通过对单变量和多变量广义系统的分析,证明了能消除其脉冲模的反馈控制器应满足的条件.对单变量情形,无论是时域的还是频域的,本文所给出的条件是充要的;对多变量时域情形,给出的条件是充分的;在输入输出数目相等且等于系统所含脉冲模个数时,所给出的条件也是充要的. Through the analysis of univariate and multivariable systems, the conditions that can be satisfied by the feedback controller that can eliminate its impulsive modes are proved. For a univariate case, whether in the time domain or the frequency domain, the condition given in this paper is The necessary conditions are given for a multivariable time-domain case, and the conditions given when the number of inputs and outputs are equal and equal to the number of impulse modes contained in the system are also sufficient.