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Surface Shape Detection with a Single Far-Field Intensity by Combined Amplitude and Phase Retrieval
Jin, Huiliang1; Huang, Jianhui1; Ye, Qian1; Meng, Guoxiang1; Xiang, Binbin2; Wang, Na2
2019-08-18
Source PublicationINTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION
ISSN1687-5869
Volume2019Pages:7648604
Contribution Rank2
AbstractThe efficiency of a reflector antenna highly depends on its surface shape. In order to ensure a good convergence, the conventional phase retrieval based shape detection schemes require that several far-field intensities be scanned, focused, or defocused. For large reflector antennas, the scanning process is time consuming. This paper proposes a new shape detection method that requires only single far-field intensity. Unlike existing shape detection methods, it retrieves both the amplitude and the phase, based on the fact that a deformed shape causes change not only in the aperture phase but also in the aperture amplitude. Through even-odd decomposition analysis, it is found that in the case of small and smooth deformation, odd-phase and even-amplitude can be directly recovered from one focused far-field intensity. This leads to the recovery of both the odd and the even parts of the antenna surface shape simultaneously. By combining amplitude retrieval and phase retrieval, this work achieves for the first time the shape detection with only one scan.
DOI10.1155/2019/7648604
Indexed BySCI
Language英语
WOS KeywordREFLECTOR ANTENNAS ; DEFORMATION ; HOLOGRAPHY ; ALGORITHM
Funding ProjectNational Basic Research Program of China (973 program)[2015CB857100] ; Ministry of Science and Technology of the People's Republic of China[501100002855]
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000484701300001
PublisherHINDAWI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3034
Collection中国科学院新疆天文台
Corresponding AuthorJin, Huiliang
Affiliation1.Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, XinJiang Astron Observ, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Jin, Huiliang,Huang, Jianhui,Ye, Qian,et al. Surface Shape Detection with a Single Far-Field Intensity by Combined Amplitude and Phase Retrieval[J]. INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION,2019,2019:7648604.
APA Jin, Huiliang,Huang, Jianhui,Ye, Qian,Meng, Guoxiang,Xiang, Binbin,&Wang, Na.(2019).Surface Shape Detection with a Single Far-Field Intensity by Combined Amplitude and Phase Retrieval.INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION,2019,7648604.
MLA Jin, Huiliang,et al."Surface Shape Detection with a Single Far-Field Intensity by Combined Amplitude and Phase Retrieval".INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION 2019(2019):7648604.
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