音频信号通过LM386放大，中介真值程度度量，基于中介真值程度度量的图像分割非归零型差分相位调制信号建模与仿真分析 。- LM386 audio signal amplification, The true extent of the value of the intermediary measure, measure the true extent of the agency based on the value of image segmentation NRZ type different