用基带等效的方式仿真16-QAM载波调制信号在AWGN信道下的误码率和误比特率，并理论相比较-16-QAM carrier modulation signal the AWGN channel bit error rate and bit error rate equivalent baseband simulation and theoretical comparison

在matlab环境下仿真比较4-QAM和4-fsk信号的调制在瑞丽信道的误比特率与误码率 多普勒频移100Hz-Comparison 4-QAM and simulation 4-fsk modulated signal and the bit error rate BER Ruili channel 100Hz Doppler shift