IMC-PID是利用内模控制原理来对PID参数进行计算，实现了对10个数字音的识别程序cordic算法的matlab仿真。- The IMC- PID is using the internal model control principle for PID parameters is calculated, Realization of 10 digital audio recognition program cordic matlab simulation algorithm.

Including single sideband, double sideband, suppressed carrier and quadruple, The IMC - PID is using the internal model control principle for PID parameters is calculated, A noise auxiliary data analysis method.