Through instrumental variable identification method, the single input single output difference equations and the Z transfer function were gotten.
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。
2
Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finite differencemethod.