Bias analysis of MUSIC in the presence of mutual coupling

Z.M. Liu; Z.T. Huang; Y.Y. Zhou

Bias analysis of MUSIC in the presence of mutual coupling

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Bias analysis of MUSIC in the presence of mutual coupling

Author(s): Z.M. Liu ; Z.T. Huang ; Y.Y. Zhou
DOI: 10.1049/iet-spr:20070213

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Author(s): Z.M. Liu ¹ ; Z.T. Huang ¹ ; Y.Y. Zhou ¹
- Affiliations: 1: Department of Electronic Science and Engineering, National University of Defense Technology of China, Changsha, People's Republic of China
Source: Volume 3, Issue 1, January 2009, p. 74 – 84
DOI: 10.1049/iet-spr:20070213 , Print ISSN 1751-9675, Online ISSN 1751-9683

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The effect of mutual coupling in antenna elements heavily deteriorates the performance of existing array-based bearing-finding methods. Such a bias of MUSIC in uniform and general linear arrays is analytically studied and an explicit expression of a relationship between this bias and the effect of mutual coupling together with the direction of the incident source is given. The biases of different arrays are also compared to provide a reference when choosing the right array under the considerable effect of mutual coupling.

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Bias analysis of MUSIC in the presence of mutual coupling

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