中文说明：程序详尽的介绍了16进制QAM数字信号的调制解调技术，通过正交振幅调制的方式，实现两路并行的数据信息传递。
English Description：
The program introduces in detail the modulation and demodulation technology of the hexadecimal QAM digital signal, and realizes the two-way parallel data information transmission by means of orthogonal amplitude modulation.