实现了对10个数字音的识别程序brPReIZ参数IMC-PID是利用内模控制原理来对PID参数进行计算，基于互功率谱的时延估计，旋转机械二维全息谱计算，XGnNnnj条件调试通过可以使用，预报误差法参数辨识-松弛的思想。- Realization of 10 digital audio recognition program brPReIZ parameter　The IMC- PID is using the internal model control principle for PID parameters is calculated, Based on the time delay estimation of power spectrum, Rotating machinery 2-d holographic spectrum calculation, XGnNnnj condition　Debugging can be used, Prediction Error Method for Parameter Identification- the idea of relaxation.