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系统工程与电子技术（英文版）
系统工程与电子技术（英文版）

施荣

双月刊

1004-4132

tougaoxinxiang@263.net

010-68388406

100854

北京142信箱32分箱

系统工程与电子技术（英文版）/Journal Journal of Systems Engineering and ElectronicsCSCDCSTPCD北大核心EISCI
查看更多>>本刊是《中国科学引文数据库》来源期刊，被美国科学引文索引（SCIE）、美国工程索引（EI）和英国科学文摘（SA）等多家国内、外著名检索系统收录。它是面向高科技开发和应用的跨学科期刊，以传播新技术、促进学术交流为宗旨，坚持深度与广度、理论与应用相结合的方针，努力反映系统工程与电子技术两大领域的最新成就，报道的主要内容包括：系统科学、军事系统分析、飞行器控制、雷达、光电探测技术、信息获取与处理、运筹学管理与决策技术等。
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    Multiple model PHD filter for tracking sharply maneuvering tar-gets using recursive RANSAC based adaptive birth estimation

    DING ChangwenZHOU DiZOU XinguangDU Runle...
    780-792页
    查看更多>>摘要：An algorithm to track multiple sharply maneuvering targets without prior knowledge about new target birth is pro-posed.These targets are capable of achieving sharp maneuvers within a short period of time,such as drones and agile missiles.The probability hypothesis density(PHD)filter,which propa-gates only the first-order statistical moment of the full target posterior,has been shown to be a computationally efficient solu-tion to multitarget tracking problems.However,the standard PHD filter operates on the single dynamic model and requires prior information about target birth distribution,which leads to many limitations in terms of practical applications.In this paper,we introduce a nonzero mean,white noise turn rate dynamic model and generalize jump Markov systems to multitarget case to accommodate sharply maneuvering dynamics.Moreover,to adaptively estimate newborn targets'information,a measure-ment-driven method based on the recursive random sampling consensus(RANSAC)algorithm is proposed.Simulation results demonstrate that the proposed method achieves significant improvement in tracking multiple sharply maneuvering targets with adaptive birth estimation.
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    Relative orbit determination algorithm of space targets with passive observation

    DAI ChenchaoQIANG HongfuZHANG DegangHU Shaolei...
    793-804页
    查看更多>>摘要：Angles-only relative orbit determination for space non-cooperative targets based on passive sensor is subject to weakly observable problem of the relative state between two spacecraft.Previously,the evidence for angles-only observabi-lity was found by using cylindrical dynamics,however,the solu-tion of orbit determination is still not provided.This study deve-lops a relative orbit determination algorithm with the cylindrical dynamics based on differential evolution.Firstly,the relative motion dynamics and line-of-sight measurement model for near-circular orbit are established in cylindrical coordinate system.Secondly,the observability is qualitatively analyzed by using the dynamics and measurement model where the unobservable geometry is found.Then,the angles-only relative orbit determi-nation problem is modeled into an optimal searching frame and an improved differential evolution algorithm is introduced to solve the problem.Finally,the proposed algorithm is verified and tested by a set of numerical simulations in the context of high-Earth and low-Earth cases.The results show that initial relative orbit determination(IROD)solution with an appropriate accu-racy in a relative short span is achieved,which can be used to initialize the navigation filter.
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    人物介绍

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    INSTRUCTIONS FOR AUTHORS

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