| 高阶谱与二阶循环谱在信道盲辨识与盲均衡中的性能比较 |
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| 引用本文： | 陈少平,朱翠涛,Chen Shaoping,Zhu Cuitao.高阶谱与二阶循环谱在信道盲辨识与盲均衡中的性能比较[J].中南民族大学学报(自然科学版),2003,22(1):20-25,28. |
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| 作者姓名： | 陈少平 朱翠涛 Chen Shaoping Zhu Cuitao |
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| 作者单位： | CollegeofElectronicandInformationEngineering,SCUFN |
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| 基金项目： | 国家民委重点科研基金资助项目 (2 0 0 2 ABA0 0 3) |
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| 摘 要： | 重点研究了高阶谱和二阶循环谱及其在信道盲辨识与盲均衡中的应用，对基于最小二乘和快速傅立叶变换的算法进行了比较，得出了一些重要结论：高阶谱算法具有较强的抗高斯噪声性能，但其收敛速度慢；二阶循环谱算法具有收敛速度快和所需数据最小的优点，但其收敛残余误差大。
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| 关 键 词： | 信道盲辨识 信道盲均衡 高阶谱 二阶循环谱 抗高斯噪声性能 收敛速度 性能比较 |
Comparison between HOS and SOCS for Blind Channel Identification and Equalization |
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| Chen Shaoping,Zhu Cuitao.Comparison between HOS and SOCS for Blind Channel Identification and Equalization[J].Journal of South-Central Univ for,2003,22(1):20-25,28. |
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| Authors: | Chen Shaoping Zhu Cuitao |
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| Abstract: | The focus of this paper is on two particular families of blind identification and equalization methods: methods based on the higher-order statistics (HOS) and methods based on the cyclostationary statistics (SOCS) of the received signal. These methods are used in conjunction with least-squares (LS) and FFT based algorithms. Different algorithms are compared from mean-squared error (MSE) and bit error rate (BER) points of view. |
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| Keywords: | second order statistics high order statistics channel identification channel equalization |
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