混沌理论在水声信号检测中的应用研究
Ship Electronic Engineering(2010)
Abstract
为解决微弱信号的检测,提出了一种基于混沌预测的水声信号检测模型。根据混沌系统的动力学特性,给出了这种检测模型的检验准则,通过对实际水声信号进行仿真,结果表明,信噪比为-17dB情况,检测模型仍具有较强的检测能力,同时验证了检验准则的有效性;如要检测信噪比更低的信号,则要提高信号预测的准确率。
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Key words
examination criterion,chaos,detection,underwater acoustic signals
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