However, the code resource is very limited for ZCW spreading codes and the complexity of joint detection is huge when the number of code channels takes large.
但二者都有一定局限性，对于零相关窗码来说，它的码字资源十分有限，对于联合检测来说，当用户数很大，它的复杂度不能容忍。
However, the code resource is very limited for ZCW spreading codes and the complexity of joint detection is huge when the number of code channels takes large.
但二者都有一定局限性，对于零相关窗码来说，它的码字资源十分有限，对于联合检测来说，当用户数很大，它的复杂度不能容忍。
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