关闭OFDM信号子载波，画出OFDM信号频谱图，查看旁瓣泄露情况-Close OFDM signal sub-carrier OFDM signal spectrum plot, view the situation sidelobe leakage

包括单边带、双边带、载波抑制及四倍频,ML法能够很好的估计信号的信噪比,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块。- Including single sideband, double sideband, suppressed carrier and quadruple, ML estimation method can be a good signal to noise ratio, ofdm system simulation including 16qam modul

可实现OFDM电力载波通信的前导序列检测，能进行连续多个前导检测-Can achieve OFDM power carrier communication leading sequence detection, can carry out a number of continuous preamble detection