讨论了对力传感器进行动态校准时输入力信号应满足的条件, 给出了三种常用的力传感器在动态标定时使用的力信号的频率特性和有效条件。 关键词: 输入力信号; L ap lace 变换; 幅频特性 Abstract: In th is paper w e discu ss the condit ion s w h ich the inpu t shou ld sat isfy in the dynam ic calib rat ion. The f requency respon se characterist ics and effect ive condit ion s of th ree k inds of typ ical dynam ic inpu t have been given. Key words: fo rce inpu t; L ap lace change; amp litude2f requency characterist ics