采用辅助变量辨识方法辨识得到单输入单输出差分方程和Z传递函数。
Through instrumental variable identification method, the single input single output difference equations and the Z transfer function were gotten.
通过引进辅助变量的方法建立微分方程组的扩充系统。
This paper establishes an extended system of a system of differential equations by introducing some supplementary variables.
FDTD数值计算要采用增加辅助变量和相应的辅助差分方程的方法使FDTD迭代计算稳定。
In order to get FDTD iterative computation stable, FDTD numerical method should increase the subsidiary variable and the corresponding auxiliary difference equation.
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