采用波束成形技术的BER计算，仿真图是速度、距离、幅度三维图像，ICA（主分量分析）算法和程序，已调制信号计算其普相关密度，独立成分分析算法降低原始数据噪声。-By applying the beam forming technology of BER FIG simulation speed, distance, amplitude three-dimensional image, ICA (Principal Component Analysis) algorithm and procedures, Modulated signals to calculate its density Pu-related, Independent component analysis algorithm reduces the raw data noise.