关键词 随机振动 圆板 磁弹性 功率谱密度函数 [gap=801]Key words Random vibration; Circular plate; Magneto-elasticity; Power spectral density function
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Auto-power spectral density function 自功率谱密度函数
cross-power spectral density function 互功率谱密度函数
probabilistic power spectral density function 概率谱密度函数
self-power spectral density function 自功率谱密度函数
The matrix of power spectral density function of fluctuating wind load is established first.
首先建立了脉动风荷载的功率谱密度函数矩阵。
The random rail roughness samples are yielded using random numerical method and power spectral density function.
采用随机数值模拟方法和功率谱密度函数生成随机轨道粗糙度。
The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.
地面运动加速度功率谱模型为零均值的平稳高斯过程，描述为过滤白噪声施加于支撑各点。
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