Research Article
Computationally Efficient 2D DOA Estimation for Cylindrical Conformal Array
@INPROCEEDINGS{10.1007/978-3-319-73317-3_63, author={Xiaoyu Lan and Yan Zou}, title={Computationally Efficient 2D DOA Estimation for Cylindrical Conformal Array}, proceedings={Advanced Hybrid Information Processing. First International Conference, ADHIP 2017, Harbin, China, July 17--18, 2017, Proceedings}, proceedings_a={ADHIP}, year={2018}, month={2}, keywords={Conformal antenna array Direction of arrival Interpolation technique Generalization propagator method Rank reduction algorithm}, doi={10.1007/978-3-319-73317-3_63} }- Xiaoyu Lan
Yan Zou
Year: 2018
Computationally Efficient 2D DOA Estimation for Cylindrical Conformal Array
ADHIP
Springer
DOI: 10.1007/978-3-319-73317-3_63
Abstract
A computationally efficient two-dimensional (2D) direction of arrival (DOA) estimation method based on cylindrical conformal antenna array is investigated in this paper. By dividing the entire array into several sub-arrays and transforming every sub-array to virtual uniform rectangular array (URA) via interpolation technique, the generalization propagator method (GPM) without eigen-decomposition is employed to estimate the noise subspace accurately and quickly. Furthermore, in order to lower the computational complexity of the 2D spectral peak searching, a rank reduction (RARE) method based on URA is utilized to solve the 2D DOAs by successive 1D spectrum functions. At last, some numerical simulations verified the superiority of the proposed method.
