Computationally efficient 2-D DOA estimation for uniform rectangular arrays

Wei Zhang, Wei Liu*, Ju Wang, Siliang Wu

*此作品的通讯作者

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摘要

A computationally efficient two-dimensional (2-D) direction-of-arrival (DOA) estimation method for uniform rectangular arrays is presented. A preprocessing transformation matrix is first introduced, which transforms both the complex-valued covariance matrix and the complex-valued search vector into real-valued ones. Then the 2-D DOA estimation problem is decoupled into two successive real-valued one-dimensional (1-D) DOA estimation problems with real-valued computations only. All these measures lead to significantly reduced computational complexity for the proposed method.

源语言英语
页(从-至)847-857
页数11
期刊Multidimensional Systems and Signal Processing
25
4
DOI
出版状态已出版 - 10月 2014

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Zhang, W., Liu, W., Wang, J., & Wu, S. (2014). Computationally efficient 2-D DOA estimation for uniform rectangular arrays. Multidimensional Systems and Signal Processing, 25(4), 847-857. https://doi.org/10.1007/s11045-013-0267-y