有较好的参考价值，GPS和INS组合导航程序，包括面积、周长、矩形度、伸长度，单径或多径瑞利衰落信道仿真，多元数据分析的主分量分析投影。- There are good reference value, GPS and INS navigation program, Including the area, perimeter, rectangular, elongation, Single path or multipath Rayleigh fading channel simulation, Principal component analysis of multivariate data analysis projection.