研究快时变OFDM信道估计的WSSUS模型的时变脉冲响应MATLAB仿真图，也是实现《Wireless Communications OverRapidly Time-Varying Channels (2011)>>中的脉冲响应仿真图源程序-Research of fast time-varying OFDM channel estimation WSSUS model the time-varying impulse response of the MATLAB simulati