The ownership prover insert the watermark into the host signal using symmetric watermark technology based on spread spectrum.
所有权证明者采用基于扩频的对称水印技术，在宿主信号中嵌入水印；
Secondly, calculate the grey correlation degree between the host video blocks, select the blocks with smallest correlation degree, then perform uniform spectrum process on the embedded region;
其次，利用灰关联计算宿主视频块之间的关联度，选择关联度最小的块作为水印嵌入位置，对嵌入区域进行均匀谱处理；
Host recognition of insect is the result of perception of the chemical spectrum which constructed from definite chemical components and ratios.
昆虫对寄主植物的识别是由于识别了植物气味的由一定组分、按照严格比例组成的化学指纹图。
Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.
算法将原始水印利用扩频通信技术生成能够直接嵌入的水印信息；
Host: Let's go to the other end of the4 spectrum. Are there any colleges that you found that did it well?
主持人：那我们来看看事情的另一头吧。你有没有发现一些学校的拒绝信写得不错的？
Host: Let's go to the other end of the4 spectrum. Are there any colleges that you found that did it well?
主持人：那我们来看看事情的另一头吧。你有没有发现一些学校的拒绝信写得不错的？
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