基于子采样的TDDM-BOC信号采集研究

2010 Third International Conference on Intelligent Networks and Intelligent Systems Pub Date : 2010-11-01 DOI:10.1109/ICINIS.2010.109

Bo Qian, B. Dong, Ren Li, S. Sun

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引用次数: 2

摘要

TDDM-BOC调制信号由于其独特的分谱和多峰自相关特性，实现了同频率下不同信号的重叠，具有较好的抗干扰能力。根据TDDM-BOC调制信号的自相关特性，提出了一种基于子采样的TDDM-BOC信号直接采集算法。在信噪比降低的情况下，对该算法进行了仿真，并对其性能进行了分析。在带通次采样条件下的仿真结果证明了该算法具有较低信噪比的有效性。由于采样频率较低，计算数据量大大减少。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Research of Acquiring TDDM-BOC Signal Base on Sub-sampling

TDDM-BOC modulation signal is realized to overlap with different signals in the same frequency and has the better anti-jamming ability, because of the unique character of split spectrum and auto-correlation multi-peak. According to the auto-correlation character of TDDM-BOC modulation signal, an algorithm is proposed for direct acquiring TDDM-BOC signal based on sub-sampling. With decreasing Signal-to-Noise, the algorithm is simulated and its performance is analyzed. The validity of the algorithm with the lower SNR is proved by simulation result under band-pass sub-sampling. The number of computing data is much less, because of the lower sampling frequency.

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2010 Third International Conference on Intelligent Networks and Intelligent Systems

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