单用户多载波时频域联合cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。-Single-user multi-carrier cdma joint time-frequency domain spread spectrum simulation, the use of programming. Send contain,