The theoretical analysis shows that the chaotic sequences serve as spreading codes for A-CDMA.
理论分析表明，该混沌序列具有较理想的A -CD MA扩频码性能。
Blind multiuser detection technology can detect the exptected user with only needing the spreading codes and without train sequences and without information of users.
然而频繁的发送训练序列严重制约了多用户检测技术的实时性和实用性；
Blind multiuser detection technology can detect the exptected user with only needing the spreading codes and without train sequences and without information of users.
然而频繁的发送训练序列严重制约了多用户检测技术的实时性和实用性；
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