qpsk在Rayleigh下的调制和解调，其中仿真了误码率，并和理论值进行了比较。-qpsk Rayleigh in the modulation and demodulation, the BER simulation. and the theoretical value and the comparison.

mimo系统仿真 bpsk调制 瑞利信道 得Eb/No-BER曲线-mimo system simulation bpsk Rayleigh channel modulation in Eb / No-BER curves