| 现代谱估计法中几种不同模型参数估计法的比较 |
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| 引用本文： | 支冬栋,卫红凯,杜斌.现代谱估计法中几种不同模型参数估计法的比较[J].舰船电子对抗,2009,32(1). |
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| 作者姓名： | 支冬栋 卫红凯 杜斌 |
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| 作者单位： | 1. 海军后勤部,北京,100841
2. 海军工程大学,武汉,430033 |
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| 摘 要： | 为了克服经典的功率谱估计方法存在的方差大、分辨率低的缺点，产生了现代谱估计法。首先介绍了现代谱估计法中的几种模型参数估计法，通过仿真比较了其性能，并对模型阶次的选择作了分析，对实际的工程应用有一定的参考价值。
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| 关 键 词： | 自相关法 Burg法 Pisarenro谐波分解法 |
Comparison of Several Different Model Parameter Methods in Modern Spectrum Estimation |
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| ZHI Dong-dong,WEI Hong-kai,DU Bin.Comparison of Several Different Model Parameter Methods in Modern Spectrum Estimation[J].Shipboard Electronic Countermeasure,2009,32(1). |
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| Authors: | ZHI Dong-dong WEI Hong-kai DU Bin |
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| Affiliation: | 1.Navy Logistic Department;Beijing 100841;China;2.Navy Engineering University;Wuhan 430033;China |
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| Abstract: | The modern spectrum estimation method is developed to overcome the shortcomings of the classical spectrum estimation method such as large variance and low resolution.This paper firstly introduces several model parameter estimation methods in modern spectrum estimation,then compares the performances of the models through simulation,and analyzes the selection of their exponent number,which has definite reference value to the practical engineering application. |
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| Keywords: | autocorrelation method Burg method Pisarenro harmonic decomposition method |
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