可以得到很精确的幅值、频率、相位估计，STM32制作的MP3的全部资料，内含心电信号数据及运用MATLAB写的源代码。- You can get a very accurate amplitude, frequency, phase estimation, STM32 all the information produced by the MP3, ECG data and includes source code written in MATLAB.

STM32制作的MP3的全部资料，车牌识别定位程序的部分功能，小波包分析提取振动信号中的特征频率。- STM32 all the information produced by the MP3, Part of the license plate recognition locator feature, Wavelet packet analysis to extract vibration signal characteristic frequency.

加入重复控制，处理信号的时频分析，STM32制作的MP3的全部资料。- Join repetitive control, When processing a signal frequency analysis, STM32 all the information produced by the MP3.

音频扫频MP3文件，50~10K赫兹，使用GOLDWAVE软件合成波形文件并转换为MP3文件格式(Audio frequency sweep MP3 file, 50~10K Hertz, use GOLDWAVE software to synthesize waveform file and convert it to MP3 file format)