G10 機械力学・計測制御部門)

概要

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The chaos wave calculated from a map function is added with the chaos wave shifting time step, and it has been shown that the frequency disappears by being dependent on 1/2 Hz from the FFT analysis of chaos wave. Its frequency distribution form agrees with it of the standard chaos wave with increasing shifting number. The frequency of (1/2) × (1/n) × (odd number) which fades away, is increased in order, and the triangle frequency distribution is formed with respect to the frequency of (1/2) × (1/n) × (odd number) Where n is shifting number of time, and 2n is period. As described above, it is possible to take out the period component which is included in the chaos wave, and as the natural number are composed by even number and odd number, it is also found that all natural numbers are included in the chaos wave.
2004-09-04