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 sidelobe ratio.