实现串口的数据采集，有循环检测，周期性检测，BP神经网络用于函数拟合与模式识别，直线阵采用切比学夫加权控制主旁瓣比，GPS和INS组合导航程序，应用小区域方差对比，程序简单。- Achieve serial data acquisition, There are cycle detection, periodic testing, BP neural network function fitting and pattern recognition, Linear array using cut