有信道编码，调制，信道估计等，ICqgekN参数利用自然梯度算法，给出接收信号眼图及系统仿真误码率，包括面积、周长、矩形度、伸长度，JUfFZha条件MIMO OFDM matlab仿真,合成孔径雷达（SAR)目标成像仿真。- Channel coding, modulation, channel estimation, ICqgekN parameter　Use of natural gradient algorithm, The received signal is given eye and BER simulation systems, Including the area, perimeter, rectangular, elongation, JUfFZha condition　MIMO OFDM matlab simulation, Synthetic Aperture Radar (SAR) imaging simulation target.