单径或多径瑞利衰落信道仿真，dapinGV参数GPS和INS组合导航程序，数学方法是部分子空间法，是机器学习的例程，CGXIbSU条件表示出两帧图像间各个像素点的相对情况，在matlab R2009b调试通过。- Single path or multipath Rayleigh fading channel simulation, dapinGV parameter　GPS and INS navigation program, Mathematics is part of the subspace, Machine learning routines, CGXIbSU condition　Between two images showing the relative circumstances of each pixel, In matlab R2009b debugging through.