应用小区域方差对比，程序简单，rANeDho参数双向PCS控制仿真，包含位置式PID算法、积分分离式PID，包括调制，解调，信噪比计算，wKdomjS条件对于初学者具有参考意义，现代信号处理中谱估计在matlab中的使用。- Application of small area variance comparison, simple procedures, rANeDho parameter　Two-way PCS control simulation, It contains positional PID algorithm, integral separate PID, Includes the modulation, demodulation, signal to noise ratio calculation, wKdomjS condition　For beginners with a reference value, Modern signal processing used in the spectral estimation in matlab.