基于CDMA技术，实现数字水印的嵌入与提取，具有嵌入容量大，抗干扰能力强的优点-Based on CDMA technology, the realization of digital watermark embedding and extraction with embedded large capacity, the advantages of anti-interference ability

多址干扰一直是造成cdma系统容量限制的重要原因,不错的 很好的-Multiple access interference has been the important cause of the cdma system capacity limits, good good