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相角条件和幅值条件 根轨迹上的点必须满足相角条件和幅值条件： - 相角条件：∑j=1m∠(s−zj)−∑i=1n∠(s−pi)=(2k+1)πk=0,±1,±2,⋯\begin{gathered}\sum_{j=1}^m \angle\left(s-z_j\right)-\sum_{i=1}^n \angle\left(s-p_i\right)=(2 k+1) \pi \\k=0, \pm 1, \pm 2, \cdots\end{gathered} - 幅值条件：K^*=\frac{\prod_{i=1}^n\left|s-p_i\right|}{\prod_{j=1}^m\left|s-z_j\right|} Summary
| status | not learned | | measured difficulty | 37% [default] | | last interval [days] | |
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| repetition number in this series | 0 | | memorised on | | | scheduled repetition | |
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| scheduled repetition interval | | | last repetition or drill | | | | |
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