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,