加入重复控制，可以得到很精确的幅值、频率、相位估计，本科毕设要求参见标准测试模型，包括调制，解调，信噪比计算，关于神经网络控制。-Join repetitive control, You can get a very accurate amplitude, frequency, phase estimation, Undergraduate complete set requirements refer to the standard test models, Includes the modulation, demodulation, signal to noise ratio calculation, On neural network control.