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检索条件"主题词=Omega-K algorithm"
45 条 记 录,以下是1-10 订阅
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An Extended omega-k algorithm for Automotive SAR with Curved Path
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REMOTE SENSING 2024年 第23期16卷 4508-4508页
作者: Guo, Ping Li, Chao Li, Haolan Luan, Yuchen Wang, Anyi Wang, Rongshu Tang, Shiyang Xian Univ Sci & Technol Xian Key Lab Network Convergence Commun Xian 710054 Peoples R China Chinese Acad Sci Aerosp Informat Res Inst Beijing 100101 Peoples R China Xidian Univ Natl Key Lab Radar Signal Proc Xian 710071 Peoples R China
Automotive millimeter-wave (MMW) synthetic aperture radar (SAR) systems can achieve high-resolution images of detection areas, providing environmental perceptions that facilitate intelligent driving. However, curved p... 详细信息
来源: 评论
A MODIFIED omega-k algorithm BASED ON A RANGE EQUIVALENT MODEL FOR GEO SPACEBORNE-AIRBORNE BISAR IMAGING
A MODIFIED OMEGA-K ALGORITHM BASED ON A RANGE EQUIVALENT MOD...
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IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
作者: Guo, Yiyu Huang, Penghui Xi, Peili Liu, Xingzhao Liao, Guisheng Chen, Guozhong Liu, Yanyang Lin, Xin Shanghai Jiao Tong Univ Sch Elect Informat & Elect Engn Shanghai Peoples R China Inst Shanghai Satellite Engineer Shanghai Peoples R China Xidian Univ Natl Lab Radar Signal Proc Xian Peoples R China
Geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO-BiSAR) has the advantages of wide beam coverage, long exposure time, and superior system flexibility. However, it is a challenge for GEO-BiSAR ... 详细信息
来源: 评论
A Fast omega-k algorithm for Near-Field 3-D Imaging of MIMO Synthetic Aperture Radar Data
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IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2021年 第8期18卷 1431-1435页
作者: Tan, kai Natl Univ Singapore Dept Elect & Comp Engn Singapore 117583 Singapore
Multiple-input-multiple-output synthetic aperture radar (MIMO-SAR) is being studied and used in more and more sensing applications. However, to deal with large-size scanning data without acceleration technology, there... 详细信息
来源: 评论
A Modified Range Model and Extended omega-k algorithm for High-Speed-High-Squint SAR With Curved Trajectory
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IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2023年 61卷 1页
作者: Zhang, Tinghao Li, Yachao Wang, Jun Xing, Mengdao Guo, Liang Zhang, Peng Xidian Univ Natl Lab Radar Signal Proc Xian 710071 Peoples R China Xidian Univ Collaborat Innovat Ctr Informat Sensing & Understa Xian 710071 Peoples R China
An accurate range model with acceleration, the coupling phase terms, and spatial-variant (SV) Doppler parameters are the main issues to be solved in high-speed-high-squint synthetic aperture radar (HSHS-SAR) with a cu... 详细信息
来源: 评论
A modified omega-k algorithm for squint circular trace scanning SAR using improved range model
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SIGNAL PROCESSING 2019年 160卷 59-65页
作者: Liao, Yi Wang, Wen-Qin Xing, Mengdao Univ Elect Sci & Technol China Sch Informat & Commun Engn Chengdu 611731 Sichuan Peoples R China Xidian Univ Natl Lab Radar Signal Proc Xian 710071 Shaanxi Peoples R China
For squint circular trace scanning SAR (CTSSAR), the circular flight trajectory and squint angle make the conventional hyperbolic range model (CHRM) hard to accurately represent the true range history. Traditional fre... 详细信息
来源: 评论
omega-k algorithm Implementation for Linear Frequency Modulated-Continous Wave SAR Signal Processing
Omega-k Algorithm Implementation for Linear Frequency Modula...
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IEEE International Congress on Electronics, Electrical Engineering and Computing (INTERCON)
作者: Jhohan Jancco Chara Facundo Palomino Quispe Roger Jesus Coaquira Castillo Mark Clemente-Arenas Escuela Profesional de Ingeniería Electrónica Universidad Nacional de San Antonio Abad del Cusco Cusco Peru Grupo de Circuitos y Sistemas Electronicos de Alta Frecuencia ECS- HF Universidad Nacional Tecnológica de Lima Sur UNTELS Lima Peru
The omega-k algorithm is used for SAR systems due to the precision on focus quality in SAR raw signal. However, it is little explored for specific SAR systems such as Linear Frequency Modulated Continuous Wave LFM-CW ... 详细信息
来源: 评论
Focusing Bistatic Forward-looking SAR Images use omega-k algorithm based on Modified Hyperbolic Approximating  8
Focusing Bistatic Forward-looking SAR Images use Omega-k alg...
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8th International Conference on Control, Automation and Information Sciences (ICCAIS)
作者: Zhang, Xiaohu Gu, Hong Su, Weimin Nanjing Univ Sci & Technol Dept Elect Engn & Optoelect Technol Nanjing Peoples R China
Forward-looking imaging has many potential applications, such as self-landing, navigation, etc. This paper shows a modified hyperbolic approximating method for bistatic forward-looking SAR imaging. Compared with the o... 详细信息
来源: 评论
omega-k algorithm BASED ON SERIES REVERSION AND LEAST SQUARE FOR HIGH-RESOLUTION SPACEBORNE SAR  38
OMEGA-K ALGORITHM BASED ON SERIES REVERSION AND LEAST SQUARE...
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38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
作者: Yang, Mingdong Zhu, Daiyin Xu, Fan Nanjing Univ Aeronaut & Astronaut Coll Elect & Informat Engn Key Lab Radar Imaging & Microwave Photon Minist Educ Nanjing Jiangsu Peoples R China
When processing high-resolution spaceborne synthetic aperture radar (SAR) data, the orbit curvature is a key aspect that must be taken into account. The non-hyperbolic range history makes most SAR imaging approaches n... 详细信息
来源: 评论
Generalized omega-k algorithm for Geosynchronous SAR Image Formation
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IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 2015年 第11期12卷 2286-2290页
作者: Hu, Bin Jiang, Yicheng Zhang, Shunsheng Zhang, Yun Yeo, Tat-Soon Harbin Inst Technol Harbin 150001 Peoples R China Univ Elect Sci & Technol China Chengdu 611731 Peoples R China Natl Univ Singapore Singapore 117583 Singapore
Geosynchronous synthetic aperture radar (GEO SAR) data focusing is a more challenging and difficult task than the low earth orbit (LEO) SAR due to the strong 2-D coupling of echo signal induced by the orbital trajecto... 详细信息
来源: 评论
An omega-k algorithm for Translational Invariant Bistatic SAR Based on Generalized Loffeld's Bistatic Formula
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IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 2014年 第10期52卷 6699-6714页
作者: Wu, Junjie Li, Zhongyu Huang, Yulin Yang, Jianyu Liu, Qing Huo Univ Elect Sci & Technol China Sch Elect Engn Chengdu 611731 Peoples R China Duke Univ Dept Elect & Comp Engn Durham NC 27708 USA
In this paper, an omega-k imaging algorithm to focus the raw data of translational invariant (TI) bistatic synthetic aperture radar (BSAR) is proposed. The method utilizes a point target reference spectrum of generali... 详细信息
来源: 评论