Through the probability density evolution method, the instantaneous probability density function of response of double random vibration systems is numerically obtained.
将股市上扬的天数转化为随机游程的长度，利用密度演化方法求得了股市上扬天数的分布以及均值和方差。
Through the probability density evolution method, the instantaneous probability density function of response of double random vibration systems is numerically obtained.
将股市上扬的天数转化为随机游程的长度，利用密度演化方法求得了股市上扬天数的分布以及均值和方差。
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