Article(id=1200797898075132051, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1200805346487955826, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20250504, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713715200000, receivedDateStr=2024-04-22, revisedDate=1732982400000, revisedDateStr=2024-12-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1764222128646, onlineDateStr=2025-11-27, pubDate=1761321600000, pubDateStr=2025-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764223904676, onlineIssueDateStr=2025-11-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=1764222128646, onlineFirstDateStr=2025-11-27, sourceXml=null, magXml=null, createTime=1764222128646, creator=13701087609, updateTime=1764222128646, updator=13701087609, issue=Issue{id=1200805346487955826, tenantId=1146029695717560320, journalId=1146119989267898375, year='2025', volume='48', issue='5', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764223904486, creator=13701087609, updateTime=1768809576727, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220039050011005257, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1200805346487955826, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220039050011005258, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1200805346487955826, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=47, endPage=51, ext={EN=ArticleExt(id=1200797898943353001, articleId=1200797898075132051, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Off-grid and Multiple Emitters Direct Localization Algorithm Based on GDP Distribution and Sparse Bayesian Learning, columnId=1154057567841014343, journalTitle=Missiles and Space Vehicles, columnName=Guidance, Navigation and Control, runingTitle=null, highlight=null, articleAbstract=
The sparse reconstruction theory can obtain distance information in the emitters localization. In the case of traditional emitter sparse reconstruction poor algorithm performance and off grid, an Off-Grid and multiple emitters direct localization algorithm are proposed based on GDP distribution and Sparse Bayesian Learning (SBL). This GDP-SBL-DPD algorithm assumes that the reconstructed signal follows a Generalized Double Pareto (GDP) distribution and leverages a coarse-to-fine search and signal hyper parameter quadratic updating method to enhance the performance of Emitters Direct in off-grid scenarios. Simulation results demonstrate that the GDP-SBL-DPD algorithm outperforms the grid mismatch algorithms based on Orthogonal Matching Pursuit (OMP), Alternating DirectionMethod of Multipliers (ADMM), and SBL coarse-to-fine search in multiple emitters grid mismatch scenarios, with higher accuracy and stronger robustness.
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稀疏重构理论可以获取辐射源定位中的距离信息。针对传统辐射源定位稀疏重构算法性能差和离格问题,提出了一种基于广义双帕累托(Generalized Double Pareto,GDP)分布稀疏贝叶斯学习(Sparse Bayesian Learning,SBL)的离格多辐射源直接定位算法(GDP-SBL-DPD)。该算法假设辐射源信号服从GDP分布,并通过使用粗细搜索结合和信号超参数二次更新的方法,提升在离格场景下的直接定位性能。仿真结果表明,在多目标的网格失配场景下,相比基于正交匹配追踪(Orthogonal Matching Pursuit,OMP)、交替方向乘子法(Alternating Direction Method of Multipliers,ADMM)和SBL粗细搜索结合的直接定位离格算法,GDP-SBL-DPD算法具有更高的精度和更强的鲁棒性。
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宋丽萍(1996—),女,工程师,主要研究方向为时差定位。
王 硕(1993—),男,工程师,主要研究方向为电子对抗设计。
张 杰(1994—),男,工程师,主要研究方向为电子对抗设计。
赵鹏程(1995—),男,工程师,主要研究方向为电子对抗设计。
赵 毅(1998—),男,助理工程师,主要研究方向为捷变频雷达。
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宋丽萍(1996—),女,工程师,主要研究方向为时差定位。
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王 硕(1993—),男,工程师,主要研究方向为电子对抗设计。
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王 硕(1993—),男,工程师,主要研究方向为电子对抗设计。
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张 杰(1994—),男,工程师,主要研究方向为电子对抗设计。
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张 杰(1994—),男,工程师,主要研究方向为电子对抗设计。
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赵鹏程(1995—),男,工程师,主要研究方向为电子对抗设计。
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赵 毅(1998—),男,助理工程师,主要研究方向为捷变频雷达。
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赵 毅(1998—),男,助理工程师,主要研究方向为捷变频雷达。
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