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DOA Estimation with Array Antenna Under the Circumstance of Multiple Errors

  • Nanchi Su
  • Qing Guo
  • Xiuhong Wang
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 463)

Abstract

Direction of arrival (DOA) estimation is an important research direction of the array signal processing in many fields, such as radar, communications, sonar etc. which has very broad application prospects. However, in the processing of spatial spectrum estimation, the array errors including mutual errors and amplitude and phase errors are hard to be ignored, which may cause discrepancies between array manifold and hypothetical model, thus DOA algorithm performance model based on the ideal model decreases, which will affect the actual application of DOA algorithm. Therefore, it is significant to strengthen the stability of spatial spectrum estimation in actual application. They will be discussed in this paper including method of correcting errors under the circumstance that multiple errors exist at the same time. It is mainly about the common inconsistencies errors of amplitude and phase and array elements mutual coupling error, which are combined with MUSIC algorithm of subspace class used in uniform linear arrays (ULAs).

Keywords

DOA Array error Joint self-correcting MUSIC algorithm ULAs 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Harbin Institute of TechnologyHarbinChina

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