This paper analyses the multiple access interference(MAI) resistance ability of traditional detector and decorrelating detector, and use the simulation to compare the traditional detector and decorrelating detector. The results show the decorrelating detector has more powerful properties than the conventional method in suppressing the MAI.% 本文分析多用户检测中传统多用户检测技术、解相关检测器多用户检测技术抗多址干扰的能力，并通过仿真对比传统检测器和解相关检测器受多址干扰的影响，仿真结果表明解相关检测器在抑制多址干扰方面的性能优于传统检测器。
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