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Considering that its formation, 3GPP2 has introduced a variety of standards, including the CDMA2000 number of standards for 3G wi-fi conversation networks.码片同步 :指接收端的扩频码与发送端的扩频码在码片时序上的同步。这一过程需要解决码片时序的捕获和跟踪问题,通常采用滑动相关法、匹配