几个常用的调制解调函数，包括bpsk，qpsk， 16qam，64qam-Some commonly used modulation and demodulation functions, including bpsk, qpsk, 16qam, 64qam

用MATLAB实现功能，根据索引值进行复数调制，可选调制方式有BPSK、QPSK、16QAM、64QAM-MATLAB function, according to the index values for complex modulation, can XuanDiao means has BPSK, QPSK, 16 qam, 64 qam