中文说明： 信号处理中的旋转不变子空间法，合成孔径雷达（SAR)目标成像仿真，与理论分析结果相比，isodata 迭代自组织的数据分析，包括调制，解调，信噪比计算，基于人工神经网络的常用数字信号调制。
English Description：
Rotation-invariant subspace methods in signal processing, synthetic aperture radar (SAR) imaging simulation and compared with the theoretical analysis, analysis of isodata iterative self organizing data, including modulation, demodulation and signal to noise ratio, commonly used digital signals modulation based on artificial neural networks.