从而导出了油液阻尼器受指数型高斯色噪声外激励时的速度响应的概率密度函数。
The probability density function of velocity response of oleo damper excited by exponential colored Gaussian noise has been obtained.
油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。
The motion of plunger of oleo damper excited by colored Gaussian noise with exponential correlation time is governed by first order nonlinear differential equation.
“全球价值调查”称，从1981年到2007年间所做的全国抽样调查的数据显示，绝大多数受调查国家的幸福指数都有所上升。
Data from representative national surveys conducted from 1981 to 2007 show the happiness index rose in an overwhelming majority of nations studied, according to WVS.
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