Fixed step size can not result in fast convergence speed and low residual error simultaneously.

固定步长因子无法解决收敛速度和稳态误差之间的矛盾。

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There may be a singularity in the solution. If the model is correct, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances).

可能在求解的过程中出现奇异，你可以试着把仿真步长降低，再试试。

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There are some disadvantages in conventional analog synchronizer such as fixed error threshold and fixed step size.

针对这些弊端 ，在传统模拟型同步环结构的基础上 ，提出了一种新的数字型设计方案。

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