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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 李枝宏(Ju-Hong Lee) | |
dc.contributor.author | Po-Yi Lin | en |
dc.contributor.author | 林柏怡 | zh_TW |
dc.date.accessioned | 2021-06-15T11:53:49Z | - |
dc.date.available | 2021-08-24 | |
dc.date.copyright | 2016-08-24 | |
dc.date.issued | 2016 | |
dc.date.submitted | 2016-08-11 | |
dc.identifier.citation | [1] Bin Liao, 'Adaptive beamforming for uniform linear arrays with unknown mutual coupling, ' IEEE Antennas and Wireless Propagation Letters, vol.11, no. 2, pp. 464-467, Jan. 2012.
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Wang, 'On robust capon beamforming and diagonal loading, ' IEEE Transactions on Signal Processing, vol. 51, no. 7, pp. 1702-1715, Jul. 2003. [14] I. J. Gupta and A. A. Ksienski, 'Effect of mutual coupling on the performance of adaptive arrays, ' IEEE Transactions on Antennas and Propagation, vol. 31, no. 5, pp. 785-791, Sep. 1983. [15] T.-J. Shan, M. Wax and T. Kailath, 'On spatial smoothing for direction-of-arrival estimation of coherent signals, ' IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 33, no. 4, pp. 806-811, Aug. 1985. [16] C.-C. Huang and J.-H. Lee, 'Robust adaptive beamforming using a fully data-dependent loading technique, 'Progress In Electromagnetics Research B, vol. 37, pp. 307-325, Jan. 2012. [17] 廖敬瑋, 在非理想環境下使用改良式廣義旁瓣消除器之強健式可適性波束成型技術, 國立台灣大學電信工程學研究所碩士論文, 2015. [18] R. T. Comptom, Jr., ADAPTIVE ANTENNA, CONCEPT AND PERFORMANCE, Englewood Gliffs, NEW YORK, 1988. [19] R. A. Monzingo and T. W. Miller, Introduction to Adaptive Arrays. 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Kabal, 'Parametric localization of distributed sources, ' IEEE Transactions on Signal Processing, vol. 43, no. 9, pp. 2144-2153, Sep. 1995. [25] J. Goldberg and H. Messer, 'Inherent limitations in the localization of a coherently scattered source, ' IEEE Transactions on Signal Processing, vol. 46, no. 12, pp. 3441-3444, Dec. 1998. [26] S.Shahbazpanahi, S. Valaee and A.B.Gershman, 'A covariance fitting approach to parametric localization of multiple incoherently distributed sources, ' IEEE Transactions on Signal Processing, vol. 3, pp. 592-600, Mar. 2004. [27] S. A. Vorobyov, A. B. Gershman and Z.-Q Luo, 'Robust adaptive beamforming using worst-case performance optimization: a solution to the signal mismatch problem, ' IEEE Transactions on Signal Processing, vol. 51, no. 2, pp. 313-324, Feb. 2003. [28] S. Shahbazanahi, A. B. Gershman, Z. Q.Luo, and K. M. Wong, 'Robust adaptive beamforming for general-rank signal models, 'IEEE Transactions on Signal Processing, vol. 51, no. 9, pp.2257-2269, Sep. 2003. [29] J. Ringelstein, A. B. Gershman, and J. F. Bohme, 'Direction finding in random inhomogeneous media in the presence of multiplicative noise, ' IEEE