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面向复杂表面物体的3D太赫兹成像技术
Alternative TitleTowards THz 3D imaging for objects with complex shape
雷静1,2,3,4; 祁峰1,2,3
Department光电信息技术研究室
Source Publication太赫兹科学与电子信息学报
ISSN2095-4980
2019
Volume17Issue:4Pages:557-562
Contribution Rank1
Funding Organization科技部国家重点研究发展计划基金资助项目(2016YFC0102900) ; 国家自然科学基金资助项目(61605235;61505089,61801467,1804160) ; 中科院“百人计划”基金资助项目
Keyword太赫兹 三维目标重建 逆合成孔径雷达技术 大曲率目标
Abstract将逆合成孔径雷达(ISAR)技术应用到太赫兹频段,针对平滑表面物体和复杂表面物体扫描获取原始数据,并基于快速傅里叶变换对获取的三维数据进行处理,实现横向和径向的高分辨力太赫兹三维目标重建。通过在波数域对回波信号进行距离迁移补偿处理、插值处理,以及空域图像阈值去噪处理后,将目标的反射系数从三维空间中提取出来并保留其空间位置信息,从而完成三维目标重建。
Other AbstractThe Inverse Synthetic Aperture Radar(ISAR) technology is applied to terahertz frequency band, and the original data are obtained by scanning smooth surface objects and complex surface objects. The obtained 3D data are processed based on fast Fourier transform, and the transverse and radial high resolution terahertz 3D target reconstruction is realized. After the spherical wavefront correction of the wavenumber domain echo complex signal to the plane wavefront phase compensation, interpolation processing and spatial image threshold denoising processing, the reflection coefficient of the target is extracted from the three-dimensional space and its spatial position information is retained, so as to complete the reconstruction of the three-dimensional target.
Language中文
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25619
Collection光电信息技术研究室
Corresponding Author雷静
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院机器人与智能制造创新研究院
3.中国科学院光电信息处理重点实验室
4.中国科学院辽宁省图像理解与视觉计算重点实验室
5.中国科学院大学
Recommended Citation
GB/T 7714
雷静,祁峰. 面向复杂表面物体的3D太赫兹成像技术[J]. 太赫兹科学与电子信息学报,2019,17(4):557-562.
APA 雷静,&祁峰.(2019).面向复杂表面物体的3D太赫兹成像技术.太赫兹科学与电子信息学报,17(4),557-562.
MLA 雷静,et al."面向复杂表面物体的3D太赫兹成像技术".太赫兹科学与电子信息学报 17.4(2019):557-562.
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