插值与拟合，解方程，数据分析，非归零型差分相位调制信号建模与仿真分析 ，可以实现模式识别领域的数据的分类及回归，IDW距离反比加权方法，保证准确无误，是学习通信的好帮手，利用自然梯度算法，抑制载波型差分相位调制，预报误差法参数辨识-松弛的思想。- Interpolation and fitting, solution of equations, data analysis, NRZ type differential phase modulation signal modeling and simulation analysis, You can achieve data classification and regression pattern recognition, IDW inverse distance weighting method, Ensure accurate communication is learning a good helper, Use of natural gradient algorithm, Suppressed carrier type differential phase modulation, Prediction Error Method for Parameter Identification- the idea of relaxation.