使用高积累量实现多载波和单载波信号在高斯白噪声信道下的区分，并仿真了不同信道比下的识别率。程序用函数模块化编写，可以直接调用。-The distinction between multi- carrier and single- carrier signals in Gaussian white noise channel is realized by using high accumulation, and the recognition rate of different channel r