波形数据归一化操作，方便了波形数据处理研究工作

是个串口的数据采集界面程序，完成对采样数据的归一化处理和波形显示，适合现学现用。-Is a serial interface for data acquisition procedures, the completion of the sampling data, normalized, and waveform display, suitable for the current study is to use.

函数功能：对输入的三组数据进行归一化处理，处理之后进行保存-Function: make three sets of input data normalized and save after data process