关于非线性离散系统辨识，旋转机械二维全息谱计算，计算目标和海洋回波的功率谱密度。- Nonlinear discrete system identification, Rotating machinery 2-d holographic spectrum calculation, Calculating a target and ocean echo power spectral density.

保证准确无误，是学习通信的好帮手，计算目标和海洋回波的功率谱密度,包括轨道机动仿真、初轨计算。- Ensure accurate communication is learning a good helper, Calculating a target and ocean echo power spectral density, Including orbital maneuvering simulation, initial orbit calculation.

合成孔径雷达杂波回波图像，G0分布的PDF函数绘制，是G0分布族的一种，稍加改动可以用绘制其他分布类型的PDF曲线(Synthetic aperture radar clutter echo images, G0 distribution of the PDF function rendering, is a G0 distribution family, a little change, you can draw other distribution types of PDF curves)