Not consider multi-path interference at the white Gaussian noise and Rayleigh fading channel under the conditions of the QPSK modulation and demodulation process and the use of quasi-analysis method to complete the calculation of BER. The simulation process includes the middle class into a simulation signal, filter settings, QPSK modulation, by adding Gaussian white noise, through the sharp decline in channel, QPSK demodulation, bit error rate calculation and other parts

05041053
........\作业报告.doc
........\程序
........\....\comb.m
........\....\compconv.m
........\....\compoversamp.m
........\....\hrollfcoef.m
........\....\qpsk.m
........\....\qpskdemod.m
........\....\qpskmod.m
........\....\Rayleigh_channel.m

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