qpsk通信系统误码计算 System error Simulation Analysis between AWGN and Rayleigh channel -ber calcution in qpsk system

这个仿真程序用于实现DS-CDMA通信系统仿真,包含三种扩频码的选择，QPSK调制解调，瑞利信道衰落等。-The simulation program used to implement DS-CDMA communication system simulation, including the choice of three types of spreading codes, QPSK modulation and demodulation, Rayleigh fading channel a

qpsk 的调制模式的模拟 分别在AWGN和rayleigh 两种情况下的ber 性能-qpsk modulation mode simulation of the ber performance in AWGN and rayleigh two kinds of circumstances