DOA ESTIMATION WITH SUB-ARRAY DIVIDED TECHNIQUE AND INTERPORLATED ESPRIT ALGORITHM ON A CYLINDRICAL CONFORMAL ARRAY ANTENNA | Zendy

Peng Yang | Zendy; Feng Yang | Zendy; Zaiping Nie | Zendy

Open Access

DOA ESTIMATION WITH SUB-ARRAY DIVIDED TECHNIQUE AND INTERPORLATED ESPRIT ALGORITHM ON A CYLINDRICAL CONFORMAL ARRAY ANTENNA

Author(s) -

Peng Yang,

Feng Yang,

Zaiping Nie

Publication year - 2010

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier10011904

Subject(s) - conformal antenna , antenna array , conformal map , algorithm , sensor array , antenna (radio) , computer science , acoustics , electronic engineering , mathematics , radiation pattern , engineering , physics , telecommunications , geometry , coaxial antenna , machine learning

A novel DOA flnding method for conformal array applications is proposed. By using sub-array divided and interpolation technique, ESPRIT-based algorithms can be used on conformal arrays for 1-D and 2-D DOA estimation. In this paper, the circular array mounted on a metallic cylindrical platform is divided to several sub- arrays, and each sub-array is transformed to virtual uniform linear array or virtual uniform planar array through interpolation technique. 1-D and 2-D direction of arrivals can be estimated accurately and quickly by using LS-ESPRIT and 2-D DFT-ESPRIT algorithms, respectively. This method can be applied not only to cylindrical conformal array but also to any other arbitrary curved conformal arrays. Validity of this method is proved by simulation results.

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