基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。

Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.

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当用计算机模拟满足一定功率谱规律的离散数字随机信号时，通常是对伪随机白噪声离散数字信号进行数字滤波来模拟。

When the random processes that meet certain power spectra are simulated by digital filters to white noise, the step length of the filters affects response mean-square values and correlation functions.

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