DOA ESTIMATION FOR NON-CIRCULAR SIGNAL WITH NESTED ARRAY | Zendy

Jing Zhao | Zendy; Sheng Liu | Zendy; Sihuan Que | Zendy; Qikui Zou | Zendy; Mengmei Ou | Zendy

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DOA ESTIMATION FOR NON-CIRCULAR SIGNAL WITH NESTED ARRAY

Author(s) -

Jing Zhao,

Sheng Liu,

Sihuan Que,

Qikui Zou,

Mengmei Ou

Publication year - 2019

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm19072501

Subject(s) - signal (programming language) , estimation , computer science , acoustics , mathematics , physics , engineering , programming language , systems engineering

A direction-of-arrival (DOA) estimation algorithm for non-circular signals with nested array is proposed. A closed formula is given to construct a partitioned fourth-order-cumulant (FOC) matrix by using the FOCs of received data. Then, an improved multiple signal classification (MUSIC) algorithm for non-circular signals (NC-MUSIC) based on FOC is introduced. The proposed algorithm shows higher estimation accuracy and angular resolution than some traditional NC-MUSIC algorithms, especially in the low SNR case. Some simulation experiments are proposed to prove the validity of the proposed algorithm.

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