本文提出了一种新的识别方法通过建立一个联合 delay-cyclic频率特性决定功能,利用二阶循环的不同特点 累积量的正交频分复用(OFDM)信号和单载波线性数字调制 (SCLD)信号,延时域和循环频率域。-This paper presents a new recognition approach through establishing a joint delay-cyclic frequency feature decision function, which exploi