21XX系列ARM程序\EX11-InterruptFIQ快速中断-ARM procedures 21XX Series EX11-InterruptFIQ rapid interruption

仿真比较4-QAM和4-FSK调制信号在RAYLEIGH衰落信道下的误符号率和误比特率性能-4-QAM and 4-FSK modulation signal simulation comparison in Rayleigh fading channel under the symbol error rate and bit error rate performance

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