By means of computer simulations and the theories analysis,the features of ASK,FSK and PSK are extracted. At the end,a modulation recognition algorithm and the results of computer simulations are given.

• 本文把Gabor变换引入到了数字通信信号调制盲识别领域,对ASK、FSK和PSK信号的Gabor变换域特征进行了理论分析和软件仿真,最后给出了识别算法和仿真结果。