在数学中经常要用到复变函数在极点邻域内展开的罗朗级数。
It is widely used to develop complex functions into Laurent series at the neighborhood of a pole.
文中首先建立宽带示波器系统的数学模型，然后应用主导极点的概念进行分析，最后给出关于示波器系统冲最的近以表达式。
Mathematical model of wide-band oscilloscope system is established. The analysis is based on the concept of the leading pole. An approximate expression of oscilloscope system is given.
通过建立倒立摆系统的数学模型，应用状态反馈控制配置系统极点设计倒立摆系统的控制器，实现其状态反馈，从而使倒立摆系统稳定工作。
The mathematical model of inverted pendulum system is built, and a controller is designed based on the pole placement method with full state feedback to make the inverted pendulum system work stably.
通过建立倒立摆系统的数学模型，应用状态反馈控制配置系统极点设计倒立摆系统的控制器，实现其状态反馈，从而使倒立摆系统稳定工作。
The mathematical model of inverted pendulum system is built, and a controller is designed based on the pole placement method with full state feedback to make the inverted pendulum system work stably.
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