数字通信调制信号模拟系统:MASK：2ASK，4ASK，8ASK

MPSK：2PSK、4PSK、8PSK

MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种

MQAM：16QAM、32QAM、64QAM、128QAM

OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM

-Digital communication modulation signal simulation system: MASK: 2ASK, 4ASK, 8ASK MPSK: 2PSK 4PSK 8PSK MFSK: 2FSK 4FSK 8FSK continuous phase the of CPFSK and the discrete phase DPFSK both MQAM: 16QAM, 32QAM, 64QAM, 128QAM OFDM: sub- carriers can be arbitrarily selected, and mapping methods are BPSK, QPSK, 4QAM, 16QAM, 32QAM, 64QAM