中文说明：
动圈式扬声器的非线性频响谐波失真模拟，代码包含非线性响应模拟、微分方程式数值求解、(Feedback control)参数非线性补偿代码。
English Description：
Nonlinear harmonic distortion simulation of dynamic loop speakers, including nonlinear response simulation, differential equation numerical solution, (Feedback control) parameter nonlinear compensation code.