一种空间相关高斯噪声背景下的时变时延估计算法
A Kind of time variant time delay estimation method under spatially correlated gaussian noise
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摘要: 在空间相关高斯噪声的背景下，基于二阶统计量的时延估计方法会失效，该文提出了一种基于三阶统计量的自适应时变时延估计算法，并分析了算法的收敛性，最后的仿真结果表明该算法可以有效地抑制相关高斯噪声。
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关键词:
- 时延估计; 三阶统计量
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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