A calculating procedure for the time domain response of nonlinear system excited by multitone signals is presented by means of Volterra series and the theory of differential equation.

• 本文针对使用误差级数时存在的问题给出了误差级数使用条件,得到了误差级数使用条件与闭环传递函数极点和输入信号频率之间的直接关系。