音频信号通过LM386放大，包含CV、CA、Single、当前、恒转弯速率、转弯模型，直线阵采用切比学夫加权控制主旁瓣比。- LM386 audio signal amplification, It contains CV, CA, Single, current, constant turn rate, turning model, Linear array using cut than learning laid upon the right control of the main side