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一种基于信息过滤的无线电定位方法
Alternative TitleMethod for radio location based on information filtering
苗晟1,3; 董亮2,3; 何丽波1; 姚绍文1
Source Publication国外电子测量技术(Foreign Electronic Measurement Technology)
2014-03
Volume33Issue:3Pages:31-34
DOI10.19652/j.cnki.femt.2014.03.010
ClassificationTP802+.6 ; TN801
Contribution Rank第2完成单位
Indexed By其他
KeywordTdoa 无线电定位 Emd Svd
Abstract

无线电信号在传播过程中容易受到多径效应和其他电磁场干扰,严重影响了无线电源的监测和定位。为了降低无线电干扰,提高对无线电发射源的定位精度,提出了一种基于经验模态分解和奇异值分解的信息过滤算法以提取无线电信号主分量、去除无线电信号的干扰。通过实测数据测试,相比直接使用TDOA定位算法,使用该信息过滤算法对无线电信号进行预处理之后,定位精度由约100m提高到十余米,有效提高了定位精度和系统的监测能力。

Other Abstract

The multipath effect and other electromagnetic interference do big harm at radio location and monitoring during the radio transmitter. In this paper, a new algorithm, which is using empirical mode decomposition and singular value decomposition, has been proposed to de-noise and improve the positioning accuracy for radio signal. Experimetn data has been conduct and the test result shows; our algorithm can improve position accuracy and system monitoring capability effectively, position accuracy is improved from nearly one hundred meters up to less than twenty meters.

Funding Project国家自然科学基金——青年基金项目[11303094] ; 中科院恒星结构及演化重点实验孵化类课题
Funding Organization国家自然科学基金——青年基金项目[11303094] ; 中科院恒星结构及演化重点实验孵化类课题
Language中文
Subject Area电子、通信与自动控制技术
MOST Discipline Catalogue工学 ; 工学::电子科学与技术(可授工学、理学学位)
ISSN1002-8978
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5682
Collection射电天文研究组
Affiliation1.云南大学信息学院, 昆明, 650031
2.中国科学院云南天文台, 昆明, 650000
3.云南大学中国科学院云南天文台信息技术联合实验室, 昆明, 650031
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
苗晟,董亮,何丽波,等. 一种基于信息过滤的无线电定位方法[J]. 国外电子测量技术(Foreign Electronic Measurement Technology),2014,33(3):31-34.
APA 苗晟,董亮,何丽波,&姚绍文.(2014).一种基于信息过滤的无线电定位方法.国外电子测量技术(Foreign Electronic Measurement Technology),33(3),31-34.
MLA 苗晟,et al."一种基于信息过滤的无线电定位方法".国外电子测量技术(Foreign Electronic Measurement Technology) 33.3(2014):31-34.
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