Chaotic sequence is pseudo-random sequence. Therefore, it can better maximize the advantages of spread spectrum communication technology to replace the traditional spread-spectrum sequence with chaotic sequence.
所以用混沌序列替代传统扩频码可以更大限度地发挥扩频通信技术的优势。
参考来源 - 基于混沌扩频的水声通信技术研究First, we introduced the chaotic digital spread-spectrum sequence’s production method, the characteristic and the application performance, and made the PN characteristic simulation on the several kinds of chaotic spread-spectrum sequence produced by chaos mappings.
随后围绕着混沌数字扩频序列展开研究,系统地介绍了混沌二进制序列的产生方法、特点和应用性能。
参考来源 - 混沌扩频序列的性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.
其中直接序列扩频通信是目前使用最典型的扩频工作方式。
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。
The design of bit decision algorithm is a key technique for the DS spread spectrum sequence to be received correctly.
码元判决算法的设计是扩频序列能被正确接收的关键技术之一。
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