Low-complexity 2D coherently distributed sources decoupled DOAs estimation method
The existing directions-of-arrival （DOAs） estimation methods for two-dimensional （2D） coherently distributed sources need one- or two-dimensional search, and the computational complexities of them are high. In addition, most of them are designed for special angular signal distribution functions. As...
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| Veröffentlicht in: | Science China. Information sciences Jg. 52; H. 5; S. 835 - 842 |
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| Sprache: | Englisch |
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SP Science in China Press
01.05.2009
Springer Nature B.V |
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| ISSN: | 1009-2757, 1674-733X, 1862-2836, 1869-1919 |
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| Abstract | The existing directions-of-arrival （DOAs） estimation methods for two-dimensional （2D） coherently distributed sources need one- or two-dimensional search, and the computational complexities of them are high. In addition, most of them are designed for special angular signal distribution functions. As a result, their performances will degenerate when deal with different sources with different angular signal distribution functions or unknown angular signal distribution functions. In this paper, a low-complexity decoupled DOAs estimation method without searching using two parallel uniform linear arrays （ULAs） is proposed for coherently distributed sources, as well as a novel parameter matching method. It can resolve the problems mentioned above efficiently. Simulation results validate the effectiveness of our approach. |
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| AbstractList | The existing directions-of-arrival (DOAs) estimation methods for two-dimensional (2D) coherently distributed sources need one- or two-dimensional search, and the computational complexities of them are high. In addition, most of them are designed for special angular signal distribution functions. As a result, their performances will degenerate when deal with different sources with different angular signal distribution functions or unknown angular signal distribution functions. In this paper, a low-complexity decoupled DOAs estimation method without searching using two parallel uniform linear arrays (ULAs) is proposed for coherently distributed sources, as well as a novel parameter matching method. It can resolve the problems mentioned above efficiently. Simulation results validate the effectiveness of our approach. The existing directions-of-arrival （DOAs） estimation methods for two-dimensional （2D） coherently distributed sources need one- or two-dimensional search, and the computational complexities of them are high. In addition, most of them are designed for special angular signal distribution functions. As a result, their performances will degenerate when deal with different sources with different angular signal distribution functions or unknown angular signal distribution functions. In this paper, a low-complexity decoupled DOAs estimation method without searching using two parallel uniform linear arrays （ULAs） is proposed for coherently distributed sources, as well as a novel parameter matching method. It can resolve the problems mentioned above efficiently. Simulation results validate the effectiveness of our approach. |
| Author | GUO XianSheng WAN Qun YANG WanLin LEI XueMei |
| AuthorAffiliation | Department of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Cites_doi | 10.1049/iet-rsn:20060142 10.1049/ip-rsn:19960170 10.1016/S0165-1684(03)00103-8 10.1360/02yf0520 10.1109/78.414777 |
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| Copyright | Science in China Press and Springer-Verlag GmbH 2009 Science in China Press and Springer-Verlag GmbH 2009. |
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| Keywords | uniform linear array quadric rotational invariance property (QRIP) direction-of-arrival (DOA) decoupled estimation 2D coherently distributed source |
