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      A New Low-elevation Estimation Method Based on a General MUSIC Algorithm

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          Abstract

          Radar low-elevation estimation performance in the VHF band is severely influenced in the presence of multipath. To deal with this problem, this study first analyzes general MUSIC (MUltiple SIgnal Classification) and other algorithms, pointing out that the essential effectiveness of these algorithms is a weighting of the basic spectrum searching formula, which inhibits large spectrum values produced by a small angle. On this basis, this paper subsequently presents an elevation-estimating model via a general MUSIC algorithm and a new lowelevation angle estimation method, which utilizes a proper weight. Compared with existing methods, the new method has a higher probability of success and better performance. Simulation results verify the validity and correctness of this method and model.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2013
          : 2
          : 4
          : 422-429
          Affiliations
          [1 ] National Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences
          Article
          c3b28a91817c43a58e95378b9a056019
          10.3724/SP.J.1300.2013.13090

          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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