Signal Processing Letters, vol. 7, no. 10, pp. 269-272, Oct. 2000. [30] S. Durrani and M. E. Bialkowski, 'Effect of mutual coupling on the interference rejection capabilities of linear and circular arrays in CDMA systems, ' IEEE Transactions on Antennas and Propagation, vol. 52, no. 4, pp. 1130-1134, Apr. 2004. [31] W. Zhou, D. Zhang, Y.Lin and Z. Zhou, 'An Improved Scheme to suppress coherent interference in LCMV adaptive array, 'in Proc. International Conference on Communications, Circuits and Systems Proceedings, vol. 2, Guilin, China, 25-28 June 2006, pp. 988-992. [32] S. Haykin, Adaptive Filter Theory, 3-rd ed, Englewood Cliffs, NJ, USA: Prentice-Hall, 1996. [33] P.D. Anderson and M.A. Ingram, 'The performance of the least mean squares algorithm combined with spatial smoothing, ' IEEE Transactions on Signal Processing, vol. 45, no. 4, pp. 1005-1012, Apr. 1997. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/49870 | - |
dc.description.abstract | 可適性波束成型技術主要是用來提取欲接收信號並消除干擾信號和雜訊的技術,其中LCMV(Linearly Constrained Minimum Variance)波束成型器與廣義旁波瓣消除器(Generalized Sidelobe Canceller)更是此領域相當重要的技術,這種技術需要的已知資訊為欲接收信號的入射角方向。
本論文主要針對修改傳統廣義旁波瓣消除器(GSC),提出新型廣義旁波瓣消除器(NBMGSC),藉由結合雜訊阻隔矩陣與改良式廣義旁波瓣消除器(MGSC)所提出來的架構。而這種方法,不僅使強健性演算法複雜度降低,加入了雜訊阻隔矩陣後,更降低誤差進而提升了效能,此外我們也將已提出的強健式演算法與新型廣義旁波瓣消除器作結合,使得運算複雜度降低及效能提升以對抗多重的非理想環境。 在非理想環境中我們考量到更複雜的非理想環境情形,而其中包含單一非理想環境:指引向量誤差(Steering Vector Mismatch)、已知天線耦合效應(Mutual Coupling Effect)、未知天線耦合效應(Unknown Mutual Coupling Effect)及同調環境(Coherent Environment),以及結合上述單一非理想環境所組合出之多重非理想環境。我們所提出的解決方法,仍可以解決在多重非理想環境下的情形。 | zh_TW |
dc.description.abstract | Adaptive array beamforming is the technique which can not only extracts signals of interest from specific angles but also suppresses interferences and noise. LCMV(Linearly Constrained Minimum Variance) beamformer and GSC(Generalized Sidelobe Canceller) are the important techniques in the antenna array signal processing which need the direction of the desired signal as a priori information.
The main part of this thesis is to modify GSC(Generalized Sidelobe Canceller) and then proposes the NBMGSC (Noise Block Modified Generalized Sidelobe Canceller) by combining noise block matrix and MGSC(Modified Generalized Sidelobe Canceller). This approach can not only decreases the computational complexity but also suppresses the interference to improve the system performance. We also let NBMGSC(Noise Block Modified Generalized Sidelobe Canceller) combine with the proposed robustness algorithms. It can decrease the computational complexity and improve the system performance to against the multiple non-ideal environments. For the non-ideal environments, it includes steering vector mismatch, coherent environment, mutual coupling effect and unknown mutual coupling and then we combine the above non-ideal environments and we use the proposed method to against the multiple non-ideal environments. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T11:53:49Z (GMT). No. of bitstreams: 1 ntu-105-R03942069-1.pdf: 3915166 bytes, checksum: 9d3af0c7bf898043ab2a79bd82a5cdd7 (MD5) Previous issue date: 2016 | en |
