基于深度学习的捷变相参雷达1-Bit块稀疏重构

TP957.51; 近年来,量化压缩感知理论在雷达目标参数估计问题中得到了广泛应用,其主要思想是对采样回波数据进行量化,并将雷达观测模型建模为欠定方程,再利用压缩感知理论对稀疏目标信号进行恢复,降低回波数据的位宽,达到简化系统、提升效率的目的 .本文建立了捷变相参雷达信号的块稀疏压缩感知模型,并提出一种基于深度学习的1 Bit块稀疏重建网络B-BAdaLISTA,该重建网络与传统1-Bit硬判决迭代算法比较,在1 Bit采样量化下具有相近的重构性能和更快的收敛速度,同时将块稀疏的结构特征融入到网络结构中,显著提高了雷达目标参数的恢复质量.通过仿真实验定量分析了B-BAdaLISTA重建网络在无...

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Published in系统工程与电子技术 Vol. 44; no. 1; pp. 70 - 75
Main Authors 付蓉, 黄天耀, 刘一民
Format Journal Article
LanguageChinese
Published 清华大学电子工程系,北京100084 2022
Subjects
捷变相参雷达;块稀疏;1-Bit量化;深度学习
Online AccessGet full text
ISSN1001-506X
DOI10.12305/j.issn.1001-506X.2022.01.10

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Abstract TP957.51; 近年来,量化压缩感知理论在雷达目标参数估计问题中得到了广泛应用,其主要思想是对采样回波数据进行量化,并将雷达观测模型建模为欠定方程,再利用压缩感知理论对稀疏目标信号进行恢复,降低回波数据的位宽,达到简化系统、提升效率的目的 .本文建立了捷变相参雷达信号的块稀疏压缩感知模型,并提出一种基于深度学习的1 Bit块稀疏重建网络B-BAdaLISTA,该重建网络与传统1-Bit硬判决迭代算法比较,在1 Bit采样量化下具有相近的重构性能和更快的收敛速度,同时将块稀疏的结构特征融入到网络结构中,显著提高了雷达目标参数的恢复质量.通过仿真实验定量分析了B-BAdaLISTA重建网络在无噪、有噪条件下的恢复能力,验证了算法的有效性.
AbstractList TP957.51; 近年来,量化压缩感知理论在雷达目标参数估计问题中得到了广泛应用,其主要思想是对采样回波数据进行量化,并将雷达观测模型建模为欠定方程,再利用压缩感知理论对稀疏目标信号进行恢复,降低回波数据的位宽,达到简化系统、提升效率的目的 .本文建立了捷变相参雷达信号的块稀疏压缩感知模型,并提出一种基于深度学习的1 Bit块稀疏重建网络B-BAdaLISTA,该重建网络与传统1-Bit硬判决迭代算法比较,在1 Bit采样量化下具有相近的重构性能和更快的收敛速度,同时将块稀疏的结构特征融入到网络结构中,显著提高了雷达目标参数的恢复质量.通过仿真实验定量分析了B-BAdaLISTA重建网络在无噪、有噪条件下的恢复能力,验证了算法的有效性.
Author 黄天耀
刘一民
付蓉
AuthorAffiliation 清华大学电子工程系,北京100084
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Snippet TP957.51; 近年来,量化压缩感知理论在雷达目标参数估计问题中得到了广泛应用,其主要思想是对采样回波数据进行量化,并将雷达观测模型建模为欠定方程,再利用压缩感知理论对...
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Title 基于深度学习的捷变相参雷达1-Bit块稀疏重构
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