Simulation experiments show that the chaos detection system is very sensitive to weak signal and have strong constraint to any colored noise with zero mean value.
仿真实验表明该混沌检测系统对小信号非常敏感，对任何零均值色噪声均具有极强的抑制能力。
Vibrational control is referred to the effect of changing the properties of dynamic systems caused by introduction of high_frequency vibrations with zero mean value.
振荡控制是指通过引入零均值的高频振荡信号来改善系统动态特性的方法。
When the mean of random variables is zero, the solution is shown to reduce a known result for the value of the integral over the first quadrant.
当随机变量的均值为零时，这个解在第一象限上的积分值可简化为一个已知的结论。
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