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      Laguerre Wideband Beamforming Algorithm Based on Generalized Sidelobe Canceller

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          Abstract

          Compared with conventional FIR and IIR broadband beamformers, the Laguerre broadband beamformer based on the Frost structure can achieve perfect performance. However, it needs the optimal solution of the solo pole, and it suffers high computational complexity and slow convergence speed. To address these problems, a novel Laguerre wideband beamforming algorithm based on GSC is proposed. A novel solution of the poles based on the least square method with low computational complexity is presented on the basis of the GSC structure of a Laguerre wideband beamformer. Thereafter, the broadband beamformer is achieved using the normalized LMS method. The simulations illustrate that without the optimal process of adjusting the solo pole in the Laguerre broadband beamformer based on the Frost structure, the proposed method can ensure high output SINR, reduce the computational complexity, and improve the convergence speed.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 June 2015
          : 4
          : 3
          : 295-300
          Affiliations
          [1 ] School of Navigation and Aerospace Object Engineering, Information Engineering University
          Article
          e0f4ebabf01544c5916ae9d21c3c65c1
          10.12000/JR14104

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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