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通道频率特性差异对高分辨率参数估计算法MUSIC的影响

The Effect of Channel Difference of Frequency Property on High Resolution Parameter Estimation Algorithm(MUSIC)
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摘要 本文分析了高分辨率参数估计算法-MUSIC在通过频率响应不一致(通道失配)情况下的统计性能,推导了通道失配对空间港的影响以及失配方差和分辨能力的关系表达式.理论表明:通道先配会引起空间谱误差并降低其分辨能力。计算机仿真结果证明了理论结果的有效性。 This paper analyzes the statistic performance of the high resolution parameter estimation algorithm (MUSIC) in the presence of channel mismatch. The relationship of theoretical expression between the spatial spectrum and channel mismatch, resolution ability and channel mismatch are derived . The theory shows, the effect of channel mismatch on the performance of the algorithm is seriously. These formulas were validated by comupter simulation.
出处 《信号处理》 CSCD 1998年第1期60-65,共6页 Journal of Signal Processing
关键词 通道频率 参数估计 MUSIC 信号估计 算法 spectrum estimation, adaptive array, channel mismatch
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参考文献7

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