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为进一步提升机载多输入多输出（MIMO）雷达空时自适应处理（STAP）的杂波抑制与目标检测性能，本文提出基于极化阵列MIMO雷达的极化空时自适应处理（PSTAP）方法.首先，将新型的极化阵列应用于机载MIMO雷达，建立了机载极化阵列MIMO雷达极化空时自适应处理的信号模型.然后，基于分辨格思想，将杂波影响等效为与杂波自由度相关的独立杂波点源的形式，得到极化阵列MIMO雷达极化空时自适应处理协方差矩阵的等价表示.进而，结合上述等价协方差矩阵，对极化阵列MIMO雷达极化空时自适应处理的输出信杂噪比（SCNR）性能进行了推导分析，讨论了其中极化、空、时匹配系数的影响.理论分析表明，通过利用附加的极化域信息，极化阵列MIMO雷达极化空时自适应处理相比于传统MIMO-STAP能够有效提升杂波抑制性能，更有利于慢速运动目标检测，并且目标与杂波极化参数差别越大，输出SCNR的性能改善效果越明显.仿真结果验证了本文所提极化阵列MIMO雷达极化空时自适应处理方法的有效性与优越性.
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关键词:
- 机载多输入多输出雷达 /
- 极化阵列 /
- 极化空时自适应处理 /
- 信杂噪比分析
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[20] Zhang W, He Z S, Li J, Li C H 2015 IET Radar Sonar Navig. 9 772
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[22] Wu D J, Xu Z H, Xiong Z Y, Zhang L, Xiao S P 2012 Acta Electron. Sin. 40 1430 (in Chinese)[吴迪军, 徐振海, 熊子源, 张亮, 肖顺平 2012 电子学报 40 1430]
[23] Du W T, Liao G S, Yang Z W, Xin Z H 2014 Acta Electron. Sin. 42 523 (in Chinese)[杜文韬, 廖桂生, 杨志伟, 辛志慧 2014 电子学报 42 523]
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[29] Wang K R, Zhu X H, He J 2012 J. Electron. Inf. Technol. 34 160 (in Chinese)[王克让, 朱晓华, 何劲 2012 电子与信息学报 34 160]
[30] Li N, Cui G, Kong L, Liu Q H 2015 IET Radar Sonar Navig. 9 285
[31] Gogineni S, Nehorai A 2010 IEEE Trans. Signal Process. 58 1689
[32] Wu Y, Tang J, Peng Y N 2011 IEEE Trans. Aerosp. Electron. Syst. 47 569
[33] Zhang X D 2013 Matrix Analysis and Applications (Second Edition) (Beijing:Tsinghua University Press) pp26-72 (in Chinese)[张贤达 2013 矩阵分析与应用(第2版) (北京:清华大学出版社) 第26–72页]
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[1] Yang Y, Wang B Z, Ding S 2016 Chin. Phys. B 25 050101
[2] Du Z C, Tang B, Liu L X 2006 Chin. Phys. 15 2481
[3] Hai L, Zhang Y R, Pan C L 2013 Acta Phys. Sin. 62 238402 (in Chinese)[海凛, 张业荣, 潘灿林 2013 物理学报 62 238402]
[4] Bliss D W, Forsythe K W 2003 Proceedings of 37th Asilomar Conference on Signals, System, and Computers Pacific Grove, USA, November 9-12, 2003 p54
[5] Fishler E, Haimovich A, Blum R S, Chizhik D, Cimini L J, Valenzuela R 2004 Proceedings of IEEE Radar Conference Philadelphia, USA, April 26-29, 2004 p71
[6] Fishler E, Haimovich A, Blum R S, Cimini L J, Chizhik D, Valenzuela R 2006 IEEE Trans. Signal Process. 54 823
[7] Haimovich A, Blum R S, Cimini L J 2008 IEEE Signal Process. Mag. 25 116
[8] Li J, Stoica P 2007 IEEE Signal Process. Mag. 24 106
[9] Wen F Q, Zang G, Ben D 2015 Chin. Phys. B 24 110201
