包括广义互相关函数GCC时延估计，毕业设计有用，音频信号通过LM386放大。- Including the generalized cross-correlation function GCC time delay estimation, Graduation useful LM386 audio signal amplification.

音频信号通过LM386放大，包括四元数的各种计算,D-S证据理论数据融合。- LM386 audio signal amplification, Including quaternion various calculations, D-S evidence theory data fusion.