动态电路全时域响应的求解

Solving Response of Dynamic Circuit in Whole Time Domain

在电路教材中对动态电路全响应的分析都是针对换路之后的电路模型列写电路方程,以换路结束的时刻为时间域的分析起点(一般为t=0+时刻),因此电路变量响应解的时间域为t≥0+。本文通过建立动态电路的全时域模型,采用时域分析法和傅里叶变换法求得电路响应的全时域解,为对电路进行进一步分析(如求电容电流、电感电压等)提供了方便。本文的讨论结果可供讲授电路课程的教师参考。

In present circuit textbooks, circuit model after commutation happens is applied to derive corre- sponding circuit equations and the scope of time domain of the circuit complete response is t≥0＋. This paper discusses the whole time domain solution by constructing circuit model with whole time domain. Time domain analysis and Fourier transform analysis are utilized to obtain the whole time domain solution. It is helpful for the teaching of circuit course.