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基于重排时频分析跳频图案捕获的研究

Research on FH Sequence Acquisition Based on Reassignment Time-Frequency Analysis
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摘要 为了实现对跳频图案快速准确地捕获,通过对Cohen类时频分布、核函数以及时频分布重排进行研究,提出了基于科恩-重排时频分析的跳频图案时频相关的捕获方法.时频相关的捕获方法能准确、有效地描绘跳频图案,具有很高的时间-频率分辨率.分析表明,时频相关的捕获方法能有效地抑制交叉项、扩散信号分量,计算时采用模块化处理,运算量小.仿真结果表明,时频相关法能够满足对跳频信号快速跟踪、测频的要求.
机构地区 北京邮电大学
出处 《北京邮电大学学报》 EI CAS CSCD 北大核心 2005年第z1期1-4,共4页 Journal of Beijing University of Posts and Telecommunications
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