On the basis of simulative theory, the achievements of some mathematic models about prime movers having been synthesized, the difference equations with which the computer can cope are obtained by using mathematic tools such as Laplace-Transform and Inverse Z-Transform.
在此基础上，综合了原动机仿真系统数学模型的已有成果，并运用拉氏变换、逆Z变换等数学工具，以仿真原理为依据，求取了便于计算机进行数值运算的差分方程。
参考来源 - 微机控制技术在原动机仿真系统中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
So the methods given in this paper can be used to get some simple inverse Z transform. The partial derivative method and deconvolution method are of practical use.
该文的方法适用于求取较为简单的二维逆z变换问题，尤以偏导数法和逆卷积法更具实际意义。
Because inverse Z transform in the case of 2 D is much more complicated than that in 1 D, which appears in 2 D convergent region or two variates factorization or teriable computations, etc.
二维逆Z变换远比一维情形复杂，表现在二维收敛域、二元因式分解、庞大的计算量等方面。
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