The torque fluctuation on the higher speed shaft influences the rattling threshold speed more greatly than on the lower speed shaft.
低速端的扭矩波动对系统拍击门槛转速影响较小，而高速端的扭矩波动对拍击门槛转速影响较大；
A-operator method (AOM) is used to study the influence of the torque fluctuation and time-varying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)研究了扭矩波动和时变啮合刚度对拍击门槛转速的影响。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
该算法以低通滤波算法估计背景中的低频成分，及图像局部方差估计背景起伏，来计算出局部自适应的目标检测判决门限。
It is shown that the fluctuation of amplitude at the threshold of oscillation is much greater than that when the system is far from the threshold.
所得结果表明此类自振动系统在自激阈附近的振幅涨落比远离阈值时的涨落大很多。
Conservative strategy to adjust strategy means that price fluctuation has a threshold effect on resource allocation inefficiency.
“保守策略”向“调整策略”的转变意味着价格波动引起的资源的配置效率损失可能存在门阀效应。
Conservative strategy to adjust strategy means that price fluctuation has a threshold effect on resource allocation inefficiency.
“保守策略”向“调整策略”的转变意味着价格波动引起的资源的配置效率损失可能存在门阀效应。
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