利用duffing振子检测微弱信号频率的matlab程序。可以检测与周期策动力频率相差0.03之内的微弱信号频率。信噪比达到-68db-use Duffing oscillator frequency detection of weak signals in Matlab procedures. Can be detected with the cycle driven frequency difference of 0.03 within the weak signal frequency.

关于duffing方程的源程序的matlab程序！-Duffing equation source matlab program!

matlab求解duffing系统最大Lyapunov指数(Solving the maximum lyapunov exponent)