[1]孙明珠,盖强.基于双阈值小波变换在雷达测试数据处理中的应用[J].应用科技,2011,38(04):57-59.[doi:doi:10.3969/j.issn.1009-671X.2011.04.13]
 SUN Mingzhu,GAI Qiang.The application of dual threshold wavelet transform in data processing of radar test data[J].Applied science and technology,2011,38(04):57-59.[doi:doi:10.3969/j.issn.1009-671X.2011.04.13]
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基于双阈值小波变换在雷达测试数据处理中的应用(/HTML)
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《应用科技》[ISSN:1009-671X/CN:23-1191/U]

卷:
第38卷
期数:
2011年04期
页码:
57-59
栏目:
自动化技术
出版日期:
2011-04-05

文章信息/Info

Title:
The application of dual threshold wavelet transform in data processing of radar test data
文章编号:
1009-671X (2011) 04-0057-03
作者:
孙明珠 盖强
1.海军大连舰艇学院 研究生管理大队,辽宁 大连 116018; 2. 海军大连舰艇学院 装备自动化系,辽宁 大连 116018
Author(s):
SUN MingzhuGAI Qiang
1. Department of Graduate Management, Dalian Naval Academy, Dalian 116018, China; 2. Department of Equipment System and Automation, Dalian Naval Academy, Dalian 116018, China
关键词:
小波变换雷达测试消噪野值阈值函数
Keywords:
wavelet transform radarandtests denoising abnormal data limit values
分类号:
TN911.7
DOI:
doi:10.3969/j.issn.1009-671X.2011.04.13
文献标志码:
A
摘要:
针对雷达测试数据中存在大量噪声和野值的问题,分析了雷达测试数据噪声、野值产生的原因及其在小波域上的特性,根据此特性提出基于显著检验水平的 准则野值判别方法和小波阈值消噪的新双阈值函数.利用此双阈值对数据小波变换细节分量进行处理,然后重建原数据,从而达到消噪、去野值的目的.与小波默认阈值消噪相比,此方法对野值的剔除效果显著,消噪后的信噪比有较大提高.
Abstract:
The radar test data have a lot of noise and abnormal data. To overcome this shortcoming, we analyzed the cause for it and its characteristics in wavelet domain, and on the basis of this, proposed a novel dual threshold function, which is based on wavelet threshold denoising and criterion  which is of remarkable test level and is used for judging of abnormal data. The dual threshold was used to deal with precise components after which former data was reconstructed, thereby achieving the purpose of denoising and getting rid of abnormal data. Compared with wavelet default threshold denoising, the proposed method has obvious effect in eliminating abnormal data, and the SNR after denoising is improved.

参考文献/References:

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备注/Memo

备注/Memo:
国防基础研究基金项目资助(504201037)
更新日期/Last Update: 2011-06-14