基于kaiser窗的双谱线插值FFT谐波分析，音频信号通过LM386放大，课程设计时编写的matlab程序代码。- Dual-line interpolation FFT harmonic analysis kaiser windows, LM386 audio signal amplification, Course designed to prepare the matlab program code.

主要是基于mtlab的程序，音频信号通过LM386放大，gmcalab 快速广义的形态分量分析。- Mainly based on the mtlab procedures, LM386 audio signal amplification, gmcalab fast generalized form component analysis.