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Online Antenna-Pulse Selection for STAP by Exploiting Structured Covariance Matrix
Fengde JIA Zishu HE Yikai WANG Ruiyang LI
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2019/01/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Digital Signal Processing
space time adaptive processing, antenna-pulse selection, clutter covariance matrix estimation, structured matrix,
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In this paper, we propose an online antenna-pulse selection method in space time adaptive processing, while maintaining considerable performance and low computational complexity. The proposed method considers the antenna-pulse selection and covariance matrix estimation at the same time by exploiting the structured clutter covariance matrix. Such prior knowledge can enhance the covariance matrix estimation accuracy and thus can provide a better objective function for antenna-pulse selection. Simulations also validate the effectiveness of the proposed method.