| 窗函数对传统功率谱估计精度的影响 |
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| 引用本文： | 解翔,卫红凯,马珂.窗函数对传统功率谱估计精度的影响[J].舰船电子对抗,2009,32(2). |
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| 作者姓名： | 解翔 卫红凯 马珂 |
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| 作者单位： | 1. 海军工程大学,武汉,430033
2. 海军航空军械修理所,上海,200436 |
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| 摘 要： | 介绍了传统谱估计的基本原理，通过MATLAB实现经典谱估计的各种方法，比较了它们的性能指标，着重分析了Welch方法中不同窗函数对功率谱估计的影响，指出其优缺点，得出了一些有参考价值的结论。
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| 关 键 词： | Welch法 周期图 谱估计 |
Influence of Window Function on The Estimation Precision of Traditional Power Spectrum |
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| XIE Xiang,WEI Hong-kai,MA Ke.Influence of Window Function on The Estimation Precision of Traditional Power Spectrum[J].Shipboard Electronic Countermeasure,2009,32(2). |
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| Authors: | XIE Xiang WEI Hong-kai MA Ke |
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| Affiliation: | 1.Navy Engineering University;Wuhan 430033;China;2.Ordnance Repair Institute of Naval Navigation;Shanghai 200436;China |
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| Abstract: | This paper introduces the basic principle of traditional spectrum estimation,and compares the performance indexes of different methods that can realize the classic spectrum estimation by MATLAB,and focuses on analyzing the influence of different window function in Welh method on the power spectrum estimation,points out the advantages and disadvantages,educes some conclusions with reference value. |
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| Keywords: | Welch method period diagram spectrum estimation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
