Abstract
该文针对基于PSWF的非正弦时域正交调制信号同步困难的问题，通过分析调制信号的脉冲序列特征，提出了一种基于辅助序列的同步方法。采用Barker码调制0阶基带时限PSWF脉冲设计具有单峰值特性的辅助序列。同步捕获时，先采用滑动相关捕获法将同步大致位置快速定位于一个小的搜索区间，再采用MAX/TC算法在这个小的搜索区间内进行准确捕获并验证正确性。理论推导了AWGN条件下的同步捕获性能，仿真结果表明，该同步方法可行，且在低信噪比条件下具有较好的捕获概率。
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