[10] Huang C, Sun D J, Zhang D L, Teng T T 2014 Acta Phys. Sin. 63 188401 (in Chinese)[黄聪, 孙大军, 张殿伦, 滕婷婷 2014 物理学报 63 188401]
[11] Wang T, Zhao Y J, Hu T 2015 J. Radars 4 136 (in Chinese)[王珽, 赵拥军, 胡涛 2015 雷达学报 4 136]
[12] Brennan L E, Reed I S 1973 IEEE Trans. Aerosp. Electron. Syst. 9 237
[13] Guerci J R 2003 Space Time Adaptive Processing for Radar (Norwood, MA:Artech House, Inc.) pp3-55
[14] Klemm R 2002 Principles of Space-Time Adaptive Processing (London:The Institution of Electrical Engineers) pp2-45
[15] Wang Y L, Peng Y N 2000 Space-Time Adaptive Processing (Beijing:Tsinghua University Press) pp1-9 (in Chinese)[王永良, 彭应宁 2000 空时自适应信号处理 (北京:清华大学出版社) 第1–9页]
[16] Wang Y L, Li T Q 2008 J. China Acad. Electron. Inf. Technol. 3 271 (in Chinese)[王永良, 李天泉 2008 中国电子科学研究院学报 3 271]
[17] Zhang L, Xu Y G 2015 Modern Radar 37 1 (in Chinese)[张良, 徐艳国 2015 现代雷达 37 1]
[18] Chen C Y, Vaidyanathan P P 2008 IEEE Trans. Signal Process. 56 623
[19] Wang W, Chen Z, Li X, Wang B 2016 IET Radar Sonar Navig. 10 459
[20] Zhang W, He Z S, Li J, Li C H 2015 IET Radar Sonar Navig. 9 772
[21] Wu D J, Xu Z H, Zhang L, Xiong Z Y, Xiao S P 2012 Prog. Electromagn. Res. 129 579
[22] Wu D J, Xu Z H, Xiong Z Y, Zhang L, Xiao S P 2012 Acta Electron. Sin. 40 1430 (in Chinese)[吴迪军, 徐振海, 熊子源, 张亮, 肖顺平 2012 电子学报 40 1430]
[23] Du W T, Liao G S, Yang Z W, Xin Z H 2014 Acta Electron. Sin. 42 523 (in Chinese)[杜文韬, 廖桂生, 杨志伟, 辛志慧 2014 电子学报 42 523]
[24] Zhao X B, Yan W, Wang Y Q, Lu W, Ma S 2014 Acta Phys. Sin. 63 218401 (in Chinese)[赵现斌, 严卫, 王迎强, 陆文, 马烁 2014 物理学报 63 218401]
[25] Xu Y G, Xu Z W, Gong X F 2013 Signal Processing Based on Polarization Sensitive Array (Beijing:Beijing Institute of Technology Press) pp1-21 (in Chinese)[徐友根, 刘志文, 龚晓峰 2013 极化敏感阵列信号处理 (北京:北京理工大学出版社) 第1–21页]
[26] Wang X S 2016 J. Radars 5 119 (in Chinese)[王雪松 2016 雷达学报 5 119]
[27] Gu C, He J, Li H, Zhu X 2013 Signal Process. 93 2103
[28] Zheng G M, Yang M L, Chen B X, Yang R X 2012 J. Electron. Inf. Technol. 34 2635 (in Chinese)[郑桂妹, 杨明磊, 陈伯孝, 杨瑞兴 2012 电子与信息学报 34 2635]
[29] Wang K R, Zhu X H, He J 2012 J. Electron. Inf. Technol. 34 160 (in Chinese)[王克让, 朱晓华, 何劲 2012 电子与信息学报 34 160]
[30] Li N, Cui G, Kong L, Liu Q H 2015 IET Radar Sonar Navig. 9 285
[31] Gogineni S, Nehorai A 2010 IEEE Trans. Signal Process. 58 1689
[32] Wu Y, Tang J, Peng Y N 2011 IEEE Trans. Aerosp. Electron. Syst. 47 569
[33] Zhang X D 2013 Matrix Analysis and Applications (Second Edition) (Beijing:Tsinghua University Press) pp26-72 (in Chinese)[张贤达 2013 矩阵分析与应用(第2版) (北京:清华大学出版社) 第26–72页]
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