This is a very complete matlab simulation of pi/4dqpsk modulation and demodulation. The waveform diagram of each stage is given, and the bit error rate under Gao Si channel, constellation diagram and power spectrum are analyzed.

Filename	Size	Update
pi_4_DQPSK仿真实验源程序\AWGNChannel.m	302	2010-01-20
pi_4_DQPSK仿真实验源程序\CalcPhase.m	449	2010-01-20
pi_4_DQPSK仿真实验源程序\DQPSKDecoder.m	391	2010-01-20
pi_4_DQPSK仿真实验源程序\DQPSKEncoder.m	705	2010-01-20
pi_4_DQPSK仿真实验源程序\parallel_to_serial.asv	180	2010-01-20
pi_4_DQPSK仿真实验源程序\parallel_to_serial.m	223	2010-01-20
pi_4_DQPSK仿真实验源程序\pi_4_DQPSK.m	2079	2010-01-20
pi_4_DQPSK仿真实验源程序\ReceiveFilter.m	558	2010-01-20
pi_4_DQPSK仿真实验源程序\serial_to_parallel.m	181	2010-01-20
pi_4_DQPSK仿真实验源程序\SqRCFilter.m	382	2010-01-20
pi_4_DQPSK仿真实验源程序\SymbolToWaveform.m	340	2010-01-20
pi_4_DQPSK仿真实验源程序\TransmitFilter.m	448	2010-01-20
pi_4_DQPSK仿真实验源程序\WaveformToSymbol.m	168	2010-01-20
pi_4_DQPSK仿真实验源程序\仿真流程图.vsd	62976	2010-01-20
pi_4_DQPSK仿真实验源程序\仿真流程图及升余弦函数.doc	186368	2010-01-20
pi_4_DQPSK仿真实验源程序	0	2010-08-20

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