Compressed Sensing for THz FMCW Radar 3D Imaging
A terahertz (THz) frequency-modulated continuous wave (FMCW) imaging radar system is developed for high-resolution 3D imaging recently. Aiming at the problems of long data acquisition periods and large sample sizes for the developed imaging system, an algorithm based on compressed sensing is propose...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-01-01
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| Series: | Complexity |
| Online Access: | http://dx.doi.org/10.1155/2021/5576782 |
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| _version_ | 1850175459312009216 |
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| author | Shanshan Gu Guangrong Xi Lingyu Ge Zhong Yang Yizhi Wang Weina Chen Zhenzhong Yu |
| author_facet | Shanshan Gu Guangrong Xi Lingyu Ge Zhong Yang Yizhi Wang Weina Chen Zhenzhong Yu |
| author_sort | Shanshan Gu |
| collection | DOAJ |
| description | A terahertz (THz) frequency-modulated continuous wave (FMCW) imaging radar system is developed for high-resolution 3D imaging recently. Aiming at the problems of long data acquisition periods and large sample sizes for the developed imaging system, an algorithm based on compressed sensing is proposed for THz FMCW radar 3D imaging in this paper. Firstly, the FMCW radar signal model is built, and the conventional range migration algorithm is introduced for THz FMCW radar imaging. Then, compressed sensing is extended for THz FMCW radar 3D imaging, and the Newton smooth L0-norm (NSL0) algorithm is presented for sparse measurement data reconstruction. Both simulation and measurement experiments demonstrate the feasibility of reconstructing THz images from measurements even at the sparsity rate of 20%. |
| format | Article |
| id | doaj-art-bffcfea34f0d406d82acea7540371985 |
| institution | OA Journals |
| issn | 1076-2787 1099-0526 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Complexity |
| spelling | doaj-art-bffcfea34f0d406d82acea75403719852025-08-20T02:19:27ZengWileyComplexity1076-27871099-05262021-01-01202110.1155/2021/55767825576782Compressed Sensing for THz FMCW Radar 3D ImagingShanshan Gu0Guangrong Xi1Lingyu Ge2Zhong Yang3Yizhi Wang4Weina Chen5Zhenzhong Yu6College of Intelligent Science and Control Engineering, Jinling Institute of Technology, Nanjing 211169, ChinaShanghai Geometrical Perception and Learning Co., Ltd., Shanghai 201206, ChinaNanjing Metro Group Co., Ltd., Nanjing 210018, ChinaCollege of Intelligent Science and Control Engineering, Jinling Institute of Technology, Nanjing 211169, ChinaCollege of Intelligent Science and Control Engineering, Jinling Institute of Technology, Nanjing 211169, ChinaCollege of Intelligent Science and Control Engineering, Jinling Institute of Technology, Nanjing 211169, ChinaCollege of Intelligent Science and Control Engineering, Jinling Institute of Technology, Nanjing 211169, ChinaA terahertz (THz) frequency-modulated continuous wave (FMCW) imaging radar system is developed for high-resolution 3D imaging recently. Aiming at the problems of long data acquisition periods and large sample sizes for the developed imaging system, an algorithm based on compressed sensing is proposed for THz FMCW radar 3D imaging in this paper. Firstly, the FMCW radar signal model is built, and the conventional range migration algorithm is introduced for THz FMCW radar imaging. Then, compressed sensing is extended for THz FMCW radar 3D imaging, and the Newton smooth L0-norm (NSL0) algorithm is presented for sparse measurement data reconstruction. Both simulation and measurement experiments demonstrate the feasibility of reconstructing THz images from measurements even at the sparsity rate of 20%.http://dx.doi.org/10.1155/2021/5576782 |
| spellingShingle | Shanshan Gu Guangrong Xi Lingyu Ge Zhong Yang Yizhi Wang Weina Chen Zhenzhong Yu Compressed Sensing for THz FMCW Radar 3D Imaging Complexity |
| title | Compressed Sensing for THz FMCW Radar 3D Imaging |
| title_full | Compressed Sensing for THz FMCW Radar 3D Imaging |
| title_fullStr | Compressed Sensing for THz FMCW Radar 3D Imaging |
| title_full_unstemmed | Compressed Sensing for THz FMCW Radar 3D Imaging |
| title_short | Compressed Sensing for THz FMCW Radar 3D Imaging |
| title_sort | compressed sensing for thz fmcw radar 3d imaging |
| url | http://dx.doi.org/10.1155/2021/5576782 |
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