Aiming at shortcomings of the present technologies, this paper offers a new intrusion-detection technology which is based on sequence of characteristic information syntax analysis.
针对滥用类入侵检测技术存在的不足，提出了基于特征信息序列语法分析的入侵检测技术。
Finally, making use of autocorrelation function characteristic of spread spectrum sequence, watermark information was detected. In the detection process, it is not requisite for initial carrier image.
最后利用扩频序列的自相关函数特征检测出水印信息，检测过程中不需要原始载体图像。
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