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- 功率谱密度的仿真,以matlab软件为基础,实现了多种谱密度的变换-Simulation of the power spectral density
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- 道床加速度时程曲线。功率谱密度函数 图。1/3倍频程Z振级频谱图。道床Z振级VLz(dB)。(Acceleration time history curve of ballast. Power spectral density function. Frequency spectrum of 1 / 3 octave Z vibration level. Ballast Z vibration level vlz (DB).)