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一种基于直线特征的信源个数估计新算法 被引量：2

A New Signal Source Number Estimation Algorithm Based on Line Characteristics
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摘要 在空间谱估计技术中,估计信号源个数是一个关键问题,其漏警或虚警会直接影响到测向算法的准确度。然而现有的信号源估计方法在低信噪比、色噪声环境下估计成功概率低且运算复杂,针对该缺点,文中提出一种基于直线特征的信源个数估计新算法。在低信噪比、色噪声环境下通过计算机仿真表明了该算法的正确性和有效性。 The signal source number estimation is a key issue in space spectrum estimation. The precision of direction finding algorithms is directly influenced by the false alarm and miss probability. However, the performances of source number determination are degraded for low Signal-Noise Ratio（ SNR）, colored noise environment and the algorithms have high computational complexity. To overcome these drawbacks, a new source number estimation algorithm based on line characteristics is proposed. Simulation results for low SNR, colored noise background demonstrate the correctness and effectiveness of the proposed algorithm.
作者 唐涛 吴瑛
机构地区 信息工程大学信息工程学院
出处 《现代雷达》 CSCD 北大核心 2009年第3期56-59,共4页 Modern Radar
关键词 阵列信号处理 共线性 信源个数 array signal processing colinearity number of sources
分类号 TN911.7 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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共引文献6

同被引文献14

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现代雷达
2009年 第3期

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