一种适用于电离层层析成像的TV-MART算法

汤俊, 姚宜斌, 张良

汤俊, 姚宜斌, 张良. 一种适用于电离层层析成像的TV-MART算法[J]. 武汉大学学报 ( 信息科学版), 2015, 40(7): 870-876. DOI: 10.13203/j.whugis20130049
引用本文: 汤俊, 姚宜斌, 张良. 一种适用于电离层层析成像的TV-MART算法[J]. 武汉大学学报 ( 信息科学版), 2015, 40(7): 870-876. DOI: 10.13203/j.whugis20130049
TANG Jun, YAO Yibin, ZHANG Liang. A TV-MART Algorithm Applied to Computerized Ionospheric Tomography[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 870-876. DOI: 10.13203/j.whugis20130049
Citation: TANG Jun, YAO Yibin, ZHANG Liang. A TV-MART Algorithm Applied to Computerized Ionospheric Tomography[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 870-876. DOI: 10.13203/j.whugis20130049

一种适用于电离层层析成像的TV-MART算法

基金项目: 国家自然科学基金资助项目(41174012,41274022);国家863计划资助项目(2013AA122502);国家教育部新世纪优秀人才支持计划资助项目(NCET 12 0428);东华理工大学江西省数字国土重点实验室开放研究基金资助项目(DLLJ201504);武汉大 学地球空间环境与大地测量教育部重点实验室开放研究基金资助项目(14 01 04)
详细信息
    作者简介:

    汤俊,博士,主要从事GNSS数据处理和电离层建模研究。

  • 中图分类号: P228

A TV-MART Algorithm Applied to Computerized Ionospheric Tomography

Funds: TheNationalNaturalScienceFoundationofChina,Nos.41174012,41274022;theNationalHigh techR&D ProgramofChina(863Program),No.2013AA122502;theProgramforNewCenturyExcellentTalentsinUniversityofMinistryofEduca tionofChina,No.NCET 12 0428;theJiangxiProvinceKeyLaboratoryforDigitalLand,East China Institute of Technology,No.DLLJ201504;theKeyLaboratoryofGeospaceEnvironmentandGeodesy,MinistryofEducation,WuhanUniversity,No.14 01 04..檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪
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    Author Bio:

    TANG Jun, PhD, specializes in GNSS data processing and ionosphere model estimation.

  • 摘要: 针对电离层电子密度重构问题,提出了一种综合利用总变差最小化(toalvariation,TV)与乘法代数重构算法(multiplicativealgebraicreconstructiontechnique,MART)的电离层层析成像算法。该算法对反演模型的参数施加总变差约束,以提高反演过程的稳定性和结果的精确性。通过模拟数据和实测数据对模型的重构结果进行验证,结果表明,相对于乘法代数重构算法,该算法能够有效地提高电离层电子密度的重构精度。
    Abstract: Reconstructionofionosphericelectrondensity(IED)isanill posedinverseproblem.Tosolvethisproblem,weproposeanewalgorithmcombiningtotalvariation(TV)minimizationwithamultiplicativealgebraicreconstructiontechnique(MART)forcomputerizedionospherictomography(CIT).ThealgorithmisaninterlacediterativemethodaddingaTVconstrainttotheparameteroftheinversionmodel,toimprovethestabilityandtheresolutionofinversion.Experimentswithsimulatedandrealdataarediscussed.IncontrasttotheMART,theproposedalgorithmcaneffectivelyimproveIEDreconstructionaccuracy.
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出版历程
  • 收稿日期:  2013-04-14
  • 修回日期:  2015-07-04
  • 发布日期:  2015-07-04

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