OFDM信道估计程序。 该程序包可生成OFDM信号，可显示经衰落信道变化后的OFDM信号波形，且给出了LS，LMMSE多种信道估计算法。-OFDM channel estimation procedure. The package can generate OFDM signals can be displayed by the fading channel changes of OFDM signal waveforms, and gives the LS, LMMSE channel e