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A low complexity calibration method of gain and phase error for arrays with arbitrary geometry

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3 Author(s)
Yufeng Zhang ; Dept. of Electron. & Inf. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China ; Hong Ma ; Ping Tan

Gain and phase error calibration of array elements is important in engineering practice.In this paper , a low complexity calibration method of gain and phase error for arrays with arbitrary geometry was analysised. In the far field,using a single sourec with exact orientation, the method computs the gain and phase error according to the first column of the covariance matrix of received data without eigen value decomposition. The method can obtain the relatively gain and phase errors of each sensor and has low computational burden and high estimation precision without multidimensinal nonlinear search and an iterative procedure.The validness of the method was performed by computer simulation results on 8-element uniform circular array.

Published in:

Multimedia Technology (ICMT), 2011 International Conference on

Date of Conference:

26-28 July 2011