time-varying coefficient 随时间变化的系数 ; 时间变化系数
periodic time-varying coefficient 时变系数
Time-varying Coefficient of Autoregressive model 时变AR模型系数
time varying beta coefficient 时变贝塔系数
time-varying structure coefficient 时变结构系数
time-varying diffusion coefficient 时变扩散系数
time-varying correlation coefficient 时变相关系数
Time-Varying Acceleration Coefficient PSO 时变加速常数粒子群优化
The results showed that the change of time-varying parameters (coefficient) in dynamic AR model has a regularity. Its increments are piled up by some simple period functions.
结果表明，动态自回归模型时变参数（时变系数）的变化是有规律的，其增量大体上是一些简单周期函数的叠加。
The time-varying and incommutable character of the coefficient matrix of periodically time-varying linear systems are the bottleneck of the design for high precision direct integration methods.
周期时变线性系统系数矩阵的时变性与不可交换性是其精细积分算法设计中的瓶颈。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
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