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An Optimization Algorithm for Forward-Scatter Radar Network Node Deployment Based on BFGS and Improved NSGA-II

delete2025-04-02
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OA
AI
Y
Yuqing Zheng
X
Xiaofeng Ai *
Z
Zhiming Xu
J
Jing Wu
F
Feng Zhao
DOI:10.3390/rs17071263delete
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摘要

摘要

En 中文
近年来,利用全球导航卫星系统(GNSS)作为辐射源的顺向散射雷达(FSRs)已引起越来越多的关注。该雷达系统通过在地面上部署多个接收节点,实现空中目标监视,提供了一种低成本且易于部署的解决方案。因此,如何部署接收节点以实现节点资源的高效利用,是一个亟待解决的问题。本文针对单发射机和多接收机的配置,提出了一种接收节点部署方法。首先,通过几何近似将问题重新表述为最优等圆覆盖问题。随后,建立了一个多目标优化模型,其目标函数为最小化节点成本和最大化空间探测区域。其次,引入基于Broyden-Fletcher-Goldfarb-Shanno(BFGS)算法的方法,以获得节点成本的次优解,从而降低优化过程的计算复杂度。最后,提出了一种改进的非支配排序遗传算法II(NSGA-II),用于推导部署方案。然后,基于熵权法(EWM),利用逼近理想解排序法(TOPSIS)对这些方案进行排序。结果表明,与现有方法相比,所提出的方法能够获得更优的部署方案,并增强解的多样性。
Keyword:
forward-scatter radar
GNSS
NSGA-II
node deployment optimization

期刊

Remote Sensing 封面图
Remote Sensing
IF:
4.1
论文数:
7.5K
被引数:
15.1W

机构

N
natl univ def technol
学者数:
1.5K
论文数: 509
被引数: 141
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