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本文基于旋转正交法的思想提出了新的同步ＣＤＭＡ次优化多用户检测技术，它降低了接收器的检测运算量，克服了其他同类型检测器在运算中不收敛以及重复选点而降低检测运算效率等问题，并且降低了检测误码率，新的次优化检测器还能根据信号环境及检测概率预先设置它的运算次数．
In this paper, we propose a new synchronous sub-optimal CDMA multi-user detection technique based on the idea of rotating orthogonal method, which reduces the computational complexity of the receiver and overcomes the problem that other detectors of the same type do not converge during operation, Computing efficiency and other issues, and reduce the detection error rate, the new sub-optimal detector can detect the probability of the signal environment and its pre-set number of operations.