(1) the DQPSK modulation and demodulation SIMULINK simulation model is established to evaluate the bit error rate performance under the AWGN channel and the Rayleigh fading channel (the bit error rate curve when the signal to noise ratio changes). (2) based on the (1) established SIMULINK simulation model, a real audio file is sent under the AWGN channel and the Rayleigh fading channel respectively, and it is played on the receiving end in real time.

Filename	Size	Update
DQPSK\bin.m	841	2017-07-06
DQPSK\dec.m	486	2017-07-06
DQPSK\fiveChannelGao.slx	20749	2017-07-06
DQPSK\fiveChannelGao.slx.autosave	16942	2017-07-07
DQPSK\fourChannelMusic.slx	20837	2017-07-06
DQPSK\oneGao.mdl	89848	2017-07-06
DQPSK\sixchannelRay.slx	20910	2017-07-06
DQPSK\Sound2.wav	1070388	2017-07-05
DQPSK\threeMusic.slx	19980	2017-07-06
DQPSK\twoRay.slx	21161	2017-07-06
DQPSK	0	2017-07-08

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