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A novel ultrasonic array signal processing scheme for wind measurement. 2018
School of Communication Engineering, Jilin University, Renmin Street No. 5988, Changchun 130022, China; School of Mechanical Science and Engineering, Jilin University, Renmin Street No. 5988, Changchun 130022, China.
This article presents a novel ultrasonic array signal processing scheme for wind speed and wind direction measurement. Two ultrasonic array structures are illustrated and the corresponding array signal processing method is proposed. The statistical performance of proposed scheme, such as estimation variance and Cramer Rao Bound (CRB), is derived. The ambiguity problem for traditional uniform line array (ULA) structure is theoretically discussed. The hardware experiment results verify the feasibility of the proposed wind measurement method.
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