中文说明：外文资料里面的源代码，包括最小二乘法、SVM、神经网络、1_k近邻法,详细画出了时域和频域的相关图，包括轨道机动仿真、初轨计算,合成孔径雷达（SAR)目标成像仿真，music高阶谱分析算法。
English Description：
Foreign material inside the source code, including the least squares method, SVM, neural network, 1 K nearest neighbor method, detailed paintings out of the time domain and frequency domain correlation diagram, including orbital maneuver simulation, initial orbit determination, synthetic aperture radar (SAR) target imaging simulation, the music of higher order spectral analysis algorithm.