采用m序列替代随机序列作为扩频码，仿真其性能；完成了与随机序列扩频性能之间的比较；完成无线多径ISI信道建模，在ISI信道下，研究了m序列与golden序列抗ISI的仿真误码率比较-M sequence used as a substitute random sequence spreading code, simulation of its performance, the completion of the comparison between the performance of rand