一种修正最大似然调制分类算法 |
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引用本文: | 冯祥,元洪波.一种修正最大似然调制分类算法[J].电子信息对抗技术,2010,25(4):1-2,20. |
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作者姓名: | 冯祥 元洪波 |
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作者单位: | 空军第一航空学院,信阳,464000 |
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摘 要: | 通过对观测样本进行非线形变换,对最大似然调制分类算法进行了修正,提出了一种最大似然数字调制分类算法。该算法有效消除了载波相位对最大似然算法性能的影响。理论分析和仿真结果均证明了算法的正确性和有效性。
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关 键 词: | 调制分类 最大似然分类 分类性能 计算复杂度 |
A Modified Maximum Likelihood Classification Algorithm for Digital Modulation Signals |
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Authors: | FENG Xiang YUAN Hong-bo |
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Affiliation: | FENG Xiang,YUAN Hong-bo(The First Aeronautical Institute of PLA Air Force,Xinyang 464000,China) |
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Abstract: | By the non-linear transformation to the observation sample and modifying the maximum likelihood modulation classification algorithm,a maximum likelihood digital modulation classification algorithm is presented.The effect of carrier phase on the performance of the maximum likelihood classification algorithm is eliminated by the transformation.The efficiency of the proposed modified classification algorithm is verified via theoretical analysis and extensive simulations. |
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Keywords: | modulation classification maximum-likelihood classification classification performance computational complexity |
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