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基于四阶累量切片的MUSIC法研究及仿真试验 被引量:1

Research and simulation of MUSIC algorithm based on the 4-order cumulant slice
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摘要 波达方向估计方法中,基于子空间的多重信号分类法(MUSIC)有很高的分辨力、估计精度及稳定性,但在高斯色噪声环境下,利用自相关的特征子空间进行处理的MUSIC算法受到很大限制。而基于四阶累量切片的特征子空间的MUSIC算法可以很好地进行处理。仿真表明,该算法在高斯色噪声下,是实现高分辨方位估计的有效方法。 The subspace-based MUSIC algorithm has good resolution capability,estimation precision and stability.But under color Gauss noise,MUSIC use of autocorrelation has bad performance.MUSIC algorithm based on 4-order cumulant slice can deal these problems very well.Computer simulations have been performed to confirm the validity of the theory.
出处 《舰船科学技术》 2011年第1期62-64,98,共4页 Ship Science and Technology
基金 国家部委资助项目(4010709010201)
关键词 波达方向估计 多重信号分类法 高阶统计量 高斯色噪声 DOA MUSIC higher-order statistic color Gauss noise
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