提出了一种基于一维无限折叠混沌映射的直接扩谱序列构造方法。
This paper propose one method of constructing direct spreading sequences based on one -dimensional chaotic maps with infinite collapse.
通过对低密度奇偶校验(LDPC)码构造的研究，提出了一种利用稀疏二进制序列构造规则LDPC码的新颖而简单的方法。
A novel and simple construction of regular LDPC codes was proposed, which used sparse binary sequences, through studying construction methods of LDPC codes.
针对频偏对PN序列相关性影响比较明显的问题，提出了一种利用FH序列构造的具有共轭对称性质的训练序列进行符号同步的方案。
Due to the obvious impact of frequency offset on PN sequences, based on the FH sequence, a symbol synchronization scheme with a conjugate symmetric training sequence is proposed.
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