二阶电路衰减常数的估计及误差分析

Evaluating the Attenuation Constant of Second-Order Circuit and Error Analysis

在分析二阶电路激励和响应的基础上,针对其不同的阻尼状态分别进行了衰减常数的估计,并进行了仿真研究和实例分析.在此基础上给出了过阻尼状态时衰减常数的一个下限,对另外的阻尼状态也给出了近似分析和误差研究.结果表明:在大学物理和电工实验时,采用文中方法对衰减常数进行估计是可行的,具有一定的实用价值.

This paper evaluates the attenuation constant of three damping states on the basis of analyzing the system input and response. The lower limit of attenuation constant in over-dumped state is proposed by simulating and examples. The error analysis are shown in three damping states. The results show that it is feasible to evaluate the attenuation constant in physics and electrical engineering experiments and the method in this paper is useful.