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5种新混沌弱信号检测系统设计

更新时间:2020-09-08 05:13:43 大小:632K 上传用户:守着阳光1985查看TA发布的资源 标签:弱信号检测系统 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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为了进一步改进混沌弱信号检测系统的性能,设计了5种新的高灵敏度复合混沌弱信号检测系统,并选择其中一种与目前广泛使用的Duffing混沌弱信号检测系统进行了对比分析,结果显示新复合混沌系统可以克服Duffing混沌弱信号检测系统出现的3个难题:被检测信号消失后混沌状态无法快速自动回复、大周期状态不稳定以及混沌状态和大周期状态难以区分。通过使用Jacobian矩阵和特征方程的分析,显示了新复合混沌系统比Duffing混沌系统更为有效。与传统弱信号检测方法相比,新复合混沌系统电路简单、具有更低的信噪比和检测信号门限。理论分析和实验显示了新复合混沌系统的特性。

To further improve the ability on weak signal detection with chaotic system, the five new high-sensitive complex chaotic systems on weak signal detection are designed. The comparative analysis of one of them with the widely used Duffing chaotic weak signal detection system are done. The finding is that the new complex chaotic system is likely to overcome the three widely appeared problems when using the Duffing system, which are: the chaotic state usually cannot quickly and automatically resume after the detected signal disappears, the large periodic state is instable, and it is difficult to distinguish the chaotic state from the periodic state. Analysis by usin...

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5种新混沌弱信号检测系统设计.pdf 632K

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