dc.description.tableofcontents | 致謝 I
摘要 II ABSTRACT III 第一章 緒論 1 1.1研究背景 1 1.2研究動機 2 1.3論文架構 2 第二章 天線陣列信號處理之數學基礎及基本概念 4 2.1 天線陣列基本架構及數學模型 4 2.1.1 一維天線陣列 4 2.1.2 自相關矩陣介紹 5 2.2 傳統可適性波束成型技術 6 2.3廣義旁波瓣消除器(Generalized Sidelobe Canceller) 7 2.4改良式廣義旁波瓣消除器(Modified Generalized Sidelobe Canceller) 8 第三章 對抗單一非理想環境之強健式波束成型技術 14 3.1 簡介 14 3.2 同調信號抵銷現象 14 3.3 已知天線耦合現象 16 3.4未知天線耦合現象 17 3.5指引向量誤差描述 17 3.6 波束成型技術的相關文獻回顧 19 3.6.1 特徵空間投影法(Eigenspace-based beamformer) 19 3.6.2 完全資料相依負載法(Fully Data-Dependent Loading Technique) 20 3.6.3 空間平均法(Spatial Smoothing Method) 21 3.6.4 FASS(Full array Spatial Smoothing Method) 22 3.6.5 MethodI 22 3.7 本論文所提出的新方法 23 3.7.1新型廣義旁波瓣消除器(NBMGSC) 23 3.7.2新型廣義旁波瓣消除器配合空間平均法(FASS-NBMGSC) 28 3.8實驗模擬分析 30 3.9實驗討論 46 第四章 對抗兩個非理想環境之強健式波束成型技術 48 4.1 簡介 48 4.2波束成型技術的相關文獻回顧 48 4.2.1 空間平均法(Spatial Smoothing Method) 48 4.2.2 FASS(Full array Spatial Smoothing Method) 49 4.2.3空間平均法結合特徵空間投影法(FASS-ESB) 50 4.2.4 空間平均法結合完全資料相依負載法(FASS-FDDL) 52 4.2.5 FASS-MethodI 53 4.3 本論文所提出的新方法 55 4.3.1新型廣義旁波瓣消除器(NBMGSC) 55 4.3.2新型廣義旁波瓣消除器配合空間平均法(FASS-NBMGSC) 59 4.4實驗模擬分析 61 4.5實驗討論 75 第五章 對抗三個非理想環境組合之強健式波束成型技術 77 5.1 簡介 77 5.2波束成型技術的相關文獻回顧 77 5.2.1空間平均法結合特徵空間投影法(FASS-ESB) 77 5.2.2 空間平均法結合完全資料相依負載法(FASS-FDDL) 79 5.2.3 FASS-MethodI 80 5.3 本論文所提出的新方法 82 5.3.1新型廣義旁波瓣消除器配合空間平均法(FASS-NBMGSC) 82 5.4實驗模擬分析 84 5.5實驗討論 103 第六章 在同調與指引向量誤差下提出之強健式波束成型技術 104 6.1 簡介 104 6.2 FASS-NBMGSC(methodI) 104 6.3 FASS-NBMGSC(methodII) 106 6.4實驗模擬分析 108 6.5實驗討論 141 第七章 在同調環境下結合LMS方法提出之強健式波束成型技術 142 7.1 簡介 142 7.2 GSC結合LMS 演算法 142 7.3 FASS-NBMGSC 結合LMS演算法 143 7.4實驗模擬分析 146 7.5實驗討論 155 第八章 總結及未來方向 156 參考資料 157 | |
dc.language.iso | zh-TW | |
dc.title | 在非理想環境下基於新型廣義旁波瓣消除器之強健可適性波束成型技術 | zh_TW |
dc.title | Robust Adaptive Beamforming using A New Generalized Sidelobe Canceller Under Non-ideal Environment | en |
dc.type | Thesis | |
dc.date.schoolyear | 104-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 謝宏昀(Hung-Yun Hsieh),方文賢(Wen-Hsien Fang),劉玉蓀(Yu-Sun Liu),陳巽璋(Shiunn-jang Chern) | |
dc.subject.keyword | 強健式波束成型技術,陣列信號處理,廣義旁波瓣消除器,未知天線耦合效應,信號同調,指引向量誤差,已知天線耦合效應, | zh_TW |
dc.subject.keyword | Robust Array Beamforming,Array Signal Processing,Generalized side-lobe canceller (GSC),Unknown Mutual Coupling Effect,Coherent Environment,Steering vector mismatch,Mutual Coupling Effect, | en |
dc.relation.page | 160 | |
dc.identifier.doi | 10.6342/NTU201602054 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2016-08-11 | |
dc.contributor.author-college | 電機資訊學院 | zh_TW |
dc.contributor.author-dept | 電信工程學研究所 | zh_TW |
顯示於系所單位: | 電信工程學研究所 |
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