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To examine the single-photon quantum radar cross-section of cylindrical surface and its specific advantages over the classical radar cross-section, a photon wave function in which the distance vectors causing interference are decomposed is introduced in this study. A closed-form expression of the single-photon quantum radar cross-section of cylindrical surface is derived. The influences of the length and curvature radius of cylindrical surfaces with different electrical sizes are analyzed, and the closed-form expressions of the quantum and classical radar cross-sections of cylindrical surface are compared with each other. The analyses of the closed-form expression and simulation results show that the electrical length of the cylindrical surface determines the number of side lobes of the quantum radar cross-section; meanwhile, the curvature radius has a linear relation with the overall strength of the quantum radar cross-section, and the electrical size of the curvature radius determines the envelope of the quantum radar cross-section curve. Compared with the classical radar cross-section, the quantum radar cross-section of a cylindrical surface has the advantage of side-lobe enhancement, which is beneficial for detecting stealth targets.
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Keywords:
- quantum radar /
- cylindrical surface /
- quantum radar cross section /
- quantum detection
[1] Jiang K, Lee H, Gerry C C, Dowling J P 2013 J. Appl. Phys. 114 2733
Google Scholar
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[4] Brandsema M J, Narayanan R M, Lanzagorta M 2017 Quantum Inf. Process. 16 32
Google Scholar
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Google Scholar
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Google Scholar
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Google Scholar
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Google Scholar
[9] Fang C, Hui T, Liu Q F, Li T, Long X, Chen Y J, Liang H 2018 IEEE Photon. J. 10 1
Google Scholar
[10] 徐泽华, 李伟, 许强, 郑家毅 2018 光子学报 47 141
Google Scholar
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Google Scholar
[11] Liu K, Xiao H, Fan Q 2014 IEEE Photonics Technol. Lett. 26 1146
Google Scholar
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Google Scholar
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Google Scholar
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Google Scholar
[15] [16] Fang C 2019 IEEE Access 7 141055
Google Scholar
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图 1 圆柱曲面的几何结构
Figure 1. Geometry of cylindrical surface.
图 2 在圆柱曲面表面原子到雷达矢量的分解示意图
Figure 2. Schematic diagram of atom-to-radar vector decomposition on cylindrical surface.
图 3 封闭表达式计算和数值模拟的圆柱曲面QRCS
Figure 3. The QRCS of closed-form expression and numerical calculation for cylindrical surface.
图 4 不同电尺寸圆柱曲面长度的QRCS
Figure 4. The QRCS of cylindrical surfaces with the lengths of different electrical sizes.
图 5 圆柱曲面QRCS曲线及其包络曲线和周期变化曲线
Figure 5. The QRCS of cylindrical surface and its envelope curve and periodic change curve.
图 6 不同电尺寸圆柱曲面曲率半径的QRCS
Figure 6. The QRCS of cylindrical surfaces with the curvature radii of different electrical sizes.
图 7 不同电尺寸圆柱曲面曲率半径的QRCS包络曲线
Figure 7. Envelope curves of the QRCS of cylindrical surfaces with the curvature radii of different electrical sizes.
图 8 圆柱曲面QRCS与CRCS的对比
Figure 8. Comparison between the QRCS and the CRCS of cylindrical surfaces.
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[1] Jiang K, Lee H, Gerry C C, Dowling J P 2013 J. Appl. Phys. 114 2733
Google Scholar
[2] Lloyd S 2008 Science 321 1463
Google Scholar
[3] Lanzagorta M 2010 SPIE Photonics Europe, Brussels, April 12−16, 2010 p77270
[4] Brandsema M J, Narayanan R M, Lanzagorta M 2017 Quantum Inf. Process. 16 32
Google Scholar
[5] Brandsema M J, Lanzagorta M, Narayanan R M 2020 IEEE Aero. El. Sys. Mag. 35 58
Google Scholar
[6] Kang L, Xiao H T, Fan H Q 2014 Chin. Phys. Lett. 31 034202
Google Scholar
[7] 徐世龙, 胡以华, 赵楠翔, 王阳阳, 李乐, 郭力仁 2015 物理学报 64 154203
Google Scholar
Xu S L, Hu Y H, Zhao N X, Wang Y Y, Li L, Guo L R 2015 Acta Phys. Sin. 64 154203
Google Scholar
[8] Fang C 2019 IEEE Sensors J. 20 2348
Google Scholar
[9] Fang C, Hui T, Liu Q F, Li T, Long X, Chen Y J, Liang H 2018 IEEE Photon. J. 10 1
Google Scholar
[10] 徐泽华, 李伟, 许强, 郑家毅 2018 光子学报 47 141
Google Scholar
Xu Z H, Li W, Xu Q, Zheng J Y 2018 Acta Photon. Sin. 47 141
Google Scholar
[11] Liu K, Xiao H, Fan Q 2014 IEEE Photonics Technol. Lett. 26 1146
Google Scholar
[12] 陈坤, 陈树新, 吴德伟, 王希, 史密 2016 光学学报 36 1227002
Google Scholar
Chen K, Chen S X, Wu D W, Wang X, Shi M 2016 Acta Opt. Sin. 36 1227002
Google Scholar
[13] [14] Fang C 2017 IEEE Photon. J. 10 1
Google Scholar
[15] [16] Fang C 2019 IEEE Access 7 141055
Google Scholar
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