The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
위치를 알 수 없는 소스를 이용한 선형 배열의 오프라인 센서 이득-위상 오차 교정 방법을 제안한다. 제안하는 방법은 세 단계를 거쳐 구현된다. 먼저, 관찰된 공분산 행렬을 기반으로 방향과 관련된 함수를 구성하고, 함수가 최소값을 취하면 해당 값이 교정 소스의 방향이 되어야 함을 증명합니다. 둘째, 구성된 함수로부터 계곡의 위치를 찾아 교정 소스의 방향을 추정합니다. 셋째, 추정된 방향을 바탕으로 이득위상 오차를 구한다. 제안된 방법은 여러 가지 장점을 제공합니다. 첫째, 교정 소스의 정확한 방향 측정이 필요하지 않습니다. 둘째, 하나의 교정 소스만 배열하면 됩니다. 셋째, 반복 절차나 2차원(XNUMXD) 스펙트럼 검색이 필요하지 않습니다. 넷째, 이 방법은 ULA(Uniform Linear Array)뿐만 아니라 선형 배열에도 적용 가능합니다. 제안된 방법의 효율성을 검증하기 위해 수치 시뮬레이션을 제시합니다.
Zheng DAI
Nanjing University of Science and Technology
Weimin SU
Nanjing University of Science and Technology
Hong GU
Nanjing University of Science and Technology
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부
Zheng DAI, Weimin SU, Hong GU, "A Calibration Method for Linear Arrays in the Presence of Gain-Phase Errors" in IEICE TRANSACTIONS on Fundamentals,
vol. E103-A, no. 6, pp. 841-844, June 2020, doi: 10.1587/transfun.2019EAL2160.
Abstract: An offline sensor gain-phase errors calibration method for a linear array using a source in unknown location is proposed. The proposed method is realized through three steps. First, based on the observed covariance matrix, we construct a function related to direction, and it is proved that when the function takes the minimum value, the corresponding value should be the direction of the calibration source. Second, the direction of calibration source is estimated by locating the valley from the constructed function. Third, the gain-phase errors are obtained based on the estimated direction. The proposed method offers a number of advantages. First, the accurate direction measurement of the calibration source is not required. Second, only one calibration source needs to be arranged. Third, it does not require an iterative procedure or a two-dimensional (2D) spectral search. Fourth, the method is applicable to linear arrays, not only to uniform linear arrays (ULAs). Numerical simulations are presented to verify the efficacy of the proposed method.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/transfun.2019EAL2160/_p
부
@ARTICLE{e103-a_6_841,
author={Zheng DAI, Weimin SU, Hong GU, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={A Calibration Method for Linear Arrays in the Presence of Gain-Phase Errors},
year={2020},
volume={E103-A},
number={6},
pages={841-844},
abstract={An offline sensor gain-phase errors calibration method for a linear array using a source in unknown location is proposed. The proposed method is realized through three steps. First, based on the observed covariance matrix, we construct a function related to direction, and it is proved that when the function takes the minimum value, the corresponding value should be the direction of the calibration source. Second, the direction of calibration source is estimated by locating the valley from the constructed function. Third, the gain-phase errors are obtained based on the estimated direction. The proposed method offers a number of advantages. First, the accurate direction measurement of the calibration source is not required. Second, only one calibration source needs to be arranged. Third, it does not require an iterative procedure or a two-dimensional (2D) spectral search. Fourth, the method is applicable to linear arrays, not only to uniform linear arrays (ULAs). Numerical simulations are presented to verify the efficacy of the proposed method.},
keywords={},
doi={10.1587/transfun.2019EAL2160},
ISSN={1745-1337},
month={June},}
부
TY - JOUR
TI - A Calibration Method for Linear Arrays in the Presence of Gain-Phase Errors
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 841
EP - 844
AU - Zheng DAI
AU - Weimin SU
AU - Hong GU
PY - 2020
DO - 10.1587/transfun.2019EAL2160
JO - IEICE TRANSACTIONS on Fundamentals
SN - 1745-1337
VL - E103-A
IS - 6
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - June 2020
AB - An offline sensor gain-phase errors calibration method for a linear array using a source in unknown location is proposed. The proposed method is realized through three steps. First, based on the observed covariance matrix, we construct a function related to direction, and it is proved that when the function takes the minimum value, the corresponding value should be the direction of the calibration source. Second, the direction of calibration source is estimated by locating the valley from the constructed function. Third, the gain-phase errors are obtained based on the estimated direction. The proposed method offers a number of advantages. First, the accurate direction measurement of the calibration source is not required. Second, only one calibration source needs to be arranged. Third, it does not require an iterative procedure or a two-dimensional (2D) spectral search. Fourth, the method is applicable to linear arrays, not only to uniform linear arrays (ULAs). Numerical simulations are presented to verify the efficacy of the proposed method.
ER -