一種空間相關(guān)高斯噪聲背景下的時(shí)變時(shí)延估計(jì)算法
A Kind of time variant time delay estimation method under spatially correlated gaussian noise
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摘要: 在空間相關(guān)高斯噪聲的背景下，基于二階統(tǒng)計(jì)量的時(shí)延估計(jì)方法會(huì)失效，該文提出了一種基于三階統(tǒng)計(jì)量的自適應(yīng)時(shí)變時(shí)延估計(jì)算法，并分析了算法的收斂性，最后的仿真結(jié)果表明該算法可以有效地抑制相關(guān)高斯噪聲。
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關(guān)鍵詞:
- 時(shí)延估計(jì); 三階統(tǒng)計(jì)量
Abstract: When the noises are spatially correlated, the time delay methods based on second order statistic will be useless. In this paper a kind of adaptive time delay estimation method based on third order statistic is provided, and its convergence is analyzed. Finally , simulation results demonstrate that this approach can effectively depress Gaussian correlated noise. -
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