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| References | Liu, Mendal (CR9) 1998; 46 Valaee, Champagne, Kabal (CR2) 1995; 43 Wang, Wang, Chen (CR1) 1995; 47 CR7 Wan, Yang (CR4) 2000; 27 Guo, Wan, Wu (CR6) 2007; 1 Meng, Stoica, Wong (CR3) 1996; 143 Wan, Yang (CR5) 2001; 29 Lee, Song, Kwon (CR8) 2003; 83 Y. Meng (25_CR3) 1996; 143 X. S. Guo (25_CR6) 2007; 1 25_CR7 S. Valaee (25_CR2) 1995; 43 Q. Wan (25_CR4) 2000; 27 B. H. Wang (25_CR1) 1995; 47 T. H. Liu (25_CR9) 1998; 46 Q. Wan (25_CR5) 2001; 29 J. Lee (25_CR8) 2003; 83 |
| References_xml | – volume: 29 start-page: 730 issue: 6 year: 2001 end-page: 732 ident: CR5 article-title: Approach for direction of arrival estimation with sensor gain uncertainties publication-title: Acta Electr Sin – volume: 1 start-page: 261 issue: 4 year: 2007 end-page: 265 ident: CR6 article-title: Parameters localization of coherently distributed sources based on sparse signal representation publication-title: IET Radar Sonar Navig doi: 10.1049/iet-rsn:20060142 – volume: 143 start-page: 1 issue: 2 year: 1996 end-page: 9 ident: CR3 article-title: Estimation of the directions of arrival of spatially dispersed signals in array signal processing publication-title: Proc Inst Elect Eng-Radar, Sonar Navigation doi: 10.1049/ip-rsn:19960170 – volume: 46 start-page: 2061 issue: 2 year: 1998 end-page: 2065 ident: CR9 article-title: Azimuth and elevation direction finding using arbitrary array geometries publication-title: IEEE Trans Signal Process – ident: CR7 – volume: 83 start-page: 1789 year: 2003 end-page: 1802 ident: CR8 article-title: Low-complexity estimation of 2D DOA for coherently distributed sources publication-title: Signal Proc doi: 10.1016/S0165-1684(03)00103-8 – volume: 47 start-page: 348 issue: 3 year: 1995 end-page: 361 ident: CR1 article-title: Robust DOA estimation and array calibration in the presence of mutual coupling for uniform linear array publication-title: Sci China Ser F-Inf Sci doi: 10.1360/02yf0520 – volume: 43 start-page: 2144 issue: 9 year: 1995 end-page: 2153 ident: CR2 article-title: Parametric localization of distributed sources publication-title: IEEE Trans Signal Process doi: 10.1109/78.414777 – volume: 27 start-page: 115 issue: 2 year: 2000 end-page: 119 ident: CR4 article-title: Approach for 1-dimensional direction of arrival estimation of coherently distributed sources in noise publication-title: Signal Process China – volume: 1 start-page: 261 issue: 4 year: 2007 ident: 25_CR6 publication-title: IET Radar Sonar Navig doi: 10.1049/iet-rsn:20060142 – ident: 25_CR7 – volume: 29 start-page: 730 issue: 6 year: 2001 ident: 25_CR5 publication-title: Acta Electr Sin – volume: 43 start-page: 2144 issue: 9 year: 1995 ident: 25_CR2 publication-title: IEEE Trans Signal Process doi: 10.1109/78.414777 – volume: 143 start-page: 1 issue: 2 year: 1996 ident: 25_CR3 publication-title: Proc Inst Elect Eng-Radar, Sonar Navigation – volume: 46 start-page: 2061 issue: 2 year: 1998 ident: 25_CR9 publication-title: IEEE Trans Signal Process – volume: 47 start-page: 348 issue: 3 year: 1995 ident: 25_CR1 publication-title: Sci China Ser F-Inf Sci doi: 10.1360/02yf0520 – volume: 27 start-page: 115 issue: 2 year: 2000 ident: 25_CR4 publication-title: Signal Process China – volume: 83 start-page: 1789 year: 2003 ident: 25_CR8 publication-title: Signal Proc doi: 10.1016/S0165-1684(03)00103-8 |
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| Snippet | The existing directions-of-arrival （DOAs） estimation methods for two-dimensional （2D） coherently distributed sources need one- or two-dimensional search,... The existing directions-of-arrival (DOAs) estimation methods for two-dimensional (2D) coherently distributed sources need one- or two-dimensional search, and... |
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| SubjectTerms | Coherence Complexity Computer Science Direction of arrival Distribution functions Information Systems and Communication Service Linear arrays Signal distribution 二维分布 估计方法 分布函数 变质处理 差分吸收光谱 计算复杂性 |
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