中文说明： 这是一个好用的频偏估计算法的matlab仿真程序,GPS和INS组合导航程序，能量熵的计算，BP神经网络的整个训练过程,包括轨道机动仿真、初轨计算,IDW距离反比加权方法。
English Description：
This is a frequency offset estimation algorithm for use of MATLAB simulation program, GPS and INS navigation procedures, energy calculation of entropy, BP neural network for the entire training process, including orbital maneuver simulation, preliminary orbit calculation, IDW inverse distance weighting.