合成孔径雷达（SAR)目标成像仿真，LCMV优化设计阵列处理信号，通过matlab代码，已调制信号计算其普相关密度，利用自然梯度算法，包括调制，解调，信噪比计算。- Synthetic Aperture Radar (SAR) imaging simulation target, LCMV optimization design array signal processing, By matlab code, Modulated signals to calculate its density Pu-related, Use of natural gradient algorithm, Includes the modulation, demodulation, signal to noise ratio calculation.