包含位置式PID算法、积分分离式PID，包含优化类的几个简单示例程序，有信道编码，调制，信道估计等，是信号处理的基础，包括回归分析和概率统计。- It contains positional PID algorithm, integral separate PID, Optimization class contains several simple sample programs, Channel coding, modulation, channel estimation, Is the b